Instachew Purrclean vs Meowant SC01 Self-Cleaning Litter Box
Researched by Riley Hart · prices checked Nov 2, 2026
As of Nov 2, 2026, the Instachew Purrclean costs $320 and the Meowant SC01 Self-Cleaning Litter Box has no store price on file. The Meowant SC01 Self-Cleaning Litter Box scores higher in our ranking (7.4 vs 7.3 out of 10). Pick the Instachew Purrclean for small cats in small spaces. Pick the Meowant SC01 Self-Cleaning Litter Box for one small or senior cat. The Meowant SC01 Self-Cleaning Litter Box wins 3 of 3 points we can measure.
Who wins, point by point
The Meowant SC01 Self-Cleaning Litter Box wins 3 of 3 points we can measure. Built from today's prices, the specs and independent tests for these two robots.
| Purrclean | Meowant SC01 Self-Cleaning Litter Box | Winner | |
|---|---|---|---|
| Cats.com score | 3.6/5 | 4.2/5 | Meowant SC01 Self-Cleaning Litter Box |
| Cats supported | 3 | 6 | Meowant SC01 Self-Cleaning Litter Box |
| Noise | 47 dB | 40 dB | Meowant SC01 Self-Cleaning Litter Box |
- Best for small cats in small spaces
- You care most about cats.com score (4.2/5 vs 3.6/5)
- You care most about cats supported (6 vs 3)
- You care most about noise (40 dB vs 47 dB)
- Best for one small or senior cat
- Cat weight
- At least 2.5 kg
- Litter
- Clumping litters
- Waste drawer
- About 8 L drawer
Compact app connected drum box suited to small cats
Full Instachew Purrclean review, pros and cons →- Cat weight
- 3 to 18 lb
- Max cats
- No limit stated
- Litter
- Clumping litter
- Waste drawer
- Side waste bin
Budget globe box with a low 4.8 in entry for small or older cats
Full Meowant SC01 Self-Cleaning Litter Box review, pros and cons →Side by side
| Instachew Purrclean | Meowant SC01 Self-Cleaning Litter Box | |
|---|---|---|
| Price | $320 | n/a |
| 3 year cost | $320 | n/a |
| Our score | 7.3/10 | 7.4/10 |
| Rank in Litter box | #8 | #7 |
| Status | on sale | on sale |
| Warranty | n/a | 1 year; 30 day returns (Cats.com, official shop listing) |
| Cat weight range | At least 2.5 kg (5.5 lb) and over 6 months (Chewy listing); no maximum published, reviewers say large cats do not fit | 3 to 18 lb (Cats.com; official shop listing says up to 18 lb); The Gadgeteer listed 3 to 22 lb in 2023 |
| Max cats | Not published; Cats.com found only 3 of 7 cats small enough to use it | No limit stated; app tells up to 6 cats apart by weight (Cats.com); The Gadgeteer found it cramped for more than one cat |
| Waste drawer | About 8 L drawer with bag liner (Chewy listing) | Side waste bin, 5 L per The Gadgeteer, 6 L per Cats.com; The Gadgeteer's bin was half full after 3 days |
| Sensors | 12 safety sensors (Cats.com); infrared cat detection within 50 cm of the opening and a foreign object sensor (TechnoMeow) | Radar, hall, gravity and grating sensors (Cats.com); cycle pauses when a cat comes within about 12 in (The Gadgeteer) |
| App | Instachew Infinity app for schedules, cat weights and visit logs; 2.4 and 5 GHz Wi-Fi (TechnoMeow) | AIR PET app over 2.4 GHz Wi-Fi with visit, frequency and weight logs; on unit buttons work without internet |
| Litter type | Clumping litters including tofu, soil and mixed (TechnoMeow, Chewy) | Clumping litter with granules under 15 mm (0.59 in); Cats.com also lists plant based, mixed and crystal as compatible |
| Size | 19 x 20 x 26 in, 32 lb (TechnoMeow); inner 46 x 42 cm, entry 9 in off the floor (Chewy) | 20.5 x 20.9 x 21.85 in, 20.9 lb empty (The Gadgeteer); Cats.com lists 20 x 21 x 22 in and 28.7 lb; 4.8 in entry height, 14 x 14 in interior |
| Noise | 47 dB (figure cited by TechnoMeow) | Under 40 dB (maker claim cited by Cats.com and The Gadgeteer) |
| Best for | small cats in small spaces | one small or senior cat |
| Skip if | you have cats over about 12 lb | you have large cats or a multi cat home |
Specs are maker claims unless a reviewer is named. Prices from the stores we link, checked daily.
What reviewers found
Instachew Purrclean
- Cats.com (3.6/5): Tested about six weeks in a seven cat home; only three cats were small enough, drum removal was awkward, app pairing was slow and nearby cats set off many alerts. Source
- TechnoMeow (3.5/5): Tested on a friend's unit; a Siamese fit but a Bengal did not, the app disconnected often, some litter went unsifted and odors lingered. Source
Meowant SC01 Self-Cleaning Litter Box
- Cats.com (4.2/5): Scored 5/5 on price and appearance but 3/5 on construction; noted the small 6 L side bin, litter trapped in the drum gap and scatter from the low entry. Source
- The Gadgeteer: Clean cycle took about 30 seconds and paused when a cat came within 12 in; weight detection was accurate and the bin was half full after 3 days. One of two test cats refused to use it; reviewer suggests it for a single calm cat under 10 lb. Source
Questions buyers ask
Which is better, the Instachew Purrclean or the Meowant SC01 Self-Cleaning Litter Box?
The Meowant SC01 Self-Cleaning Litter Box scores higher in our ranking (7.4 vs 7.3 out of 10). Pick the Instachew Purrclean for small cats in small spaces. Pick the Meowant SC01 Self-Cleaning Litter Box for one small or senior cat.
What is the difference between the Purrclean and the SC01 Self-Cleaning Litter Box?
Cat weight range: At least 2.5 kg (5.5 lb) and over 6 months (Chewy listing); no maximum published… on the Purrclean, 3 to 18 lb (Cats.com; official shop listing says up to 18 lb); The Gadgeteer listed 3 to… on the SC01 Self-Cleaning Litter Box. Max cats: Not published; Cats.com found only 3 of 7 cats small enough to use it on the Purrclean, No limit stated; app tells up to 6 cats apart by weight (Cats.com); The Gadgeteer found… on the SC01 Self-Cleaning Litter Box. Waste drawer: About 8 L drawer with bag liner (Chewy listing) on the Purrclean, Side waste bin, 5 L per The Gadgeteer, 6 L per Cats.com; The Gadgeteer's bin was half… on the SC01 Self-Cleaning Litter Box.
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