Litter-Robot 4 Review (We Tested It For a Month)

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Litter Robot 4 Review Feature

Our Review Process

Our reviews are based on extensive research and, when possible, hands-on testing. Each time you make a purchase through one of our independently-chosen links, we’ll receive a percentage of the proceeds. Read more about how we’re supported here.

Ratings

  • Ease of Cleaning – 10/10
  • Odor Control – 10/10
  • Appearance – 10/10
  • Construction – 10/10
  • Price – 6/10

Overall Score: 9.2/10

After a month of in-home testing, the Litter-Robot 4 has proven its worth as a high-performing, more cat-friendly improvement on the previous Litter-Robot 3.

With a larger entryway, additional sensors that make it accessible to cats of all ages and sizes, and an improved app interface that gives you real-time updates on your litter and waste drawer level, the most significant changes to the Robot’s design revolve around cat-friendliness and ease of use.

Considering that these changes solve some of the most common complaints about the older model, this release demonstrates Whisker’s commitment to innovation and meeting users’ needs.

To understand how the new Litter-Robot 4 works and whether or not it’s worth it, I spent a month testing the unit with my two cats, Wessie and Forest. I took notes on how my cats responded to the design, how well the new sensor system worked, and how effectively it sifted.

In this review, I’ll share the details on the Litter-Robot 4, including my experience and analysis of whether or not the newest automatic litter box from Litter-Robot is worth the almost-$650 price tag.

Why Should You Trust Us?

Litter Robot 4 Review Feature

Wessie, one of our product testing superstars, lounges next to the Litter-Robot 4.

Over the last three years, we’ve spent dozens of hours testing automatic litter boxes of every kind. Whether they spin, scrape, or flush, we’ve evaluated these automatic litter boxes’ performance in all key areas, including cat-friendliness, cleaning efficiency, odor control, affordability, and more. 

In order to review the Litter-Robot 4, we spent hours researching the Litter-Robot brand and their newest automatic litter box model. And because hands-on testing is essential to fully understand how any product works, we also received a beta unit and spent over three weeks trying it in-home with two feline testers.

In total, over 100 hours of research and testing went into this review. Keep reading to get the details on the Litter-Robot 4 and find out whether or not I think it’s a smart choice. 

Litter Robot 4 Video Review

Now, let’s talk about how the Litter-Robot 4 works and how it’s different from the older Litter-Robot model.

LR3 and LR4

In the Litter-Robot 4, Whisker’s introduced several improvements upon the Litter-Robot 3 (left), most of them focused on sleeker design, better ease of use, and more cat-friendliness.

Whisker (formerly known as Auto Pets) has been leading the world of automatic cat litter box innovation since 1999, when founder Brad Baxter developed the first Litter-Robot. 

This patented design had the same features we’ve come to associate with the Litter-Robot today—a rotating globe with a sifting mechanism that separates waste from clean litter and drops the clumps in a waste drawer at the bottom. 

After the original Litter-Robot, the company created several subsequent models, including the Litter-Robot 2, Litter-Robot 3 Open Air, and eventually, the Litter-Robot 3 Open Air Connect, which added Wi-Fi and app integration to the system.

The company started developing its latest design in 2018, and after four years of development, the Litter-Robot 4 was announced on May 10th, 2022. 

The Litter-Robot 4 builds upon the basic rotate-sift functionality of the original Litter-Robot and the Wi-Fi integration of the Litter-Robot 3 Connect with several cat-friendly, human-friendly improvements. 

Here’s a summary of the most significant ones.

