Litter-Robot 5 Pro vs Purobot Crystal Duo
One requires the maker's own litter, the other takes standard litter
Petkit Purobot Crystal Duo
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Currently listed price on petkit.com for this open-top disposable-tray model.
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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, $699.01 below Litter-Robot 5 Pro at $899.
- Proprietary litter required: published for Purobot Crystal Duo, not for Litter-Robot 5 Pro.
- Entry height: Litter-Robot 5 Pro 15.75 in versus Purobot Crystal Duo 7.08 in (122% more). Published data favours Purobot Crystal Duo.
- Warranty: Purobot Crystal Duo 24 months versus Litter-Robot 5 Pro 12 months (100% more). Published data favours Purobot Crystal Duo.
- Minimum cat weight: Purobot Crystal Duo 3.3 lbs versus Litter-Robot 5 Pro 3 lbs (10% more). Published data favours Litter-Robot 5 Pro.
- Subscription required: published for Purobot Crystal Duo, not for Litter-Robot 5 Pro.
- Litter type required: Litter-Robot 5 Pro — Clumping clay litter; Purobot Crystal Duo — Petkit Crystal litter disposable tray.
- Cleaning cycle trigger: Litter-Robot 5 Pro — Weight sensor starts the cycle after the cat exits; WasteID identifies waste type; Purobot Crystal Duo — Automatic after the cat exits, with app scheduling.
Full specification comparison
| Attribute | Litter-Robot 5 Pro | Purobot Crystal Duo |
|---|---|---|
| Multi-cat suitable | Yes | Yes |
| Minimum cat weight | 3 lbs | 3.3 lbs |
| Maximum cat weight | 30 lbs | Not published |
| Waste drawer capacity | Not published by either | Not published by either |
| Litter type required | Clumping clay litter | Petkit Crystal litter disposable tray |
| Proprietary litter required | No | Yes |
| Proprietary waste bags required | No | No |
| Subscription required | No | Yes |
| Cleaning cycle trigger | Weight sensor starts the cycle after the cat exits; WasteID identifies waste type | Automatic after the cat exits, with app scheduling |
| Adjustable cycle delay | Yes | Yes |
| App control | Yes | Yes |
| Weight sensing | Yes | Yes |
| Health monitoring | Yes | Yes |
| Odor control method | WasteID-targeted odor control with sealed waste drawer and carbon filter | Disposable absorbent crystal litter tray |
| Entry height | 15.75 in | 7.08 in |
| Interior dimensions | Entryway 15.75 x 15.75 in; interior height 17.5 in | Not published |
| Footprint | 22 x 27 x 29.9 in | 32.2 x 19.96 x 13.14 in |
| Operating noise | Not published by either | Not published by either |
| Power source | AC power | AC adapter, 12V/2A |
| Battery backup | Not published | No |
| Warranty | 12 months | 24 months |