Database / Comparison
Whisker Litter-Robot EVO vs Whisker Litter-Robot 4
16 attributes with data · 5 unpublished by any · Robot Litter Boxes
Slots
- Whisker Litter-Robot EVO
- Whisker Litter-Robot 4
| Attribute | ||
|---|---|---|
| Availability | Buy nowManufacturer US/Canada PDP live; as low as $599 with Add to cart / InStock signals (verified 2026-09-12). | Buy now |
| Price | $599Manufacturer starting price on whisker.com ("as low as $599"); bundles cost more. | $699Whisker lists the unit from $699; colour and bundle options raise the price. |
| Category | Robot Litter Boxes | Robot Litter Boxes |
| Multi-cat suitable↑ | Yes | Yes |
| Minimum cat weight↓ | 3 lbs | 3 lbs |
| Maximum cat weight↑ | 19 lbs | Not published |
| Litter type required | Clumping clay litter | Clumping clay litter |
| Proprietary litter required↓ | No | No |
| Proprietary waste bags required↓ | No | No |
| Subscription required↓ | No | No |
| Cleaning cycle trigger | Weight sensors start the cycle after the cat exits | SmartScale weight sensor starts a countdown after the cat exits (3 lb minimum to register) |
| Adjustable cycle delay↑ | Yes | Yes |
| App control↑ | Yes | Yes |
| Weight sensing↑ | Yes | Yes |
| Health monitoring↑ | Yes | Yes |
| Odor control method | Sealed waste drawer with carbon filter | Sealed waste drawer with carbon filter |
| Footprint | 20.6 x 24.3 in | Not published |
| Power source | 15 Volt DC / AC adapter | AC power |
| Warranty↑ | 12 months | 12 months |
Highlighted values lead the row where an attribute has a defined better direction (↑ higher is better, ↓ lower is better).
Not published by any selected robot
These attributes are part of the comparison set, but no manufacturer here states a value. We leave them blank rather than filling them in.
- Waste drawer capacity
- Entry height
- Interior dimensions
- Operating noise
- Battery backup