Whisker Litter-Robot EVO
Available from the manufacturer's official US store.
Compact Litter-Robot for up to two cats (3–19 lb), with QuietSift cleaning, sealed carbon-filtered waste drawer, and Whisker app monitoring.
Litter-Robot EVO dimensions: 20.6 x 24.3 in (footprint as published by Whisker).
- Dimensions
- 20.6 x 24.3 in
- Cat weight
- 3–19 lb
- Warranty
- 12 months
- Availability
- Buy now
Specifications
16/21 published
| Multi-cat suitable | Yes |
|---|---|
| Minimum cat weight | 3 lbs |
| Maximum cat weight | 19 lbs |
| Waste drawer capacity | Not published |
| Litter type required | Clumping clay litter |
| Proprietary litter required | No |
| Proprietary waste bags required | No |
| Subscription required | No |
| Cleaning cycle trigger | Weight sensors start the cycle after the cat exits |
| Adjustable cycle delay | Yes |
| App control | Yes |
| Weight sensing | Yes |
| Health monitoring | Yes |
| Odor control method | Sealed waste drawer with carbon filter |
| Entry height | Not published |
| Interior dimensions | Not published |
| Footprint | 20.6 x 24.3 in |
| Operating noise | Not published |
| Power source | 15 Volt DC / AC adapter |
| Battery backup | Not published |
| Warranty | 12 months |
Values entered only where Whisker publishes them. We do not estimate, interpolate, or copy figures from reviews.
No active recall, checked 14 September 2026. How we check
Price & availability tracking
Methodology →- Current list price
- $599
- List price · checked Oct 27, 2026
- Manufacturer starting price on whisker.com ("as low as $599"); bundles cost more.
- Last change
- No change recorded
Where this price sits in the category
At $599, the Whisker Litter-Robot EVO sits above the $399.99 median list price of the 45 robot litter boxes we track with a published price, in a range running from $129.99 to $999.
- Category low
- $129.99
- Median of 45
- $399.99
- Category high
- $999
Computed from manufacturer list prices held in the database when this page was rendered.
How the Litter-Robot EVO differs from other Whisker models
Straight differences in the figures Whisker publishes for each model in this category. Attributes either model leaves unpublished are excluded rather than guessed.
vs Whisker Litter-Robot 4
12 published attributes are identical on both models.
vs Whisker Litter-Robot 5
Lower on the Litter-Robot EVO
Maximum cat weight: 19 lbs on the Litter-Robot EVO against 30 lbs on the Litter-Robot 5.
11 published attributes are identical on both models.
vs Whisker Litter-Robot 5 Pro
Lower on the Litter-Robot EVO
Maximum cat weight: 19 lbs on the Litter-Robot EVO against 30 lbs on the Litter-Robot 5 Pro.
11 published attributes are identical on both models.
What Whisker does not publish for this model
Whisker does not publish 5 of the attributes we track for the Litter-Robot EVO, listed below. Those rows read Not published rather than carrying an estimate.
- Waste drawer capacity
- Entry height
- Interior dimensions
- Operating noise
- Battery backup
Litter-Robot EVO questions answered from published data
- How much does the Litter-Robot EVO cost?
- Whisker lists the Whisker Litter-Robot EVO at $599.
- What are the Litter-Robot EVO dimensions?
- Whisker publishes the Litter-Robot EVO footprint as 20.6 x 24.3 in.
- What are the Litter-Robot EVO specifications?
- Whisker publishes multi-cat suitable of Yes, maximum cat weight of 19 lbs, proprietary litter required of No, and app control of Yes for the Whisker Litter-Robot EVO. In total 16 of the 21 robot litter boxes attributes we track are published for this model; the rest read Not published.
- Does Whisker list the Litter-Robot EVO with multi-cat suitable?
- Yes. Whisker lists multi-cat suitable as included on the Whisker Litter-Robot EVO.
- How does the Litter-Robot EVO compare to the Litter-Robot 5 Pro?
- On manufacturer-published figures: The Litter-Robot 5 Pro lists a higher maximum cat weight. Every attribute either model publishes is set side by side on our comparison, with unpublished figures marked rather than guessed.
- Litter-Robot EVO vs Litter-Robot 5 Pro →