Litter-Robot 3 Litter-Robot 4
Footprint 24.25″ x 27″ 22’’ x 27’’
Inside Globe Size 15″-17″ H (depending on litter level) x 20″ W x 20″ D 15″-17″ H (depending on litter level) x 19″ W x 18″ D
Litter Bed Size 14” x 14” 14” x 14”
Entryway Size 10.25″ x 15.25″ 15.75’’ x 15.75”
Waste Drawer Size 5.00” H x 12.50” W x 16.00” D 5.50” H x 13.50” W x 9.25” D
Unit Weight 24 lbs 24 lbs
Minimum Cat User Weight 5 lbs 3 lbs
Maximum Cat User Weight None None
Sifting System Rotating sifting system Rotating sifting system
Cat Sensor System Weight-based cat sensor Laser-based cat sensor, weight-based cat sensor
Safety Features Pinch sensor, weight-based cat sensor Pinch sensor, laser-based cat sensor
Odor Control System Carbon filter in front of waste drawer Carbon filter on top of waste drawer, option to use OdorTrap
Cycling Noise Level 35 – 45 dB 25 – 35 dB
Cycle Timer Duration 3 – 15 minutes 3 – 30 minutes
Weight Tracking in App? No Yes
Litter Level Readouts in App? No Yes
Waste Drawer Fullness Readouts in App? Only full alerts Percentage full readout plus full alerts

It’s sleeker and more open for cat comfort.

Sleek Litter-Robot 4

Two inches narrower than its predecessor, the Litter-Robot 4 is a sleeker, slightly more subtle addition to the home.

While the litter bed still measures about 14” in diameter, and the globe is roughly an inch smaller on the inside, the design of the new Litter-Robot has several notable changes from the older model. It has a larger circular opening, measuring 15” in diameter, giving your cat more room to enter than the previous model’s oblong 15.5” x 10.25” opening. 

It has a sleeker profile, measuring over 2” less in width than the Litter-Robot 3. With the buttons shifted to the top of the unit and the labels removed, the control panel takes on a sleeker, more modern appearance and no longer distracts from the space-age sleekness of the Robot’s front. 

The new Litter-Robot 4 is available in a black or white shade.

It has a new sensor system. 

With the Litter-Robot 4’s new sensor system, the unit is able to detect cats when they peek into—or step into—the box without activating the weight sensor. Combined with a pinch sensor, this makes it a safer choice for felines of all sizes.

While the previous Litter-Robot model relied on mechanical sensors, the new Litter-Robot 4 uses a combination of mechanical and laser sensors as part of what they call the OmniSense™ detection system.

With the new sensor system, the Robot is able to detect cats entering the litter box whether they’ve activated the weight sensor or not. No longer activated by cats weighing 5 lbs or more, it’s a safe option for adults and kittens alike. 

When a cat enters the litter box, regardless of weight, it will start a timer if not already cycling. If it’s already cycling, the Litter-Robot will automatically stop and ensure that the cat isn’t caught. In addition to this sensor, the mechanical pinch detection system remains in place as a final safeguard for cats who might enter a cycling Litter-Robot.

Additionally, the Robot has integrated a new DFI sensor system, which enables reporting of small changes in the waste drawer’s fullness. In the app, this translates to a percentage-based readout that tells you exactly how full the waste drawer is at any time.

The app tells you more. 

Litter Robot app

App updates have arrived for both the Litter-Robot 3 and Litter-Robot 4, but the LR4’s sensor system brings a new depth to the reporting available in the app.

On top of additional insights into the fullness of the waste drawer, the Litter-Robot 4 app gives you more information on what’s happening in the litter box and how your cat is using it. 

Perhaps the most noticeable improvement is the addition of weight readouts, which help you to identify which cat has used the litter box. You can also monitor the litter level inside of the globe, adjust the night light’s brightness level, and control all of the settings you’re used to changing in the Litter-Robot app. 

It’s engineered for better odor control. 

Odor control module

With the carbon filter moved to the bottom of the base rather than the front of the waste drawer, the LR4 does a better job of sealing in odors and keeping your home fresh.

