Litter-Robot 4 vs PURA MAX 2 compared on specs, price, and real reviews — we help you pick the right one for your needs.
| Litter-Robot 4 | PURA MAX 2 | |
|---|---|---|
| 2.3 kg | Min. cat weight | 1 kg |
| Clumping | Litter type | Tofu |
| 6 L | Waste capacity | 8 L |
| Yes | App control | Yes |
| Yes | Health monitoring | Yes |
| Yes | Safety sensor | Yes |
| Yes | Odor control | Yes |
| Yes | Multi-cat | Yes |
The two most popular self-cleaning boxes. The Litter-Robot 4 is the premium pick — quieter, with cat ID and proven durability — while the PETKIT PuraMax2 delivers a huge waste drawer and tofu-litter support at a far lower price. Go LR4 if budget is no object; PuraMax2 for the best value.