10 Best Cat Litter Boxes 2025 in the United States

The Litter-Robot 4 Supply Bundle by Whisker is a self-cleaning, automatic litter box designed to make cat care easier and cleaner. It measures 27 by 24.25 inches in footprint and stands about 29.5 inches tall, making it a medium-sized unit that works well for most indoor cats. Made from durable plastic and fully covered, it keeps litter mess and odors contained better than open boxes. Its main strength lies in the automated sifting process that separates waste from clean litter, so you don't have to scoop daily—just empty the drawer when it’s full. This feature is especially helpful for busy households or those with multiple cats, as the box supports up to four cats weighing at least 3 pounds each.

The WiFi-enabled control through the Whisker app is a modern plus, letting you monitor litter and waste levels remotely, track your cat’s weight, and see activity patterns, which can be useful for health monitoring. Odor control gets a boost with included OdorTrap refills and carbon filters, which help reduce smells significantly compared to regular litter boxes. However, the box is fairly tall and weighs 24 pounds, which might make placement or moving it around a bit challenging in smaller spaces. The automatic system works best on firm, flat surfaces, so it may not perform as well on carpet. Also, it requires clumping litter to function properly.

This litter box is well suited for cat owners looking for a hands-off, tech-friendly solution to litter maintenance and odor control, particularly those with multiple cats or who appreciate smart home features.

The PetSafe Legacy ScoopFree Crystal Pro is a front-entry, self-cleaning cat litter box designed to make litter maintenance easier. Its dimensions (27.6" L x 19.1" W x 16" H) provide enough space for most cats, accommodating all sizes. Made from durable plastic, it includes a hood for privacy and odor control. The standout feature is its automatic cleaning system, which uses motion sensors to rake waste into a sealed disposable tray, cutting down on daily scooping. The crystal litter absorbs liquids and dries solid waste to reduce odors and mess, with low tracking crystals that help keep your home clean. The disposable trays simplify maintenance but mean you’ll need to replace them periodically, which could add to ongoing costs.

Another helpful feature is the built-in health counter that tracks your cat’s litter box usage, alerting you to changes that might suggest health issues. While the box is designed to contain odors well and minimize cleaning effort, some users might find the initial setup and dependent supply of crystal litter and trays a bit pricey. Also, the front-entry design works well for most cats but may not suit cats who prefer top-entry or have mobility challenges.

This litter box suits cat owners seeking a convenient, low-maintenance option with health monitoring, especially for indoor cats who adapt well to crystal litter. Potential buyers should consider the cost and need for regular tray replacements when deciding if this product meets their needs.

This upgraded self-cleaning litter box is designed with multiple cats in mind, offering a large open-top design and raised step to help cats get in and out easily, while also trapping scattered litter. Its sizable waste bin reduces how often you need to empty it, which is great if you have more than one cat or are away for a few days. Made of plastic, it’s lightweight yet durable, and the open-top style means it might feel more natural to cats who dislike enclosed boxes. The device operates quietly, making it suitable for bedrooms or quiet spaces without disturbing your home’s peace.

One of its standout features is smart app control — you can track cleaning cycles, monitor your cat’s usage, and even keep an eye on their health habits remotely, which adds convenience and peace of mind. Advanced safety features like infrared sensors and anti-pinch technology ensure your cat is safe during cleaning cycles, automatically pausing if the cat enters the box. Odor control is handled well by a sealed design that locks smells in, helping maintain a fresh environment.

On the downside, the litter box does not have a lid, which may allow some odors or mess to escape, and the open-top may not suit cats who prefer privacy. Because it’s an automatic system, it relies on power and some technology familiarity, which might not be ideal for all cat owners. This product is well suited for cat owners seeking a tech-friendly, low-maintenance litter solution that safely and quietly accommodates multiple cats while also assisting with odor control and health monitoring.