Purobot Ultra vs S7
Cross-brand multi-cat rivals at a similar price
Petkit Purobot Ultra
Buy now$799.99
Currently listed at $799.99 on petkit.com against a regular price of $899.99.
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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.
- S7 lists at $649.95, $150.04 below Purobot Ultra at $799.99.
- Waste drawer capacity: S7 11 L versus Purobot Ultra 10 L (10% more). Published data favours S7.
- Warranty: Purobot Ultra 24 months versus S7 12 months (100% more). Published data favours Purobot Ultra.
- Entry height: S7 10.6 in versus Purobot Ultra 10.43 in (2% more). Published data favours Purobot Ultra.
- Proprietary waste bags required: published for Purobot Ultra, not for S7.
- Litter type required: Purobot Ultra — Clumping clay, tofu or mixed litter, particle length up to 12 mm; S7 — Clumping litter; default 6 mm sifter for fine clay.
- Cleaning cycle trigger: Purobot Ultra — Automatic after the cat exits, with app scheduling; S7 — App/schedule modes with pet sensing; cycle about 2.5 minutes.
- Odor control method: Purobot Ultra — Auto-sealed waste bags with contactless packing; S7 — External sealed waste bin with L-shaped gasket and 360 double-bag wrap.
Full specification comparison
| Attribute | Purobot Ultra | S7 |
|---|---|---|
| Multi-cat suitable | Yes | Yes |
| Minimum cat weight | 3.3 lbs | Not published |
| Maximum cat weight | 22 lbs | Not published |
| Waste drawer capacity | 10 L | 11 L |
| Litter type required | Clumping clay, tofu or mixed litter, particle length up to 12 mm | Clumping litter; default 6 mm sifter for fine clay |
| 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 | App/schedule modes with pet sensing; cycle about 2.5 minutes |
| Adjustable cycle delay | Yes | Not published |
| App control | Yes | Yes |
| Weight sensing | Yes | Yes |
| Health monitoring | Yes | Yes |
| Odor control method | Auto-sealed waste bags with contactless packing | External sealed waste bin with L-shaped gasket and 360 double-bag wrap |
| Entry height | 10.43 in | 10.6 in |
| Interior dimensions | Not published by either | Not published by either |
| Footprint | 20.94 x 32.2 x 24.09 in | 29.1 x 20.5 x 15.8 in (bin included) |
| Operating noise | Not published | 40 dB |
| Power source | AC adapter, 12V/4A | DC 12V 3A / 36W |
| Battery backup | No | Not published |
| Warranty | 24 months | 12 months |