While the previous model of the Litter-Robot featured a carbon filter set in a grated area at the front of the waste drawer, the Litter-Robot 4 places the odor filter at the bottom of the globe, sitting right above the drawer. The carbon filter is encased in a simple plastic cage that can also contain Whisker’s OdorTrap™ packets if desired. 

By sealing off the front of the drawer and positioning this odor control system overhead, the Litter-Robot 4 promises to keep waste drawer smells trapped.

It’s quieter.

Litter-Robot 4 sound level

With a cycling noise level between 25 and 40db, the Litter-Robot 4 is about as quiet as a whisper and significantly less distracting than the previous model.

With an average noise level of about 37 decibels while cycling, the new Litter-Robot 4 is about as subtle as a whisper, with most of the sound coming from the shuffling of litter rather than any motor noise. It’s, on average, 10 decibels quieter than the Litter-Robot 3, presenting a significant improvement for those who were disturbed by cycling during the night. The quieter operation may help shy cats to feel more comfortable around their new Robot as well.

Here’s my experience using the Litter-Robot 4 self-cleaning litter box.

Reading the note

The box came with a note from the company’s CEO and president. As you can see, Wessie was very enthusiastic about the new arrival.

While we normally independently purchase products for review, Litter-Robot offered a free Litter-Robot 4 beta unit for testing about a month prior to the launch, giving us the ability to try the Robot before it became available for purchase.

The delivery came wrapped in black plastic to hide the distinctive Litter-Robot packaging from view. Underneath was a large black-and-white box printed with Litter-Robot branding and the design of the new LR4. It included an introduction to the beta program and a note from Jacob Zuppke, Whisker’s president and CEO.

Inside, the Litter-Robot 4 was assembled and—almost—ready for use.

As with previous Litter-Robot models, the Litter-Robot 4 works best with a hard-clumping litter that resists humidity—this generally means that a clumping clay litter is the best choice.

Moister litter like clumping corn or cassava-based products will work as well, but there’s a greater chance that they will corrode metal components, including delicate sensors. 

Non-clumping litter won’t break the box, but it doesn’t showcase the power of the system, as well as a clumping product, would. 

I chose to use the all-natural premium clumping clay litter from Litterbox.com. This brand is owned by the creators of the Litter-Robot and offers excellent clumping performance that makes it a good match for the unit. 

The Litter-Robot 4 cycled consistently and efficiently.

Litter Robot 4 cycling

While a few small particles managed to remain in the box after a cycle, I found that the Litter-Robot 4 efficiently cycled, not leaving behind a lot of clumps, chunks, or stuck litter.

Paired with that clumping clay litter, the Litter-Robot efficiently sifted through my cat’s waste. Whether they ran automatically, were triggered by a press of the button on the top, or were initiated from the Whisker app, each cycle occurred promptly and consistently. 

I found that the Litter-Robot 4 worked well, sifting the clumps from clean litter without a lot of residue or sticking. Unlike other automatic litter boxes that use a raking mechanism to remove waste, the Litter-Robot’s rotating, sifting mechanism doesn’t tend to jam, and there’s not a lot of accumulation. 

The waste drawer filled evenly, with most of the waste dropping to the center rather than building up on the side.

Though it is slightly smaller than the waste drawer of the previous model, the Litter-Robot 4’s drawer contains waste more evenly and might last slightly longer.

The waste drawer of the Litter-Robot 4 is slightly smaller than that of the Litter-Robot 3, but waste tends to collect in it more evenly compared to that of the older model, and Litter-Robot recommends that you change it out once a week with one cat and twice a week with two cats.

Thanks to the sensor that detects when the waste drawer is full, a blinking blue light panel on top of the unit and a notification from the Whisker app will let you know when it’s time to empty it out. 

I found that, compared to the previous model, the sensor was much more sensitive, and the waste tray filled up all the way to the top before any notification appeared. 

It controlled odors well.

With its filter positioned just above the waste drawer, I found that the Litter-Robot 4 did a good job of controlling odors. I didn’t notice any litter box odor until I opened up the drawer. Otherwise, the smells were completely contained. 

