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The Whisker Litter-Robot 4 is a self-cleaning automatic litter box that sifts waste into a sealed drawer, reducing scooping and odor. It suits up to four cats and connects to an app for usage monitoring. The best new price is $699 at Amazon as of November 5, 2026, which is at the low end of its recent range.
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Lowest price we've seen: $699.00 on Nov 5 at Amazon. Tracked across 2 stores since Nov 5.
Reviewers generally praise the Litter-Robot 4 for its quiet operation, odor control, and reduced litter changes. Some owners report reliability issues, such as mid-cycle stops and a build quality that feels worse than earlier models.
Litter-Robot® 4 Automatic Self-Cleaning Cat Litter Box by Whisker
