Purobot Crystal Duo vs M1 Plus
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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Neakasa M1 Plus
Buy now$379.99
Currently listed price on neakasa.com against a regular price of $569.99.
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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, $180 below M1 Plus at $379.99.
- Proprietary litter required: published for Purobot Crystal Duo, not for M1 Plus.
- Minimum cat weight: Purobot Crystal Duo 3.3 lbs versus M1 Plus 2.2 lbs (50% more). Published data favours M1 Plus.
- Proprietary waste bags required: published for M1 Plus, not for Purobot Crystal Duo.
- Subscription required: published for Purobot Crystal Duo, not for M1 Plus.
- Litter type required: Purobot Crystal Duo — Petkit Crystal litter disposable tray; M1 Plus — Fast-clumping mineral or bentonite clay, particles up to 3 x 10 mm.
- Cleaning cycle trigger: Purobot Crystal Duo — Automatic after the cat exits, with app scheduling; M1 Plus — After the cat exits, via motion and weight sensors.
- Odor control method: Purobot Crystal Duo — Disposable absorbent crystal litter tray; M1 Plus — Five-layer odour neutralisation with sealed pull-and-wrap bag.
Full specification comparison
| Attribute | Purobot Crystal Duo | M1 Plus |
|---|---|---|
| Multi-cat suitable | Yes | Not published |
| Minimum cat weight | 3.3 lbs | 2.2 lbs |
| Maximum cat weight | Not published | 33 lbs |
| Waste drawer capacity | Not published by either | Not published by either |
| Litter type required | Petkit Crystal litter disposable tray | Fast-clumping mineral or bentonite clay, particles up to 3 x 10 mm |
| 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 the cat exits, via motion and weight 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 | Five-layer odour neutralisation with sealed pull-and-wrap bag |
| 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 | 22.83 x 19.69 x 26.83 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 | Not published |