Litter-Robot 4 vs Litter-Robot 3 Connect compared on specs, price, and real reviews — we help you pick the right one for your needs.
| Litter-Robot 4 | Litter-Robot 3 Connect | |
|---|---|---|
| 2.3 kg | Min. cat weight | 2.3 kg |
| Clumping | Litter type | Clumping |
| 6 L | Waste capacity | 5 L |
| Yes | App control | Yes |
| Yes | Health monitoring | No |
| Yes | Safety sensor | Yes |
| Yes | Odor control | Yes |
| Yes | Multi-cat | Yes |
New vs old Litter-Robot. The 4 adds automatic weight/visit tracking, quieter operation, and a better app. The 3 Connect keeps the proven rotating mechanism at a lower price. Pick the 4 for health tracking; the 3 for a balance of cost and reliability.