I didn’t notice a lot of tracking or scatter, but the optional (included) fence can help.

litter scatter guard

The Litter-Robot 4 comes with a plastic fence intended to help contain scatter.

With only my smaller, more delicate cat, Forest, using the Litter-Robot 4, there wasn’t a lot of scatter or tracking around the unit. She tends to cover lightly and jump straight out, so she naturally didn’t throw much litter out, even with the larger opening. 

The Robot’s step, with its ridged rubber mat, helps to contain any litter that’s tossed over the entryway, and I found that it managed to contain most of the granules that came out. 

If you want some additional protection against scattering, the included Litter-Robot shield may help. I clipped it onto the front to see how it looked and worked, but I didn’t think my cats needed it and used the Robot without it for most of the trial. 

What Did The Cats Think?

Forest in LR4

Forest refused to be photographed while using the Litter-Robot 4, but she’s a big fan of private moments in the Robot. She’s been using the Litter-Robot 3 since 2018 and readily took to the new model.

Only my smaller cat, Forest, was willing to use the Litter-Robot 4, while my larger cat preferred to use his regular open box. He’s not a fan of enclosed boxes in general, and he’s never been comfortable in the Litter-Robot, regardless of model. 

With its open front, the design of the Litter-Robot 4 is more cat-friendly than the previous model, but it’s not perfect. The litter bed’s 14” diameter is still small, and the interior of the globe doesn’t provide much space for larger cats or any cat who doesn’t like feeling confined. 

Most cats will prefer to use a basic open pan, but those like Forest—cats who don’t mind enclosed spaces and love having a perfectly-cleaned litter box at all times—may appreciate the constant clean of the Litter-Robot 4.

Using The Whisker App With The Litter-Robot 4

whisker app litter-robot 4

Now offering weight readouts in addition to use tracking, the Litter-Robot 4’s integration with the Whisker app gives you more information on your cat’s health and habits.

Drawing on the strength of the updated sensor system, the Whisker app provides additional insights into both your cat’s activity and the status of the box. The main screen shows you how much litter is in the box, how much waste is in the drawer, and how frequently your cats have been using the box. The weight readout tells you the latest measurement so you can assess your cat’s size over time.

Additionally, the app gives you all the basic controls you need, like the ability to start a cycle remotely, adjust the night light, lock the on-unit controls, and change the cycle interval between 3 and 30 minutes. 

Overall, I found that the updated app was far more functional, consistent, and easy to use than the older version. 

How Much Does The Litter-Robot 4 Cost?

The Litter-Robot 4 is available for preorder through the Litter-Robot website, and it costs $649—that’s $100 more than the older Litter-Robot. Units start shipping out in July of 2022. 

Overall, Is The Litter-Robot 4 Self-cleaning Litter Box Worth It?

For $649, the Litter-Robot 4 appears to offer the most advanced automatic litter box technology on the market, and the sensor upgrades, more open entrance, and superior odor control seem to make it a worthwhile upgrade from the Litter-Robot 3. 

No automatic litter box is going to be the right choice for everyone, and if you balk at the idea of such an expensive device, I wouldn’t blame you. The vast majority of cats are happier in a well-scooped regular litter box, and for most of us, the time gained from scoopless days doesn’t add up to a nearly-$650-dollar benefit.

However, the investment could be worth it for some. If you can’t bring yourself to scoop daily, spend a lot of time away from home, or struggle with mobility, the Litter-Robot could be a good option. And considering the upgrades from the previous model, the new and improved LR4 is likely the best choice for 2022.

Click here to Order the Litter-Robot 4 through the Litter-Robot website. 

