Petkit Purobot Max Pro 2 vs Stainless Steel Litter Box

The Petkit automates waste removal, which helps with odor. But the stainless steel box eliminates the hidden cause most people never address: plastic absorbs ammonia into microscopic scratches and never releases it, so the box itself becomes a permanent odor source no matter how often you scoop. Switching to stainless is the fix; automation is the convenience. If your house smells, fix the material first.

The Petkit's $500 upfront is just the beginning — proprietary self-sealing waste bags run $35 for a pack of 3, and the best features (multi-cat face recognition, full health monitoring) degrade meaningfully once the free Care+ subscription ends. The stainless box costs $40-$120 once and works with any litter you already buy. Over two years, the Petkit's total cost of ownership is easily 3-4x higher.

The 1080p AI camera with multi-cat face recognition isn't a gimmick — it tracks which cat used the box, how long they spent, and flags behavioral changes that often precede illness. For multi-cat households where one cat's UTI can go unnoticed for weeks, this is genuinely valuable. The stainless box tells you nothing except that it needs scooping.

At $500, you expect a polished app. What you get is an overcrowded interface stuffed with ads for other Petkit products — WIRED called it out directly. The stainless steel box has no app, no Wi-Fi, and no subscription to manage. That's not a limitation; for a lot of people, it's a feature. The Petkit's software is the biggest reason to hesitate at this price point.