The Fumoi Automatic Cat Litter Box is ideal for owners with multiple cats or larger felines, up to 25 lbs, who prioritize maximum waste capacity and less frequent emptying. With its 15L sealed waste bin and 95L drum, it's perfect for busy households seeking convenience. The infrared sensors provide reliable safety during cleaning cycles. If you value robust capacity and straightforward app control for tracking and scheduling, Fumoi is a strong choice, offering peace of mind through its washable liner for easy maintenance.

The DuckSky Automatic Litter Box suits owners with smaller cats, up to 18 lbs, who value advanced sensing technology and active odor control. Its combination of infrared, weight, and smart sensors provides detailed usage tracking via the app. If you're sensitive to odors and appreciate the additional deodorization provided by an ozone generator, and are working with a slightly tighter budget, DuckSky is a compelling option. Be mindful of the ozone generator's health risks and the need for occasional disassembly for thorough cleaning.