CATLINK Open-X vs Litter-Robot 4
Every standardized field on both boxes, lined up. Nothing is retyped — both columns read from the same database as the reviews.
Scores side by side
| Category | CATLINK Open-X | Litter-Robot 4 |
|---|---|---|
| Cleaning | 7.8 | 9.1 |
| Odor control | 7.6 | 8.9 |
| Safety | 8.6 | 9.5 |
| App | 7.6 | 9.0 |
| Maintenance | 8.0 | 8.7 |
| Value | 9.2 | 7.0 |
| Overall | 8.1 | 8.8 |
Cost to own
| Total spend after | CATLINK Open-X | Litter-Robot 4 |
|---|---|---|
| Running cost per year | — | — |
| 1 year | — | — |
| 3 years | — | — |
| 5 years | — | — |
Every specification
Rows where the two differ are highlighted.
Size & fit
| Dimensions (W x D x H) | 23 in L x 21 in W x 23 in H | 22 in W x 27 in D x 29.5 in H |
|---|---|---|
| Floor footprint | 23 x 21 in | 22 x 27 in |
| Entry height | — | — |
| Unit weight | 21.4 lb | 24 lb |
| Minimum cat weight | — | 3 lb |
| Maximum cat weight | — | 25 lb |
| Entry opening | — | 15.75 x 15.75 in |
Capacity & litter
| Waste drawer capacity | 12 L | — |
|---|---|---|
| Litter types accepted | — | Clumping clay, Some silica gel |
| Litter capacity | — | — |
| Interior volume | — | — |
| Rated for multiple cats | Yes | Yes |
| Cats supported | Multi-cat recognition is a paid in-app upgrade | Up to 4 |
Smart features
| Wi-Fi | Yes | Yes |
|---|---|---|
| App | CATLINK (iOS, Android), Bluetooth pairing, 2.4 GHz and 5 GHz | Whisker (iOS, Android) |
| Power | — | 15 V DC |
Odor & noise
| Odor system | Triple-layer odor locking | OdorTrap packs + carbon filter + sealed drawer |
|---|---|---|
| Measured noise | ~30 dB (manufacturer claim) | — |
| Cycle time | — | — |
Safety
| Safety sensors | Nine-point safety system, Always-open incomplete gear design, High-precision weight sensors, Infrared detection, Anti-pinch with 0.1 s emergency stop | — |
|---|
Running costs
| Waste bag type | Standard 8-gallon trash bags (CATLINK bags also sold) | Standard kitchen bags or Whisker drawer liners |
|---|---|---|
| Bag cost per year | — | — |
| Filter cost per year | — | — |
| Warranty | — | 1 year (3-year extended plan $129) |
| Requires proprietary bags | No | No |
Which one, for whom
CATLINK Open-X
Best for
- First-time buyers who do not want to spend $500
- Cats that refuse enclosed boxes
- Single-cat homes
Not ideal for
- Multi-cat homes unwilling to pay for the recognition upgrade
- Homes with two cats of similar weight
- Anyone wanting a published cat weight limit
Litter-Robot 4
Best for
- Multi-cat homes
- People who want it to just work
- Bedrooms and small apartments where noise matters
Not ideal for
- Tight budgets
- Cats over 25 lb
- Homes with no space for a 22 x 27 in footprint