rabbit.reviews
Best Upgrade: Skip Scooping Entirely

Whisker Litter-Robot 4

The Litter-Robot 4 eliminates manual scooping entirely — it senses when your cat leaves, waits 7 minutes, then automatically sifts waste into a sealed bin. Wirecutter, Good Housekeeping, and WIRED all name it a top pick, and Reddit's r/litterrobot community backs it up.

$699-$749
Pros
  • Fully automatic — senses cat exit and self-cleans after 7 minutes
  • Intuitive Whisker app tracks usage, weight, and waste bin level
  • Compatible with LitterHopper auto-refill attachment
  • Spacious 15.75-inch opening works for most cat sizes
  • Whisker offers extended warranty and DIY replacement parts
Cons
  • Expensive at ~$700
  • Nearly 30 inches tall — won't fit under sinks or in small spaces
  • Sensors can get buggy over time and detect 'ghost cats'
  • Some cats take weeks to transition to it
Why we recommend it

If you're tired of scooping, just get the Litter-Robot 4. It's expensive but it genuinely works, and the app that tells you when to empty the bin is the best in the category.

What the community says

I use the regular Tidy Cats 24/7 litter and it works great. I have an LR4 and three cats.

r/litterrobot · read thread →
What the experts said

The Litter-Robot 4 gets more things right than any other box we've ever tested. It's spacious and repairable, and it's simple to clean and customize.

Wirecutter · read full review →

The Litter-Robot 4 is a close second, mostly because of its LitterHopper attachment that easily refills litter for you.

WIRED · read full review →

It's huge—but after using it for a few months, I could never go back to any other litter box

Good Housekeeping · read full review →