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About Mallory Crusta

Mallory is the Head of Content at Cats.com and an NAVC-certified Pet Nutrition Coach. Having produced and managed multimedia content across several pet-related domains, Mallory is dedicated to ensuring that the information on Cats.com is accurate, clear, and engaging. When she’s not reviewing pet products or editing content, Mallory enjoys skiing, hiking, and trying out new recipes in the kitchen. She has two cats, Wessie and Forest.

27 thoughts on “Litter-Robot 4 Review (We Tested It For a Month)

  1. María J Correa

    I recently saw the video on YouTube of the reviews of the new little robot 4
    My question is how does the new little robot work with cat urine? because my cats pee on the walls of their closed litter box that they use today and I have to clean it daily

    Reply
    1. Cole S

      This is my question too. The smaller cat pees on the walls – how does the Litter Robot handle that?

      Reply
      1. small mallory photoMallory Crusta Post author

        Hey Cole, you might notice more sticking in this case, because the urine is hitting the walls before the litter itself, making it more difficult for it to clump up properly and separate from the surface. And if your cat faces their bum out the front door, well, you’ll have a lot of waste hitting the step and floor in front of the unit.

        Reply
  2. TANYA PAYNE

    I REALLY WANT TO BE ABLE TO GET THIS WISKER LITTER ROBOT 4 TO TRY FOR MY MOST ADORABLE AND PRECIOUS LITTLE KITTY BABY GIRL CAMMIE SNUGGLIES SNUGGLEBUNNY LEE PAYNE FOR FREE SO I CAN CHECK IT OUT FOR FREE TO SEE IF SHE WILL LOVE THIS AND SO I CAN GIVE THE MOST EXCELLENT REVIEW FOR IT RIGHT AWAY PLEASE PRETTY PLEASE SOMEONE CONTACT ME RIGHT AWAY FOR ME TO TRY THIS PRODUCT FOR FREE RIGHT AWAY TO SEE IF MY LITTLE KITTY BABY GIRL CAMMIE WILL LOVE THIS AND SO I CAN GIVE THE MOST EXCELLENT REVIEW FOR THIS PRODUCT RIGHT AWAY PLEASE PRETTY PLEASE

    Reply
    1. small mallory photoMallory Crusta Post author

      Hi Tanya, I’m afraid you’ll probably have to purchase the Litter-Robot 4 like just about everyone else at this point! Wishing you and Baby Girl Cammie Snugglies Snugglebunny Lee Payne all the best.

      Reply
  3. Ashley

    My cat, Loki (he’s one year now!), grew up with the Litter Robot 3. I have been preaching about LR3 for YEARS because of how important litter box husbandry is. Do you think it’s worth upgrading from the LR3 to the LR4? He’s a big boy (~12lbs) and I feel like the larger opening would make things easier for him, but I’m not entirely sure if it’s worth it or if I should wait.

    Reply
    1. small mallory photoMallory Crusta Post author

      Ashley, I don’t know if I’d upgrade right away. If there’s no issue with your LR3, I don’t see any urgent need to upgrade. The wider opening is a little more comfortable, but I’m not convinced that it’s a “run out and buy it now” level of difference.

      Reply
  4. s nelson

    How does the space inside compare to the Litter Robot 2? I have very large kitties and the Littler Robot 2 works well, but improvements you mention for the Little Robot 4 are desirable so long as the inside space is big enough to accommodate them.

    Reply
    1. small mallory photoMallory Crusta Post author

      It’s a good bit bigger than the interior of the Litter-Robot 2, especially if you have the original version (not the Litter-Robot 2 Bubble), but it’s smaller on the inside than the LR3. The LR2 has 13 to 15 inches of headroom and is 20 inches wide by 15 inches deep on the inside of the globe, while the Litter-Robot 3 gives your cat 15-17″ of headroom and is 20″ deep by 20″ wide. And then the Litter-Robot 4 reduces interior space, with the same 15-17″ of headroom and measuring 19″ wide by 18″ deep. So, disappointingly, the newest model really doesn’t give your cat more space on the inside, just in that doorway.

