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.
- Litter Cleaning – 4/10
- Odor Control – 4/10
- Noisiness – 10/10
- Reliability – 3/10
- Price – 4/10
Overall Score: 5/10
ChillX AutoEgg Self-Cleaning Litter Box Review Video
We first became aware of the ChillX AutoEgg after receiving numerous requests that we review it, both here and on the All About Cats YouTube channel. This new entrant to the automatic litter box market is a stylish egg-shaped litter box that is marketed as a safe, quiet, and stylish alternative to other self-cleaning boxes.
The ChillX AutoEgg automatic litter box is equipped with a raking mechanism for cleanup—similar to the cleaning mechanism seen on the Litter Maid and PetSafe ScoopFree—and includes a health monitoring system for your cat.
Between these features, the ChillX AutoEgg promises to make litter box maintenance more convenient while helping you keep tabs on your cat’s litter box activity.
Unboxing And Assembly
The ChillX comes in a large box with all the parts needed to assemble. The litter box itself comes in two pieces and you’ll have to put everything together. Also included in the box is a scooper, a roll of biodegradable waste, receptible liners as well as a start-up guide to help with assembly and operation.
The two pieces of this litter box include the base with the motor and rake mechanism, along with the top cover portion, which is designed to snap onto the base.
When assembling the litter box base, the rake mechanism came displaced, so I had to adjust it to get it properly aligned. This is explained in the instructions as something that regularly occurs during shipping.
After attaching the tray and putting a liner into the waste drawer, it became obvious that the pieces of this little box came together loosely.
In no place was this more apparent than when putting the lid onto the AutoEgg.
In theory, putting on the cover is simple enough. You need to seat the lid at the back of the unit and gently squeeze the sides of the lid to get it centered on the base.
But in reality? It’s not that simple. Every attempt to put on the lid was a struggle. And during the weeks of testing, putting on the cover never got easier.
After referring to the instructions, reading several reviews, and asking others to try to put the lid on, I concluded that this wasn’t just my issue—just about everyone is struggling to get that cover on. I also contacted the company about this issue and they said that they were aware of the problem and that they intend to release an updated model that corrects the lid placement issue.
How Big Is The ChillX AutoEgg?
Once the ChillX AutoEgg was fully assembled, it measured 30 inches long, 19 inches wide, and 17 inches high. This is fairly small when compared to other automatic litter boxes. Its small dimensions are also apparent when you measure the litter bed, which is only 11.5 by 13 inches.
Also, the entrance to the AutoEgg measures just 7 1/2 inches in height, which may be a tight squeeze for adult cats.
What Type Of Litter Does The ChillX AutoEgg Require?
Like most automatic litter boxes, the ChillX AutoEgg is intended for use with clumping cat litter. The company advises against using silica crystals, pellet, tofu, wheat, and corn litter to fill the tray. Again, like most automatic litter boxes, it works best with hard-clumping clay cat litter.
Once the AutoEgg is filled with litter and plugged in, it’s time to turn it on.
As soon as the AutoEgg turns on, you will see the display screen which displays a log of your cat’s usage. This display shows details including when your cat used the litter box, how much they deposited, and how much your cat weighed at the time of use.
This display screen will also track and alert you if your cat deposits less than 5 grams, indicating potential problems, including urinary tract disease or constipation.
How Does The ChillX AutoEgg Work?
Once everything was set and ready to go, I placed the AutoEgg, without the top, next to my cats’ regular litter box, allowing them to explore it and eventually use the box. Fortunately, my cats started using it right away, allowing me to see how it works firsthand.
The AutoEgg has 4 weight sensors, which allow it to detect when a cat weighing at least 4.4 pounds enters the litter box.
Five minutes after the cat exits the litter box, it initiates a raking cycle. The rake moves very slowly across the litter bed, taking about 5 minutes to complete a cycle. Once it picks up waste, it carries it into the waste receptacle.
In addition to these cat-triggered cycles, the AutoEgg runs 4 automatic cycles at 3 AM and 9 AM, and again at 3 PM and 9 PM to ensure a cleaner litter box for your cat.
The cleaning process is similar to other popular self-cleaning litter boxes. It includes both a 70-degree cleaning rake and a zigzag litter tray, which ChillX promises will allow the unit to pick up smaller bits of waste.
The ChillX AutoEgg’s slow movement is very quiet. Unlike other automatic litter boxes that whirr, clank, and grind, it makes quiet creaking and shuffling noises as it cycles.
This slow movement may also help to make the ChillX AutoEgg safer.
In addition to its slow and steady raking, the ChillX AutoEgg has an auto-stop feature—they call it Cat-Stuck Prevention—that halts a cycle when a cat is detected in or around the box.
