Self-cleaning litter boxes compared: 15 models
Specs as of 1 Nov 2026 (newest check) · 15 models · every model lists its sources and its own as-of date
How to use this comparison
Start with your heaviest cat and the litter you use, then compare two to four boxes. Drawer days are the maker’s one-cat figure; set your number of cats and we divide it for you.
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| Model | Mechanism | Litter | Cat weight | Cats stated | Drawer, one cat |
|---|---|---|---|---|---|
| Whisker Litter-Robot 4 Guide | Rotating globe | Clumping | 3–25 lb | Up to 4 | Up to 8 days |
| Neakasa M1 Plus Guide | Open-top sifter | Clumping | 2.2–33 lb | Multi-cat, no number | Up to 14 days |
| PetSafe ScoopFree Crystal Smart Guide | Raking tray | Crystal | Not published | "Single or multi-cat households" | Not stated |
| CatGenie A.I. Guide | Water-connected washer | Washable granules | Check | Not stated | Not stated |
| PetSafe ScoopFree SmartSpin (PAL00-17985) Guide | Rotating globe | Clumping | Not published | Not stated | Not stated |
| Casa Leo Leo's Loo Too Guide | Rotating globe | Clumping | Up to 20 lb | Not stated | Not stated |
| Whisker Litter-Robot 5 Guide | Rotating globe | Clumping | 3–30 lb | Up to 5 | Up to 10 days |
| Whisker Litter-Robot 5 Pro Guide | Rotating globe | Clumping | 3–30 lb | Up to 5 | Up to 10 days |
| PETKIT PuraMax 2 Guide | Sifting cylinder | Clumping, Tofu | 3.3–22 lb | Multi-cat comfort claimed, no number | Up to 15 days |
| PETKIT Purobot Max Pro 2 Guide | Sifting cylinder | Clumping, Tofu | 3.3–22 lb | Up to 15 | Up to 17 days |
| PetSafe ScoopFree Crystal Pro (hooded, PAL00-18017) Guide | Raking tray | Crystal | Not published | "Single or multi-cat households" | Up to 30 days |
| MeoWant MW-SC09 (Plus) | Rotating drum (open design) | Clumping | 3.3–30 lb | Multi-cat, no number; app usage data for 30+ cats after an app upgrade | Not stated |
| MeoWant MW-SC10 | Open-top self-cleaning (72 L) | Not stated | Not published | Drawer days vary with the number of cats | Not stated |
| MeoWant MW-SC01 | Self-cleaning (type not stated) | Not stated | Up to 18 lb | App tracks up to 6 cats | Not stated |
| MeoWant MW-SC03 (open top) | Open-top dual-rake | Clumping | Not published | Not stated | Not stated |
Tools and guides that fit
- Litter Box Fit CheckWhich boxes suit your cats and your litter
- Multiple catsDrawer days and cat limits for 2–4 cats
- Large catsEntry height and weight limits
- Litter-Robot 4 vs ScoopFree vs Neakasa M1Three popular boxes in one guide