Our verdict
Pick Tidy Cats Free & Clean for clay clumps with activated charcoal at a lower price. Pick World's Best Multiple Cat for a lighter, natural corn litter.
The central trade-off
Material. Clay with charcoal versus whole-kernel corn.
Both. Unscented and made for multiple cats.
Side by side
| Specification | Purina Tidy Cats Free and Clean Unscented Clumping Litter | World's Best Cat Litter Multiple Cat Unscented |
|---|---|---|
| Made from | Clay | Corn |
| Scent | Unscented | Unscented |
| Form | clumping | Loose Granules |
| Bag weight | 38 pounds | 32 pounds |
Values are the makers' published specifications. "Not stated" means the maker doesn't publish it.
Which should you choose?
Choose the Purina Tidy Cats Free and Clean Unscented Clumping Litter if
- Clay clumps
- Charcoal odor control