This ultra-sensitive system will detect anything weighing more than a pound—including something as subtle as the pressure of a paw on the tracking step—and trigger an emergency stop. Once weight is detected, the unit will pause the cycle for a period of 5 minutes, helping to ensure that the coast is clear and it’s safe to resume.
But, like so many other automatic litter boxes, the ChillX AutoEgg doesn’t deliver the thorough clean it promises.
Unfortunately, the raking is not very thorough and tends to leave crumbled waste sitting in the litter box. I never saw the ChillX AutoEgg complete a cycle that left the litter box completely clean. While it did manage to pick up larger clumps, the rake left more behind than would any human cleaner.
In addition to leaving some waste behind, I noticed that pieces of litter and waste had stuck along which the rake moves, as well as other areas that the rake couldn’t reach. This type of accumulation means that you’ll regularly have to take the entire unit apart for deep cleaning.
During my second week with the ChillX AutoEgg, it encountered a malfunction. Halfway through a cycle, the AutoEgg rake stopped moving completely. I had to unplug and reset the unit to get it back to its starting position.
Deep-cleaning The ChillX AutoEgg Was Relatively Easy.
Because significant amounts of litter and waste drop down along the sides of the litter tray and accumulate around the box, the ChillX AutoEgg tends to get dirty in ways that the rake can’t resolve.
About once a week, you’ll have to take the unit apart and clean up all of those parts. This is a more frequent deep-cleaning routine than you’ll encounter with other automatic litter boxes, which detracts from the convenience of having an automatic litter box.
It is recommended that you change out the waste receptacle every three days to one week, for one cat. This is done by pulling the tray out from the back of the litter box and removing the bag with the waste in it which is a pretty clean and easy process. During this time, it is ideal to also do some regular maintenance by removing the litter tray and cleaning it and around it.
Scatter And Tracking
While litter definitely built up around the litter box, it managed to stay inside the tray and there was very little tracking onto the floor around the AutoEgg.
The AutoEgg’s cellular tracking step captures litter on your cat’s paws as they exit the unit, helping to prevent litter from escaping the litter bed.
And besides the benefits of the AutoEgg’s litter-catching step, the lid of the unit provided even more defense against litter tracking and scatter. Compared to most of the other automatic—and non-automatic—litter boxes I’ve tried, this one did an outstanding job of controlling both scatter and tracking.
How Well Did The Health Monitoring System Work?
When I started researching the ChillX AutoEgg, I was excited to see what its health monitoring system could do. As you guys know, monitoring your cat’s litter box activity is a vital part of keeping tabs on their health. Particularly after my experience with the Toletta litter system, I know how useful this kind of built-in litter box monitoring system can be.
While the health monitoring system is a great concept, its execution was imperfect.
Over the testing period, the AutoEgg’s usage tracker did a few useful things. It helped me to get a better understanding of my cats’ weight and how often they were using the litter box. It helped me to understand which of my cats were using the box more often. For example, Forest used it when the lid was on, while Wessie steered clear of the enclosed egg.
But the positioning of the screen significantly detracted from its usefulness.
The ChillX AutoEgg’s screen is positioned on the side of the tray, which is covered by the lid when the unit is fully assembled. This makes it virtually impossible to evaluate readings when the litter box is put together.
Positioning the LCD in a different location or connecting it to a smartphone app would make it much more helpful.
How Much Does The AutoEgg Cost?
The ChillX AutoEgg costs $399 on their website. The biodegradable drawer liners are also available for purchase on their website for $39 for a 160-bag supply, which should last you for over 2 years if you have one cat. Especially considering that you can also use plastic grocery bags instead of the biodegradable liners, the AutoEgg has fewer recurring costs than other automatic litter boxes.
That said, that $399 price tag seems excessive given the device’s shaky construction and unreliable performance.
Is The AutoEgg Worth It?
The ChillX AutoEgg’s biggest asset is probably its good looks.
Once it’s assembled, this egg-shaped unit is probably the most stylish litter box on the market. But other than its sleek appearance, scatter control, and the concept of a use-tracking litter box, I couldn’t find much to like about the AutoEgg. Sure, it’s sometimes more convenient than a traditional box, but compared to other automatic cleaners, it’s not the strongest.
Its cycling wasn’t particularly thorough or consistent, and because it had so many crevices and openings, waste tended to get stuck.
And while the health monitoring system was helpful, it’s not perfect. When you’re only able to access one week of logs and can only view the screen after taking off the lid, the benefits are limited.
For a litter box of this price, I’d expect more consistent performance and robust construction.
The ChillX team says that they’re working on an updated version of the ChillX AutoEgg, which should resolve the issues with the difficulty putting on the lid. It’s unclear if the updated Egg will also offer more sturdy construction and thorough cleaning.
In conclusion, as much as I love the idea of a self-cleaning litter box with a health tracker, the ChillX AutoEgg just didn’t meet our performance standards. We’re looking forward to trying out the next version of the AutoEgg once it’s available.