Litter-Robot 4
The benchmark self-cleaning box — Wirecutter's top pick, with quiet sifting and deep app health tracking
Key characteristics
Highlights
- ✓ Large sifting globe with excellent waste separation
- ✓ Weight + laser sensors track each cat safely
- ✓ Whisker app: usage, weight and health insights
- ✓ OdorTrap carbon filtration
Our take
The self-cleaning box reviewers measure the rest against: Wirecutter's long-standing top pick, with reliable sifting, layered safety sensors and the deepest app health tracking of any box. It's expensive and large, but nothing else matches its consistency and support.
Pros & Cons
Pros
- + Most reliable self-cleaning of any box
- + Excellent safety sensors for all cat sizes
- + Deep app with per-cat health tracking
- + Strong build quality and support
Cons
- − Very expensive
- − Large footprint
- − Whisker+ subscription for some insights
Review sources
We aggregate scores from these sources. Each source is weighted by credibility tier.
Top Pick
Best Overall
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