PetSafe ScoopFree Crystal Pro Legacy Self-Cleaning Litter Box, Uncovered

Why it's worth it

The ScoopFree Crystal Pro Legacy rakes waste into a covered disposable tray filled with silica crystals that dry solids and absorb urine. For one cat, PetSafe says a tray lasts up to 30 days, and there's no app or Wi-Fi to configure.

This is the least complicated way to stop scooping. There's no globe, no app, no pairing process — a rake sweeps waste into a covered compartment on a timer, and the crystal litter handles the rest. The uncovered design also helps with cats who won't commit to an enclosed box. PetKeen's data suggests open-top self-cleaners win over hesitant cats in roughly half the time an enclosed globe takes.

Crystal litter is the whole argument here. Silica absorbs urine and dries solid waste, and PetSafe rates a tray at up to 30 days for a single cat. Forbes Vetted editors describe similar behavior — crystals holding odor for weeks where standard clumping clay starts announcing itself around day 7 to 10 in a room without much airflow. The crystals are also low-tracking and nearly dust-free, so less of the box ends up on your floor.

From our review of 6 self-cleaning litter boxes, by James Bennett, Associate Editor

What we like

• +This is the least complicated way to stop scooping
• +Crystal litter is the whole argument here
• +The trade-off is the trays themselves
• +The health counter is a modest but genuinely useful feature

What to know

• –Odor control depends entirely on changing trays on schedule
• –It's less hands-off than the marketing suggests
• –The single-cat 30-day figure won't survive a multi-cat home