What are the quietest cat litter boxes available?

The Litter-Robot 5 Pro is a self-cleaning, AI-enabled automatic litter box with dual cameras, WasteID™ smart odor control, a large sealed waste drawer that can hold up to 10 days of waste for one cat, and a full-color LCD. It supports multiple cats (up to 5) and cats from 3-30 lbs, and is designed for tech-forward owners who want automated maintenance and monitoring.

A gravity-based self-cleaning litter box with an internal sifting grill and a pull-out waste tray; roll the unit onto its top to separate clumps into the tray, then remove the tray to dispose of waste. It's lightweight and simple to use, suited for single- or multi-cat households that want a non-electric self-cleaning option.

The Litter-Robot 4 is a Wi‑Fi enabled, self‑cleaning, multi‑cat automatic litter box with a whisper‑quiet cleaning cycle, enlarged waste drawer, and real‑time monitoring via the Whisker app. It features OmniSense detection and an optional OdorTrap system for improved odor control, making it suitable for busy households that want minimal scooping and reduced smells.

The CatGenie is a self-washing, self-flushing litter box that scoops solids, washes with a vet-approved SaniSolution, flushes waste to drain/toilet, and warm-air dries the granules. It requires a cold water supply, drain or toilet connection, power, and (for the A.I. model) Wi-Fi; it suits owners who want a near hands-off, fully automated waste system.

The CatGenie S200 (A.I. version listed on official sites) is a fully self-washing, self-flushing litter system that uses washable granules and vet-approved SaniSolution to scoop, wash, dry and flush waste. It requires a cold water hookup, a drain or toilet connection and electricity, and suits owners wanting an automated, hands-free waste removal system.

Enclosed 60 L automatic litter box with a rotating/drum self-cleaning mechanism, app integration for health and usage tracking, multiple safety sensors, and an integrated deodorizer and stepped mat to reduce scatter and odor. Suits multi-cat households and owners who want automated cleaning and health monitoring.

The CS106 is an extra-large, self-cleaning litter box with a 106L interior, 4.5L auto-refill system, and a 12L waste drawer designed for multi-cat or large-cat households. It features quiet operation (under 34dB), app/control options, safety sensors, and removable parts for easy deep cleaning.

The Neakasa M1 is an open-top, self-cleaning automatic litter box with a 7.17 L litter chamber and an 11.23 L waste bin. It uses infrared and weight sensors for safe automated cleaning, a Pull & Wrap sealed disposal system and OdorSeal technology to reduce smells, and is designed for easy emptying and app control.

The PuraMax 2 is a self-cleaning automatic litter box with a sealed 7 L waste bin, triple deodorization system, low-threshold entry, and a removable cylinder for easier maintenance. It supports app control and is designed for multi-cat households with safety sensors and compatibility with most clumping litters. It suits owners who want reduced scooping and strong odor control.

The Petkit Pura X is a self-cleaning smart litter box with a rotating cylinder, app connectivity, weight sensing and a built-in air spray for odor control. It suits single- or small-multi-cat households looking for automated scooping, activity tracking, and compact cube-style design.

The Purobot Max Pro 2 is an AI-camera equipped, self-cleaning litter box with a larger low-threshold entry, 76L cylinder capacity, multi-layer odor control, and whisper-quiet 35 dB operation. It offers multi-cat recognition, health monitoring (urine pH, stool, yowling), and a detachable design for easier maintenance, suited to large or senior cats and multi-cat households.

Automatic SmartSpin sifts clumps into a sealed, deodorized 6-liter waste drawer and connects to the PetSafe app for weight and usage monitoring. Low-profile design with smooth interior makes disassembly and wiping simple; rated for cats up to 25 lb and marketed for quiet operation.