Updated August 2026

PrettyLitter Review

PrettyLitter review: color-changing health alerts, monthly cost, and pairing with automatic litter boxes.

PrettyLitter is color-changing silica litter sold on subscription — not a robot box itself. Many US owners pair it with automatic systems for an extra health-monitoring layer.

How the color system works

Silica crystals change color in response to certain urine pH shifts. It's a screening tool — not a vet diagnosis — but it can prompt earlier vet visits.

Monthly cost

Budget roughly $24/month per cat. That adds up versus bulk clumping litter, so we recommend it when health monitoring matters more than lowest cost.

Automatic box compatibility

Lightweight silica may not sift correctly in all robotic boxes. Confirm with your box manufacturer before switching from clumping clay.