Whisker Litter-Robot 4
Whisker's WiFi-connected sifting-globe litter box with SmartScale weight tracking and a sealed, carbon-filtered waste drawer.
- Cat weight
- 3 lb minimum
- Warranty
- 12 months
- Availability
- Buy now
Specifications
14/21 published
| Multi-cat suitable | Yes |
|---|---|
| Minimum cat weight | 3 lbs |
| Maximum cat weight | Not published |
| 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 | SmartScale weight sensor starts a countdown after the cat exits (3 lb minimum to register) |
| 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 | Not published |
| Operating noise | Not published |
| Power source | AC power |
| 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
- $699
- List price · checked Oct 27, 2026
- Whisker lists the unit from $699; colour and bundle options raise the price.
- Last change
- No change recorded
- Sep 11, 2026$699Buy now
Where this price sits in the category
At $699, the Whisker Litter-Robot 4 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 4 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 Attributes either model leaves unpublished are excluded rather than guessed.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 5
12 published attributes are identical on both models.
vs Whisker Litter-Robot 5 Pro
12 published attributes are identical on both models.
vs Whisker Litter-Robot EVO
12 published attributes are identical on both models.
What Whisker does not publish for this model
Whisker does not publish 7 of the attributes we track for the Litter-Robot 4, listed below. Those rows read Not published rather than carrying an estimate.
- Maximum cat weight
- Waste drawer capacity
- Entry height
- Interior dimensions
- Footprint
- Operating noise
- Battery backup
Litter-Robot 4 questions answered from published data
- How much does the Litter-Robot 4 cost?
- Whisker lists the Whisker Litter-Robot 4 at $699.
- What are the Litter-Robot 4 specifications?
- Whisker publishes multi-cat suitable of Yes, proprietary litter required of No, and app control of Yes for the Whisker Litter-Robot 4. In total 14 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 4 with multi-cat suitable?
- Yes. Whisker lists multi-cat suitable as included on the Whisker Litter-Robot 4.
- How does the Litter-Robot 4 compare to the Litter-Robot 5?
- On manufacturer-published figures: Both models publish the same figures on 12 of the attributes we track. Every attribute either model publishes is set side by side on our comparison, with unpublished figures marked rather than guessed.
- Litter-Robot 4 vs Litter-Robot 5 →
- Can you buy the Litter-Robot 4?
- We record the Whisker Litter-Robot 4 as buy now. A real purchase path exists for a buyer in the US today.
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