Purobot Crystal Duo vs Litter-Robot 5
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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Whisker Litter-Robot 5
Buy now$799
Whisker lists the unit from $799; the Litter-Robot 5 Pro variant starts at $899.
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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, $599.01 below Litter-Robot 5 at $799.
- Proprietary litter required: published for Purobot Crystal Duo, not for Litter-Robot 5.
- Warranty: Purobot Crystal Duo 24 months versus Litter-Robot 5 12 months (100% more). Published data favours Purobot Crystal Duo.
- Minimum cat weight: Purobot Crystal Duo 3.3 lbs versus Litter-Robot 5 3 lbs (10% more). Published data favours Litter-Robot 5.
- Subscription required: published for Purobot Crystal Duo, not for Litter-Robot 5.
- Litter type required: Purobot Crystal Duo — Petkit Crystal litter disposable tray; Litter-Robot 5 — Clumping clay litter.
- Cleaning cycle trigger: Purobot Crystal Duo — Automatic after the cat exits, with app scheduling; Litter-Robot 5 — Weight sensor starts the cycle after the cat exits; WasteID identifies waste type.
- Odor control method: Purobot Crystal Duo — Disposable absorbent crystal litter tray; Litter-Robot 5 — WasteID-targeted odor control with sealed waste drawer.
Full specification comparison
| Attribute | Purobot Crystal Duo | Litter-Robot 5 |
|---|---|---|
| Multi-cat suitable | Yes | Yes |
| Minimum cat weight | 3.3 lbs | 3 lbs |
| Maximum cat weight | Not published | 30 lbs |
| Waste drawer capacity | Not published by either | Not published by either |
| Litter type required | Petkit Crystal litter disposable tray | Clumping clay 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 | Weight sensor starts the cycle after the cat exits; WasteID identifies waste type |
| Adjustable cycle delay | Yes | Yes |
| App control | Yes | Yes |
| Weight sensing | Yes | Yes |
| Health monitoring | Yes | Yes |
| Odor control method | Disposable absorbent crystal litter tray | WasteID-targeted odor control with sealed waste drawer |
| 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 | Not published |
| Operating noise | Not published by either | Not published by either |
| Power source | AC adapter, 12V/2A | AC power |
| Battery backup | No | Not published |
| Warranty | 24 months | 12 months |