      Reply
  5. Anna

    Hey, I had the litter robot 3 and the only problem I had was with deep cleaning. Container got shifted litter was extremely hard to clean, and in fact you had to dissemble it to really clean it. Is there any change in litter robot 4?

    Reply
    1. small mallory photoMallory Crusta Post author

      No, the cleaning process is almost identical, but I do find that the Litter-Robot 4 bonnet is ever-so-slightly more awkward to put back on after you’ve cleaned it.

      Reply
  6. Tommy

    How often do you have to refill the litter chamber? I just wonder how long this will last without refilling or doing anything. We do travel a bunch during the holidays and around the year, and thinking this may be a good option.

    Reply
    1. small mallory photoMallory Crusta Post author

      Hi Tommy, the litter bed itself will stay fresh for about a month, but you’ll have to empty the waste drawer about once every 7-10 days for one cat, and more frequently if you have more than one cat in the home.

      Reply
  7. Mark Delgrosso

    I did not see any comments about the quality of craftsmanship. The bonnet on mine has gaps all around it. Litter fills up the inside of my bevel on the bottom. Because the bezel is not flush to the unit, litter leaks out onto my step. It’s pricey and the build quality is bad. I love everything else about it!

    Reply
    1. small mallory photoMallory Crusta Post author

      That’s not good. Are you sure that the bonnet was put on correctly? I haven’t noticed this issue, so perhaps you were given a bad unit. I would contact support ASAP.

      Reply
  8. Tammy C

    I just started using my LR4 and, for the most part, am happy with my purchase. My cat took to it pretty quickly, less than 12 hours, which is great. The only issue I have with it is that, from the first cleaning cycle that occured with the first start up, the hood pops open at the top. I am concerned with why it pops and how it will impact the unit down the road.

    Reply
  9. Tammy Crabb

    I just started using my LR4 and, for the most part, am happy with my purchase. My cat took to it pretty quickly, less than 12 hours, which is great. The only issue I have with it is that, from the first cleaning cycle that occured with the first start up, the hood pops open at the top. I am concerned with why it pops and how it will impact the unit down the road.

    Reply
    1. small mallory photoMallory Crusta Post author

      Hmm, that is troubling and suggests poor build quality—are you sure that it’s seated correctly? If so, I would contact support (though they haven’t been very responsive recently) and see if you can get some help with that.

      Reply
  10. Mary and Andrew Ford

    We have had 3 liter robot 3’s…now vested in a liter robot in august 2022…after a month it stopped rotating …did all trouble shooting..got call support…ended up sending the “brain” back and a new brain was sent to us. I noticed when returning the 4 brain that was malfunctioned and cleaning it to be shipped back….there was a significant amount of urine settled behind tray in …would have thought the rubber bladder collects all this…didn’t look normal at all….We have received the new 4 ‘brain” and working ok…but after a month was cleaning it…and wanting to check if same urine problem existed. it Did!!…and much more this time. It took a 2 dishtowels to soak up sitting urine….this is not right….my cats are completely in unit….. At present it is still working…but I did call customer support with NO help…stated my cats were probably not in unit when peeing.. For 700 dollars I expected more….am just afraid soon this one will stop working…and my 90 days will be not valid

    Reply
        1. small mallory photoMallory Crusta Post author

          I’m sorry to disappoint. As a reviewer, I appreciate you sharing this experience and will keep it in mind when writing any updates or reviewing Whisker products in the future, but I’m not sure that there’s much I can do beyond thanking you. If you’d like more, I’d advise that you contact the company again and ask for more support, though I understand that you haven’t received a response to your most recent inquiry. It’s just a difficult situation all around, but truly, there’s not much more I can do to make this hurt any less.

          Reply
    1. PAMELA LONGLEY

      How long did it take you to get anyone at customer support to respond. This is clearly a known problem and I am getting no where with anyone responding. To put it lightly, I am pissed off.

