Purobot Max 3 vs Luma Smart Litter Box
Cross-brand multi-cat rivals at a similar price
Petkit Purobot Max 3
Buy now$399.99
Currently listed price on petkit.com; the page shows a higher regular price.
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Where the published data differs
Every line below is computed from the two manufacturers’ own figures. Attributes neither brand publishes are omitted.
- Purobot Max 3 lists at $399.99, $200 below Luma Smart Litter Box at $599.99.
- Waste drawer capacity: Luma Smart Litter Box 11 L versus Purobot Max 3 7 L (57% more). Published data favours Luma Smart Litter Box.
- Entry height: Luma Smart Litter Box 17.4 in versus Purobot Max 3 8.03 in (117% more). Published data favours Purobot Max 3.
- Minimum cat weight: Purobot Max 3 3.3 lbs versus Luma Smart Litter Box 2.2 lbs (50% more). Published data favours Luma Smart Litter Box.
- Litter type required: Purobot Max 3 — Clumping clay, tofu, corn or bentonite litters; Luma Smart Litter Box — Clumping, tofu and mixed litters; not crystal, pine or ultra-fine.
- Cleaning cycle trigger: Purobot Max 3 — Automatic after the cat exits, with app scheduling; Luma Smart Litter Box — After use, confirmed by weight, visual and infrared sensors.
- Odor control method: Purobot Max 3 — Four-part OdorVoid system with sealed waste bin; Luma Smart Litter Box — Carbon deodoriser with sealed drawer liner.
- Footprint: Purobot Max 3 — 24.4 x 21.2 x 21.7 in; Luma Smart Litter Box — 23.3 x 22.5 x 28.1 in.
Full specification comparison
| Attribute | Purobot Max 3 | Luma Smart Litter Box |
|---|---|---|
| Multi-cat suitable | Yes | Yes |
| Minimum cat weight | 3.3 lbs | 2.2 lbs |
| Maximum cat weight | 22 lbs | 22 lbs |
| Waste drawer capacity | 7 L | 11 L |
| Litter type required | Clumping clay, tofu, corn or bentonite litters | Clumping, tofu and mixed litters; not crystal, pine or ultra-fine |
| Proprietary litter required | No | No |
| Proprietary waste bags required | Yes | Yes |
| Subscription required | No | No |
| Cleaning cycle trigger | Automatic after the cat exits, with app scheduling | After use, confirmed by weight, visual and infrared sensors |
| Adjustable cycle delay | Yes | Not published |
| App control | Yes | Yes |
| Weight sensing | Yes | Yes |
| Health monitoring | Yes | Yes |
| Odor control method | Four-part OdorVoid system with sealed waste bin | Carbon deodoriser with sealed drawer liner |
| Entry height | 8.03 in | 17.4 in |
| Interior dimensions | Not published by either | Not published by either |
| Footprint | 24.4 x 21.2 x 21.7 in | 23.3 x 22.5 x 28.1 in |
| Operating noise | 35 dB | Not published |
| Power source | AC adapter, 12V/2A | Corded electric, 12V/5A adapter |
| Battery backup | No | Not published |
| Warranty | 24 months | Not published |