Purobot Crystal Duo vs Multi-Cat Self-Cleaning 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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Nature's Miracle Multi-Cat Self-Cleaning Litter Box
Nature's Miracle Multi-Cat Self-Cleaning Litter Box
Buy nowPrice not published
Nature's Miracle does not publish a list price; the box is sold through retailers, whose prices vary and are not tracked here.
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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.
- Proprietary litter required: published for Purobot Crystal Duo, not for Multi-Cat Self-Cleaning Litter Box.
- App control: published for Purobot Crystal Duo, not for Multi-Cat Self-Cleaning Litter Box.
- Subscription required: published for Purobot Crystal Duo, not for Multi-Cat Self-Cleaning Litter Box.
- Adjustable cycle delay: published for Purobot Crystal Duo, not for Multi-Cat Self-Cleaning Litter Box.
- Weight sensing: published for Purobot Crystal Duo, not for Multi-Cat Self-Cleaning Litter Box.
- Health monitoring: published for Purobot Crystal Duo, not for Multi-Cat Self-Cleaning Litter Box.
- Litter type required: Purobot Crystal Duo — Petkit Crystal litter disposable tray; Multi-Cat Self-Cleaning Litter Box — Clumping clay litter.
- Cleaning cycle trigger: Purobot Crystal Duo — Automatic after the cat exits, with app scheduling; Multi-Cat Self-Cleaning Litter Box — Motion sensor prompts a manual rake pull.
Full specification comparison
| Attribute | Purobot Crystal Duo | Multi-Cat Self-Cleaning Litter Box |
|---|---|---|
| Multi-cat suitable | Yes | Yes |
| Minimum cat weight | 3.3 lbs | Not published |
| Maximum cat weight | Not published by either | Not published by either |
| 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 | Motion sensor prompts a manual rake pull |
| Adjustable cycle delay | Yes | No |
| App control | Yes | No |
| Weight sensing | Yes | No |
| Health monitoring | Yes | No |
| Odor control method | Disposable absorbent crystal litter tray | Carbon filter in the waste receptacle |
| 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 | Battery-powered sensor with manual rake |
| Battery backup | No | Not published |
| Warranty | 24 months | Not published |