      Reply
  11. PAMELA LONGLEY

    I could not be more disappointed. I had the 4 less than 2 months and it stopped cycling and will not reset. I have a customer support ticket open and am getting nowhere. They said they would send me a replacement. Instead of receiving a replacement – I only received a new power adapter. Seriously WTF?!!! I cannot explain the level of disappointment. It seems impossible to get to speak with a human over the phone at Whisker, which is beyond unacceptable. I spent $700 on an automatic litter box that only worked 2 months and the app for it NEVER worked properly. 3 weeks ago I received a message that Whisker was aware that a product update download and working on it. – Now the box doesn’t work at all. I have sat on hold to speak with a customer service rep for over 20 minutes so far waiting to speak with someone. I honestly feel ripped off at this point. Case # is 01076458. It should not take this long to be made whole for a product that is not working. I don’t want more emails. I want to speak with a customer service rep who is making this right now.

    Reply
  12. Lyn

    I’d like to purchase this little robot 4 but I have a scratcher. My cat cleans and scratches for 5 minutes after she uses her box. How was that affect the litter robot 4?

    Reply
    1. small mallory photoMallory Crusta Post author

      I’ve heard some reports saying that the liner can tear if vigorously scratched for an extended period of time, but I’ve not personally witnessed this and know of many users who’ve gotten years of life without any issues. It’s hard to say exactly what will happen, but I wouldn’t be too concerned about damage to the liner. It’s extremely thick and rugged, in my experience.

