10 Best Robotic Litter Boxes 2026 in the United States

The Litter-Robot 3 Connect is a large, self-cleaning litter box designed to make cat care easier by automatically sifting waste into a drawer you only need to empty occasionally. It fits well for households with up to four cats, each weighing at least 5 pounds. The box uses a patented sifting system that works with almost any clumping litter, which adds flexibility if you prefer a specific brand. Its size is substantial, so make sure you have enough space for the roughly 24 x 27 x 29.5-inch footprint.

One of its strengths is odor control: the automatic cleaning cycle combined with a carbon filter helps reduce unpleasant smells better than standard litter boxes. The convenience is further enhanced with a smartphone app that alerts you when the waste drawer is full and lets you monitor your cat’s litter box visits, which could be useful for tracking your pet’s health. The product runs on power and requires a good placement — it should not be pushed against walls to work properly.

On the downside, the unit is relatively heavy at 24 pounds, which might make moving or cleaning it a bit challenging. While it’s designed to be easy to clean since it manages waste automatically, occasional manual cleaning of the waste drawer and the unit’s interior is still necessary. Also, the initial investment is higher compared to regular litter boxes, but it comes with a one-year warranty and the option for extended coverage. If you want to reduce daily scooping and manage odors effectively and don’t mind the size and weight, the Litter-Robot 3 Connect offers a smart, user-friendly solution for busy cat owners with multiple cats.

The Litter-Robot 4 Supply & Accessory Bundle by Whisker is a well-designed automated litter box that suits households with up to four cats. Its size is medium (27 x 24.25 x 29.5 inches), which fits comfortably in most indoor spaces. The standout feature is its self-cleaning mechanism, which uses a patented sifting process to separate waste automatically, meaning you won’t need to scoop manually. This is great for saving time and avoiding mess. The unit supports any clumping litter, giving you flexibility in your choice of litter.

Odor control is thoughtfully handled through included OdorTrap packs and carbon filters, along with a mat and ramp that help reduce litter tracking around the house. This keeps the surrounding area cleaner and fresher-smelling. Monitoring and control are possible via the Whisker app, which lets you check waste levels, litter status, and even track your cat’s weight—a useful health feature.

The product is safe for cats weighing as little as 3 pounds, but it requires a firm surface for accurate weight sensing. Cleaning the unit is made easier with included liners and wipes, although the initial size and weight (24 pounds) may require some effort when setting up or moving. Power is electric, so it needs to be near an outlet. While the bundle is a bit of an investment, it comes with a one-year warranty and an option for extended coverage, showing confidence in durability. This litter box is a smart, low-maintenance solution that helps manage multiple cats and reduces odors and mess.

The Fumoi Self Cleaning Litter Box is designed with several user-friendly features that make it a strong contender for cat owners looking for an automated solution. Its large 95L capacity accommodates multiple cats, making it suitable for households with more than one feline. The unit is equipped with advanced safety sensors that pause the cleaning cycle when a cat is detected, ensuring the safety of your pets.

Additionally, the smart app control via the Tuya Smart APP provides convenience for remote management, including auto-cleaning, waste disposal, and health tracking, though it only supports 2.4G Wi-Fi, which might be a limitation for some users. The litter box operates quietly, ensuring minimal disturbance, and is compatible with a variety of litter types, adding to its versatility.

Its easy-to-clean design, with a removable waterproof liner, and effective odor control are significant advantages for maintaining a fresh environment. However, the unit is quite heavy at 30.6 pounds, which could be cumbersome for some users to move or position. While the 15L waste bin is practical for extended periods, ensuring it doesn't overflow during long trips is essential. The Fumoi Self Cleaning Litter Box offers a blend of safety, convenience, and capacity, making it a viable option for multi-cat households, though its weight and Wi-Fi constraints should be considered.