Purobot Max 3 vs AutoEgg
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.
Buy now

ChillX AutoEgg
Buy now$399.99
List price on chillx.co; a reconditioned unit is listed separately.
Buy now · ChillX states units are on backorder of one to four months.
Where the published data differs
Every line below is computed from the two manufacturers’ own figures. Attributes neither brand publishes are omitted.
- Maximum cat weight: Purobot Max 3 22 lbs versus AutoEgg 15.4 lbs (43% more). Published data favours Purobot Max 3.
- Warranty: Purobot Max 3 24 months versus AutoEgg 12 months (100% more). Published data favours Purobot Max 3.
- Minimum cat weight: AutoEgg 4.4 lbs versus Purobot Max 3 3.3 lbs (33% more). Published data favours Purobot Max 3.
- Proprietary waste bags required: published for Purobot Max 3, not for AutoEgg.
- Litter type required: Purobot Max 3 — Clumping clay, tofu, corn or bentonite litters; AutoEgg — Hard-clumping clay with small particles; not silica, paper, tofu, pine, corn or wheat.
- Cleaning cycle trigger: Purobot Max 3 — Automatic after the cat exits, with app scheduling; AutoEgg — Five minutes after four weight sensors detect 5 g of waste.
- Footprint: Purobot Max 3 — 24.4 x 21.2 x 21.7 in; AutoEgg — 30 x 19 x 17 in.
Full specification comparison
| Attribute | Purobot Max 3 | AutoEgg |
|---|---|---|
| Multi-cat suitable | Yes | Yes |
| Minimum cat weight | 3.3 lbs | 4.4 lbs |
| Maximum cat weight | 22 lbs | 15.4 lbs |
| Waste drawer capacity | 7 L | Not published |
| Litter type required | Clumping clay, tofu, corn or bentonite litters | Hard-clumping clay with small particles; not silica, paper, tofu, pine, corn or wheat |
| Proprietary litter required | No | No |
| Proprietary waste bags required | Yes | No |
| Subscription required | No | No |
| Cleaning cycle trigger | Automatic after the cat exits, with app scheduling | Five minutes after four weight sensors detect 5 g of waste |
| Adjustable cycle delay | Yes | Not published |
| App control | Yes | Not published |
| Weight sensing | Yes | Yes |
| Health monitoring | Yes | Yes |
| Odor control method | Four-part OdorVoid system with sealed waste bin | Not published |
| Entry height | 8.03 in | Not published |
| Interior dimensions | Not published by either | Not published by either |
| Footprint | 24.4 x 21.2 x 21.7 in | 30 x 19 x 17 in |
| Operating noise | 35 dB | Not published |
| Power source | AC adapter, 12V/2A | Not published |
| Battery backup | No | Not published |
| Warranty | 24 months | 12 months |