      Reply
  13. Steve Dixon

    The Litter Robot 4
    Designed by Dog owners. Tested by humans. Intended for Cats.
    Things I have learned while owning my Litter Robot 4.
    Getting it out of the box it came in was a chore. The hood kept popping loose. I would think the hood would be better connected to the rim. My very first impression was how cheap it seemed that the hood wasn’t firmly connected to the rest of the machine. I had the sinking feeling that I had just spent $700 on a piece of cheap plastic.
    After unpacking the Robot and placing it near the old litter box, I started to use the android app. The very first thing the app asks for is for me to scan the Q code. I thought, ‘Well, this sucks. The code is on the back of the Robot and at the bottom. Now I have to turn it around, tilt it up with one hand and try to scan the code with my other hand. Whose bright idea was it to put the Q code in the most inaccessible location?’ I finally gave up and just scanned the code on the box it came in.
    I buy litter in a box so filling the Robot from the box was a no-go. The box was too big to fit into the opening of the Robot. I had to find a scoop and cut open the whole top of the box the litter came in and scoop the litter into the Robot. I guess the Robot designers think everyone buys litter in a small 5-pound bag.
    So, the Robot is in place, the app is set up and it has the right amount of litter. I put a small amount of litter from the old box into the Robot so the cats would get the idea that this is another place/new place for them to go. Now the cats, being cats, begin to investigate this new thing in their world.
    My younger cat (just a few months old) seems to be having fun jumping in and out of the Robot. This causes the Robot to go nuts because its sensors keep detecting an interruption. So, I spend half the day pressing the Reset button on the cowling of the Robot. Of course, this would have been MUCH easier if the app had a Reset button. But hey, I guess the designers were dog owners.
    Both cats easily adapted to using the Robot. However, like before, they were fascinated by the motion and no matter which setting I put the Robot on, they kept interrupting the cycle. I spend a lot of my time getting up, walking over to the Robot and pressing the Reset button over and over again to get it to the proper setting.
    I actually caught both my cats looking at the Robot, then one would go in and use it, then jump out and they both waited for it to cycle, and then they put their paws on the step and stuck their heads inside. Again, causing an interrupt. This happened every single time they used the Robot. It seemed like they were playing a game with the Robot. Jump in, poop or pee, jump out, wait for it to move then stick their head inside and it stops. Wow! What fun!
    This would not have been a big deal if the idiots that designed the app had put a reset button on the app. But nooooo. I had to get up every five minutes, walk over to the Robot and press the Reset button repeatedly to get it back to the proper position. Now I’m beginning to think that I just got scammed into spending a ton of money on a cat toy.
    At this point, I should probably point out that I’m a Senior with mobility problems so walking is difficult. Getting up every time my cats interrupt the Robot’s cleaning cycle is a real pain. Literally. It hurts when I walk so it is a literal pain to have to constantly have to get up and go press the Reset button on the Robot. Boy, the simple solution would have been to just put a damn Reset button on the app. But I guess the geniuses that designed the Robot are dog owners.
    About the only thing good about the Litter Robot 4 so far is that I only have to empty the bag that traps the waste instead of scooping my old box. Which is better. I guess. But I only scooped the old box once a day. Now I have to get up and walk over to the Robot every 5-10 minutes and press the Reset button. And, I’m out $700 bucks.
    Time will tell if my cats loose interest in the movement of the Robot and stop interrupting the cleaning cycle. If that happens, I can see where the Robot could work as advertised. And boy do they advertise. Looks like most of that $700 cost is spent on advertising.
    I’m no design engineer. I’m just an old hippie with mobility problems and two cats that I love. The concept of a self-cleaning litter box is great. It’s just too bad that this one wasn’t designed and tested by cat owners. There is a very obvious problem with the sensors and how they control the Robot. The sensors are WAY too sensitive. And the reset function should reset the cycle to its default position with one press of the button. Not multiple presses of the button.
    It’s painfully obvious that there should be a reset button on the android app. An even better solution would be to replicate the five buttons on the Robot cowling in the app. All the other info the app provides is cool, but it lacks true functionality that could help the user. The app is basically all sizzle and no steak.
    Maybe it would help if I understood exactly how the Robot worked. Like where exactly are the sensors? On the step or inside the Robot? If the sensors are on the step, that’s a stupid place because the cats can interrupt the cycle just by putting their paws on the step to see what’s happening. If the sensors are inside the Robot, then they should only activate if a cat is detected for a longer period of time. That would eliminate the ‘curious cat’ cycle interruptions.
    If the sensors are in both the step and inside the Robot, then the sensors on the step should only be for detecting the cat’s weight and have nothing to do with the actual cleaning cycle. If the purpose of the ‘interrupt’ in the cycle is to prevent injury to the cat, that’s silly because I assure you that as soon as the Robot starts turning they will jump out. A cat would never just sit there and take a ride. A dog might, but never a cat.
    Speaking of the Reset function, it should perform a COMPLETE reset with one push of the button. Every time I have had to use the Reset button, I had to press it multiple times to get it back to its starting position. Why? One would think that a Reset button would actually re-set the Robot to its starting position. Not to mention that when I have to use the Reset button, my cats come running to watch the Robot do its thing. This often causes another interruption, which requires another press of the Reset button. It’s a vicious cycle.
    Overall, I’d have to say the advertising for the Litter Robot presents you with a fairy tale. The manufacturer wants you to think that you just plop this thing on the floor and magically your cats will use it the way the designers intended. This is false advertising and anyone that buys one of these things will probably agree that it was designed by dog owners, tested by humans and intended for cats. That’s a scary thought.
    All of this is too bad since a good, well thought-out self-cleaning letter box would be a great invention for both cats and cat owners. You would think that if humans could work out how to go to the moon and back safely, we could crack the self-cleaning litter box dilemma. Too bad cat owners can’t design, build and test one using their own cats. I’m sure that together, they could figure it out.
    Whiskers Support tried to update the firmware in my Robot to reduce the false interrupt problems but they couldn’t do it remotely. So, they are shipping me a new base which I will have to install myself. Can’t wait for that journey. We’ll see if I can do it and how difficult it will be. Then there’s the whole process of boxing up the old base and dealing with a FedEx pickup. Oh joy.

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