Best for: Multi-cat homes that want zero perfume
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Updated November 2026 · 10 products compared
Litter that still smells, treats that quietly become meals, flea care that lapses — we compare ten everyday supplies for cats and dogs on what the listing actually says, and publish the math behind every score.

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Start with your problem
The shortlist
Different categories, same rule: the score is calculated from the listing specifications — here is the math. We have not tested these products in person; reviews are research-based and say so.
Best for: Multi-cat homes that want zero perfume
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Best for: Cats whose owners want 8 months without monthly doses
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Best for: Picky eaters who love gravy — and owners who hate storing leftovers
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How lapomio works
Every fact on this site — pack size, duration, dose, formula — comes from the product's listing and the brand's own specifications.
See it in the #1 reviewEach category has published criteria and weights. The Spec score is arithmetic you can re-run yourself — brand statements count only as labeled claims.
The scoring pageNo invented ratings, no prices that go stale, no hands-on claims we cannot back. Where we have not tested, the page says exactly that.
Seresto — 8 months, one fittingHead-to-head
Dr. Elsey's Ultra · 9.3
ARM & HAMMER Slide · 8.6Guides
5 things to check before you buy — each one an attribute from the listings themselves.
5 things to check before you buy — each one an attribute from the listings themselves.
5 things to check before you buy — each one an attribute from the listings themselves.