MW-SC09 Plus 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, $440 below MW-SC09 Plus at $639.99.
- Proprietary litter required: published for Purobot Crystal Duo, not for MW-SC09 Plus.
- Warranty: Purobot Crystal Duo 24 months versus MW-SC09 Plus 12 months (100% more). Published data favours Purobot Crystal Duo.
- Entry height: MW-SC09 Plus 8.27 in versus Purobot Crystal Duo 7.08 in (17% more). Published data favours Purobot Crystal Duo.
- Subscription required: published for Purobot Crystal Duo, not for MW-SC09 Plus.
- Litter type required: MW-SC09 Plus — Clumping litter, particle length under 15 mm; Purobot Crystal Duo — Petkit Crystal litter disposable tray.
- Cleaning cycle trigger: MW-SC09 Plus — Automatic after the cat leaves, plus manual and timer modes; Purobot Crystal Duo — Automatic after the cat exits, with app scheduling.
- Odor control method: MW-SC09 Plus — Odour-proof cover plus ammonia-breaking deodorising gel; Purobot Crystal Duo — Disposable absorbent crystal litter tray.
Full specification comparison
| Attribute | MW-SC09 Plus | Purobot Crystal Duo |
|---|---|---|
| Multi-cat suitable | Yes | Yes |
| Minimum cat weight | 3.3 lbs | 3.3 lbs |
| Maximum cat weight | 30 lbs | Not published |
| Waste drawer capacity | 6.7 L | Not published |
| Litter type required | Clumping litter, particle length under 15 mm | Petkit Crystal litter disposable tray |
| Proprietary litter required | No | Yes |
| Proprietary waste bags required | No | No |
| Subscription required | No | Yes |
| Cleaning cycle trigger | Automatic after the cat leaves, plus manual and timer modes | 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 | Odour-proof cover plus ammonia-breaking deodorising gel | Disposable absorbent crystal litter tray |
| Entry height | 8.27 in | 7.08 in |
| Interior dimensions | 106 L interior space | Not published |
| Footprint | 20 x 21.5 x 20 in | 32.2 x 19.96 x 13.14 in |
| Operating noise | 36 dB | Not published |
| Power source | Not published | AC adapter, 12V/2A |
| Battery backup | Not published | No |
| Warranty | 12 months | 24 months |