PETKIT PuraMax 2 Odor Free Automatic Cat Litter Box,with 2-Year Coverage

Why it's worth it

The PuraMax 2 gives you globe rotation, app control, weight-based cat identification, and a 76-liter interior that suits big cats. Its 7-liter waste bin runs about 15 days on the timer modes, and seven infrared sensors pause the drum when a cat comes near.

The pitch is simple: most of what the Litter-Robot does, for considerably less. You get a rotating drum, a sealed base, remote control from the PETKIT app, and automatic cat identification by weight. Owners who cross-shopped the premium brands and landed here consistently say they don't feel like they gave much up. That's the whole reason it's the runner-up rather than an also-ran.

Safety is where this box quietly overperforms. Seven infrared sensors and four weight sensors watch the entry zone, and the drum pauses when a cat approaches — not just when one is already inside. PETKIT's earlier Pura X used a dual-infrared system that stopped a cycle within 0.2 seconds of re-entry in independent lab testing. If nervousness about a motorized box is what's kept you on the fence, this is the reassurance worth reading twice.

From our review of 6 self-cleaning litter boxes, by James Bennett, Associate Editor

What we like

• +The pitch is simple: most of what the Litter-Robot does, for considerably less
• +Safety is where this box quietly overperforms
• +The 76-liter interior handles cats from about 3.3 to 22 pounds, which covers most large breeds short of a genuinely enormous…
• +It leans hard on Wi-Fi, and that's a real caveat rather than a footnote

What to know

• –The app is central to the experience, not optional garnish
• –PETKIT says not to use it for kittens under six months, so this isn't the box for a household that's about to add a young cat
• –Owner feedback is more mixed than the top pick's