Purobot Crystal Duo vs Luma Smart Litter Box
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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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, $400 below Luma Smart Litter Box at $599.99.
- Proprietary litter required: published for Purobot Crystal Duo, not for Luma Smart Litter Box.
- Entry height: Luma Smart Litter Box 17.4 in versus Purobot Crystal Duo 7.08 in (146% more). Published data favours Purobot Crystal Duo.
- Minimum cat weight: Purobot Crystal Duo 3.3 lbs versus Luma Smart Litter Box 2.2 lbs (50% more). Published data favours Luma Smart Litter Box.
- Proprietary waste bags required: published for Luma Smart Litter Box, not for Purobot Crystal Duo.
- Subscription required: published for Purobot Crystal Duo, not for Luma Smart Litter Box.
- Litter type required: Purobot Crystal Duo — Petkit Crystal litter disposable tray; Luma Smart Litter Box — Clumping, tofu and mixed litters; not crystal, pine or ultra-fine.
- Cleaning cycle trigger: Purobot Crystal Duo — Automatic after the cat exits, with app scheduling; Luma Smart Litter Box — After use, confirmed by weight, visual and infrared sensors.
Full specification comparison
| Attribute | Purobot Crystal Duo | Luma Smart Litter Box |
|---|---|---|
| Multi-cat suitable | Yes | Yes |
| Minimum cat weight | 3.3 lbs | 2.2 lbs |
| Maximum cat weight | Not published | 22 lbs |
| Waste drawer capacity | Not published | 11 L |
| Litter type required | Petkit Crystal litter disposable tray | Clumping, tofu and mixed litters; not crystal, pine or ultra-fine |
| Proprietary litter required | Yes | No |
| Proprietary waste bags required | No | Yes |
| Subscription required | Yes | No |
| Cleaning cycle trigger | Automatic after the cat exits, with app scheduling | After use, confirmed by weight, visual and infrared sensors |
| Adjustable cycle delay | Yes | Not published |
| App control | Yes | Yes |
| Weight sensing | Yes | Yes |
| Health monitoring | Yes | Yes |
| Odor control method | Disposable absorbent crystal litter tray | Carbon deodoriser with sealed drawer liner |
| Entry height | 7.08 in | 17.4 in |
| Interior dimensions | Not published by either | Not published by either |
| Footprint | 32.2 x 19.96 x 13.14 in | 23.3 x 22.5 x 28.1 in |
| Operating noise | Not published by either | Not published by either |
| Power source | AC adapter, 12V/2A | Corded electric, 12V/5A adapter |
| Battery backup | No | Not published |
| Warranty | 24 months | Not published |