Whisker · Updated June 2026
Litter-Robot 4: price, specs & release date
Litter-Robot 4, released 2022. Every price and spec below is linked to its source and dated — no guesses.
Source: whisker.com verified ✓ corroborated verify in ledger
The Litter-Robot 4 is listed at $699 on whisker.com as of 2026-06-27, the most expensive self cleaning litter boxes (median $464); other retailers may be lower. It earns a Silver Deskmark — 25/100 pay-blind standing, #2 of 2 in class.
Verified Jun 27, 2026 · figures linked to their source in the table below
Cheapest self cleaning litter boxes: PetSafe ScoopFree Crystal Smart — $269.99
- Best for Near-silent operation; Helpful app with litter/waste alerts and cat activity + weight tracking.
- Skip if Very high ~$699 price is a dealbreaker.
Is the Litter-Robot 4 a good buy?
At $699, the Litter-Robot 4 is the most expensive of the 10 self cleaning litter boxes we track, where the median is $524.
Evidence of Record
Our dataNo independent lab has measured this product yet. 2 outlets have it on record by mention only, with no hands-on measurements published to weigh its claims against — a gap in the evidence, not a verdict on the product.
Review consensus · sourced & dated
What reviewers say about the Litter-Robot 4
Two whitelisted hands-on testers (Engadget, USA Today's Reviewed) rate the Litter-Robot 4 the best self-cleaning litter box despite its ~$699 price. Both praise near-silent operation and the companion app; both flag cat-sensor quirks and the high price. Engadget flags litter tracking; Reviewed flags the short one-year warranty and ongoing odor-filter replacement cost. All six quotes were verified as literal substrings of the fetched review text.
Based on 2 reviews · 2 lab-tested · 2023-03-14–2025-02-25
Consistently praised
- Near-silent operation · 2 sources
- Helpful app with litter/waste alerts and cat activity + weight tracking · 2 sources
- Strong odor control, no detectable smell
- Roomier, sleeker, smaller design than the LR3
Commonly flagged
- Very high ~$699 price · 2 sources
- Cat-detection sensor faults / reliability quirks · 2 sources
- Litter gets tracked onto the floor (open design)
- Short one-year standard warranty
Where reviewers disagree Reliability splits sharply: Engadget (three cats, months of testing) hit three-to-four faults weekly and wouldn't trust it alone for a week, while Reviewed (one cat plus a kitten, ~three weeks) needed to intervene only once. Testing duration, cat count, and cat size likely drive the gap.
The sources (2)
I noticed something strange: I couldn't smell any poop or pee!
sometimes it didn't sift properly, occasionally its cat detecting sensors went haywire, and it didn't really prevent litter from reaching my floors.
Still, for $699, I wish it were more reliable. I wouldn't trust it to work for an entire week if my family went on vacation.
the Litter-Robot 4 is virtually silent—the only noise you hear is the litter as it moves around in the machine.
I only needed to intervene with its operation once.
Considering the high price point of the Litter-Robot 4, I don't love that it only comes with a one-year warranty.
Specifications
| Price (US) | $699 MSRP 'as low as $699', base unit (whisker.com) |
|---|---|
| Brand | Whisker |
| Released | 2022 |
| Mechanism | rotating |
| Capacity cats | 4 |
| Waste drawer capacity | 8–13 gal liner (approx. 30–49 L) |
| App connectivity | Yes |
| Weight sensor | Yes |
| Litter type | clumping |
| Dimensions (in) | 22 x 27 x 29.5 in |
Source: whisker.com (verified 2026-06-19) · corroborated by litter-robot.com. Price ('as low as $699'), 22x27 in footprint x 29.5 in height, up to 4 cats (3-25 lbs), 24 lb empty weight, SmartScale weight sensor and 2.4 GHz Wi-Fi app all confirmed on whisker.com 2026-06-19. Release announced May 10, 2022 (Whisker PR Newswire). Waste drawer expressed as liner size; manufacturer states up to 8 days single-cat between empties.
Is the Litter-Robot 4 worth it vs cheaper self cleaning litter boxes?
Litter-Robot 4 against its closest cheaper and pricier self cleaning litter boxes on the specs that matter — every value sourced. See all 10 ranked
| Product | Price | Mechanism | Capacity cats | Waste drawer capacity | App connectivity | Weight sensor |
|---|---|---|---|---|---|---|
| Litter-Robot 4 this | $699 | rotating | 4 | 8–13 gal liner (approx. 30–49 L) | Yes | Yes |
| Leo's Loo Too | $599.99 | rotating | 4 | 9.5 L | Yes | Yes |
Frequently asked questions
What do reviewers say about the Litter-Robot 4?
Two whitelisted hands-on testers (Engadget, USA Today's Reviewed) rate the Litter-Robot 4 the best self-cleaning litter box despite its ~$699 price. Both praise near-silent operation and the companion app; both flag cat-sensor quirks and the high price. Engadget flags litter tracking; Reviewed flags the short one-year warranty and ongoing odor-filter replacement cost. All six quotes were verified as literal substrings of the fetched review text. Praised: Near-silent operation; Helpful app with litter/waste alerts and cat activity + weight tracking; Strong odor control, no detectable smell; Roomier, sleeker, smaller design than the LR3. Flagged: Very high ~$699 price; Cat-detection sensor faults / reliability quirks; Litter gets tracked onto the floor (open design); Short one-year standard warranty; Ongoing cost of frequent odor-filter replacement. (From 2 tester reviews, 2 lab-tested.)
How much does the Litter-Robot 4 cost?
The Litter-Robot 4 has a US price of $699 (MSRP 'as low as $699', base unit (whisker.com)), as of 2026-06-19.
How does the Litter-Robot 4 compare on price?
At $699, the Litter-Robot 4 is the most expensive of the 10 self cleaning litter boxes we track, where the median is $524.
When was the Litter-Robot 4 released?
The Litter-Robot 4 was released 2022.
What are the Litter-Robot 4's key specs?
Litter-Robot 4 (Whisker): mechanism rotating, capacity cats 4, waste drawer capacity 8–13 gal liner (approx. 30–49 L), app connectivity Yes, weight sensor Yes. Full sourced spec sheet verified 2026-06-19.
Price of record: $699 at whisker.com, 2026-06-27. Other retailers may be lower — check the current price:
See Litter-Robot 4 on Amazon As an Amazon Associate we earn from qualifying purchases.Similar self cleaning litter boxes
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