Purobot Crystal Duo vs Ease S1 Pro
One requires the maker's own litter, the other takes standard litter
Petkit Purobot Crystal Duo
Buy now$199.99
Currently listed price on petkit.com for this open-top disposable-tray model.
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Oneisall Ease S1 Pro
Buy now$229.99
Manufacturer US store Grey Standard sale price; compare-at up to $349.99
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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.
- Purobot Crystal Duo lists at $199.99, $30 below Ease S1 Pro at $229.99.
- Proprietary litter required: published for Purobot Crystal Duo, not for Ease S1 Pro.
- Minimum cat weight: Purobot Crystal Duo 3.3 lbs versus Ease S1 Pro 2.6 lbs (27% more). Published data favours Ease S1 Pro.
- Subscription required: published for Purobot Crystal Duo, not for Ease S1 Pro.
- Litter type required: Purobot Crystal Duo — Petkit Crystal litter disposable tray; Ease S1 Pro — Mineral and bentonite with 5 mm litter guard; optional 12 mm guard for mixed/tofu litter.
- Cleaning cycle trigger: Purobot Crystal Duo — Automatic after the cat exits, with app scheduling; Ease S1 Pro — Automatic self-clean after use; app alerts and remote control.
- Footprint: Purobot Crystal Duo — 32.2 x 19.96 x 13.14 in; Ease S1 Pro — 22.05 x 23.03 x 21.97 in.
Full specification comparison
| Attribute | Purobot Crystal Duo | Ease S1 Pro |
|---|---|---|
| Multi-cat suitable | Yes | Yes |
| Minimum cat weight | 3.3 lbs | 2.6 lbs |
| Maximum cat weight | Not published | 30 lbs |
| Waste drawer capacity | Not published | 11 L |
| Litter type required | Petkit Crystal litter disposable tray | Mineral and bentonite with 5 mm litter guard; optional 12 mm guard for mixed/tofu litter |
| Proprietary litter required | Yes | No |
| Proprietary waste bags required | No | No |
| Subscription required | Yes | No |
| Cleaning cycle trigger | Automatic after the cat exits, with app scheduling | Automatic self-clean after use; app alerts and remote control |
| Adjustable cycle delay | Yes | Not published |
| App control | Yes | Yes |
| Weight sensing | Yes | Not published |
| Health monitoring | Yes | Not published |
| Odor control method | Disposable absorbent crystal litter tray | Not published |
| Entry height | 7.08 in | Not published |
| Interior dimensions | Not published by either | Not published by either |
| Footprint | 32.2 x 19.96 x 13.14 in | 22.05 x 23.03 x 21.97 in |
| Operating noise | Not published by either | Not published by either |
| Power source | AC adapter, 12V/2A | Not published |
| Battery backup | No | Not published |
| Warranty | 24 months | 24 months |