PetSafe
PetSafe ScoopFree Crystal Smart
$269.99Cheaper
Released 2020
Best Self Cleaning Litter Boxes · head-to-head
PetSafe ScoopFree Crystal Smart vs PETKIT PuraMax 2
A sourced, side-by-side comparison. PetSafe ScoopFree Crystal Smart is cheaper at $269.99. Every spec and price links to its source.
PETKIT
PETKIT PuraMax 2
$369.99
Released 2024
Which is better: the PetSafe ScoopFree Crystal Smart or PETKIT PuraMax 2?
On the specs we track, they're closely matched. The PetSafe ScoopFree Crystal Smart is the cheaper at $269.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | PetSafe ScoopFree Crystal Smart | PETKIT PuraMax 2 |
|---|---|---|
| US price | $269.99 | $369.99 |
| Brand | PetSafe | PETKIT |
| Released | 2020 | 2024 |
| Mechanism | raking | rotating |
| Capacity cats | — | — |
| Waste drawer capacity | — | 7 L |
| App connectivity | Yes | Yes |
| Weight sensor | No | Yes |
| Litter type | crystal | clumping |
| Dimensions (in) | 27.6 x 19.1 x 15.6 in | 24.41 x 21.18 x 21.73 in |
| Release | 2020 | 2024 |
Sources — PetSafe ScoopFree Crystal Smart: petsafe.com (verified 2026-06-19). PETKIT PuraMax 2: petkit.com (verified 2026-06-19).
What's the difference between the PetSafe ScoopFree Crystal Smart and PETKIT PuraMax 2?
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
- Mechanism: PetSafe ScoopFree Crystal Smart raking vs PETKIT PuraMax 2 rotating
- Weight sensor: PetSafe ScoopFree Crystal Smart false vs PETKIT PuraMax 2 true
- Litter type: PetSafe ScoopFree Crystal Smart crystal vs PETKIT PuraMax 2 clumping
- Dimensions (in): PetSafe ScoopFree Crystal Smart 27.6 x 19.1 x 15.6 in vs PETKIT PuraMax 2 24.41 x 21.18 x 21.73 in