CATLINK Luxury Self-Cleaning Litter Box vs CatGenie 120 Self-Washing Self-Flushing Cat
Both made our Best Cat Litter Boxes for Multi-Cat Households shortlist, at #1 and #2. Here's how they differ and who each one suits.
- BuyOnceRight Research Desk
- Updated
- 4 min read
Quick verdict
Choose the CATLINK Luxury Self-Cleaning Litter Box if you want sifts after every single use, so cat two never finds a dirty box left by cat one. Choose the CatGenie 120 Self-Washing Self-Flushing Cat Box if you'd rather have the washable granules mean you never run out of litter mid-week with multiple cats generating heavy volume. Overall we rank the CATLINK Luxury Self-Cleaning Litter Box higher: #1 versus #2 in our Best Cat Litter Boxes for Multi-Cat Households list.
Winner overall: CATLINK Luxury Self-Cleaning Litter Box
CATLINK Luxury Self-Cleaning Litter Box vs CatGenie 120 Self-Washing Self-Flushing Cat Box compared
Every difference that matters, in one table.
| Attribute | ||
|---|---|---|
| Our ranking | #1 of 6 in Best Cat Litter Boxes for Multi-Cat Households | #2 of 6 in Best Cat Litter Boxes for Multi-Cat Households |
| Pick label | Top pick | |
| Brand | CATLINK | CatGenie |
| Key features | Enclosed globe sifting design; Pinch-guard safety sensors; WiFi app with per-cat weight tracking | Washable, reusable granules; Connects to a water line for self-washing and flushing; SaniSolution cartridge for sanitizing |
| Biggest strength | Sifts after every single use, so cat two never finds a dirty box left by cat one | The washable granules mean you never run out of litter mid-week with multiple cats generating heavy volume |
| Main trade-off | Interior space is sized for cats up to roughly 20 pounds, large multi-cat breeds may find it tight | Requires a water line and drain hookup, a real installation step most other boxes don't need |
| Best for | multi cat households | multi cat households |
Which should you buy?

#1 pick · Top pick
Choose the CATLINK Luxury Self-Cleaning Litter Box if…
- Sifts after every single use, so cat two never finds a dirty box left by cat one
- App tracks individual cat weight and visit frequency per cat, useful for spotting health issues early in a multi-cat home
- Waste drawer capacity comfortably handles 2 to 3 cats between changes
Best for: multi cat households
Prefer the alternative? See the CatGenie 120 Self-Washing Self-Flushing Cat Box section.

#2 pick
Choose the CatGenie 120 Self-Washing Self-Flushing Cat Box if…
- The washable granules mean you never run out of litter mid-week with multiple cats generating heavy volume
- Full wash-and-flush cycle sanitizes the granules rather than just sifting waste out
- Long-term litter cost is lower than any disposable-litter system once installed
Best for: multi cat households
Prefer the alternative? See the CATLINK Luxury Self-Cleaning Litter Box section.
Pros and cons of each
CATLINK Luxury Self-Cleaning Litter Box
Pros
- Sifts after every single use, so cat two never finds a dirty box left by cat one
- App tracks individual cat weight and visit frequency per cat, useful for spotting health issues early in a multi-cat home
- Waste drawer capacity comfortably handles 2 to 3 cats between changes
- Enclosed globe reduces litter tracking better than open-tray designs
Cons
- Interior space is sized for cats up to roughly 20 pounds, large multi-cat breeds may find it tight
- A single unit still isn't a full substitute for the one-box-per-cat-plus-one rule
CatGenie 120 Self-Washing Self-Flushing Cat Box
Pros
- The washable granules mean you never run out of litter mid-week with multiple cats generating heavy volume
- Full wash-and-flush cycle sanitizes the granules rather than just sifting waste out
- Long-term litter cost is lower than any disposable-litter system once installed
Cons
- Requires a water line and drain hookup, a real installation step most other boxes don't need
- Granules can clog with heavy multi-cat use if cycles aren't frequent enough
- Lower average rating than the CATLINK Luxury Self-Cleaning Litter Box, largely tied to clogging complaints in busy households
CATLINK Luxury Self-Cleaning Litter Box vs CatGenie 120 Self-Washing Self-Flushing Cat Box: common questions
Which is better, the CATLINK Luxury Self-Cleaning Litter Box or the CatGenie 120 Self-Washing Self-Flushing Cat Box?
Choose the CATLINK Luxury Self-Cleaning Litter Box if you want sifts after every single use, so cat two never finds a dirty box left by cat one. Choose the CatGenie 120 Self-Washing Self-Flushing Cat Box if you'd rather have the washable granules mean you never run out of litter mid-week with multiple cats generating heavy volume. Overall we rank the CATLINK Luxury Self-Cleaning Litter Box higher: #1 versus #2 in our Best Cat Litter Boxes for Multi-Cat Households list.
What is the difference between the CATLINK Luxury Self-Cleaning Litter Box and the CatGenie 120 Self-Washing Self-Flushing Cat Box?
The CATLINK Luxury Self-Cleaning Litter Box stands out because sifts after every single use, so cat two never finds a dirty box left by cat one, while the CatGenie 120 Self-Washing Self-Flushing Cat Box stands out because the washable granules mean you never run out of litter mid-week with multiple cats generating heavy volume. The trade-offs differ too: the CATLINK Luxury Self-Cleaning Litter Box's main caveat is that interior space is sized for cats up to roughly 20 pounds, large multi-cat breeds may find it tight, and the CatGenie 120 Self-Washing Self-Flushing Cat Box's is that requires a water line and drain hookup, a real installation step most other boxes don't need.
Is the CATLINK Luxury Self-Cleaning Litter Box worth it over the CatGenie 120 Self-Washing Self-Flushing Cat Box?
For most buyers, yes: it's our #1 pick. Consider the CatGenie 120 Self-Washing Self-Flushing Cat Box instead if interior space is sized for cats up to roughly 20 pounds, large multi-cat breeds may find it tight is a deal-breaker for you.
Who should buy the CatGenie 120 Self-Washing Self-Flushing Cat Box instead of the CATLINK Luxury Self-Cleaning Litter Box?
The CatGenie 120 Self-Washing Self-Flushing Cat Box suits multi cat households, while the CATLINK Luxury Self-Cleaning Litter Box is best for multi cat households.