Litter-Robot EVO
By Arina Nikoliukina · Reviewed · Updated · Prices and recalls checked 10/14/2026
9.5OF 10
Outstanding
- Cat weight
- 3–19 lb
- Cats (max)
- 2
- Type
- Rotating globe
- App required
- No
- Subscription
- No subscription
- First-year cost
- $718
Real cost, first year
10/14/2026| Device | $599 | $599 |
|---|---|---|
| Shipping | $0 | free to the contiguous US per the vendor page |
| Plan (12 months) | $0 | no plan needed |
| Consumables (12 months) | $119 | Waste Drawer Liners $25, every 8 days · Litter-Robot Carbon Filters $12, every 30 days |
| First-year cost | $718 | plus sales tax — varies by state |
| Each year after | $119 | plan and consumables at the vendor's intervals |
Category median first-year cost in our database: $622.50.
Specs and sources
Checked 10/09/2026 · source under each valueSize & pets
Manual on cat sizeManual p3: 'Always ensure that any cat in your household that might use the Litter-Robot weighs at least 3 pounds. Cats must weigh 3 pounds or more to safely use the Litter-Robot in…'; p37: 'The Litter-Robot EVO is suitable for cats that weigh between 3 and 19 pounds, including…'; kittens under 3 lb: semi-automatic mode (p37). Product page 3–19 lbs. Entryway 14.85'' x 14.85''; interior height 14.5'' (FAQ) / inside globe 16.50'' depending on litter (manual p7).litter-robot.com · 10/09/2026
Footprint20.6 x 24.3 x 27.6 H (product page; manual p7 20.60 W x 24.30 D x 27.60 H); 'Floor to globe 10.75''' (p7)litter-robot.com · 10/09/2026
Mechanism
Days between emptyings (claimed)'up to 7 days' between emptying for a one-cat household (product page); use-and-care: 'every 8 days' (1 cat), 'every 4 days' (2 cats)litter-robot.com · 10/09/2026
LitterManual p11: clumping clay recommended, 'approximately 0.8 gallons (3L) of litter by volume'; getting-started: 'Litter-Robot's litter sifting system works best with clay-clumping litter'; not strictly absorbent, non-clumping, loose-clumping, newspaper-based, wood pellets; translucent/white litter may affect Drawer Full Indicator.litter-robot.com · 10/09/2026
Sensors (vendor wording)Vendor: 'The unit relies on weight sensors to detect when your cat enters and exits the globe.' Manual p22: 'SmartScale Weight Sensors located in the Base… If additional weight is detected during a cycle, the Globe will stop. After 15 seconds of the additional weight exiting, the Globe rotation will resume.'; p27: 'Cat Sensing system utilizes Weight Sensors'; p38 FAQ: 'enhanced safety technology that uses optical sensors, weight sensors, and obstruction…' (manual text mentions optical sensors; product page names weight sensors only). Cycle delay default ~7 min, up to 30 min. Noise: 'QuietSift® technology that minimizes noise during the Clean Cycle. With the new 1-vs-2 algorithm…' (p37) — no dB.litter-robot.com · 10/09/2026
Power & connectivity
Wi-Fi'requires a 2.4 GHz WiFi signal and IPv4 or IPv6 addressing (5 GHz band not supported)' (product page)litter-robot.com · 10/09/2026
App & subscription
App privacy labelSame Whisker app as the Litter-Robot 4 (Google Play 4.7 over ~60,000 reviews on 2026-10-14). App Store label: Data Linked to You — Contact Info, Identifiers, User Content (Photos or Videos), Usage Data; Data Used to Track You — Contact Info, Identifiers.apps.apple.com · 10/09/2026
Without a planWhisker+ page: 'SmartScale identification and weight tracking stay free on the EVO, 4, 5, and 5 Pro'. Manual p22: 'Additional SmartScale® insights and enhanced pet identification and weight…' are the paid layer. Unit has LCD screen and buttons (manual p20); semi-automatic mode works with power button only (getting-started page). Vendor does not state EVO offline behaviour explicitly; LR4 FAQ says robot self-cleans without Wi-Fi.litter-robot.com · 10/09/2026
Consumables
Waste Drawer Liners$25 · 25-pack (10/$12, 50/$35) · every 8 days (vendor)litter-robot.com · 10/09/2026
Litter-Robot Carbon Filters$12 · 2-pack (6-pack $30) · every 30 days (vendor)litter-robot.com · 10/09/2026
Safety & recalls
Buying
FinancingAffirm 0%–36% APR, 3/6/12/18 months (whisker.com/financing). EVO page: 'Buy now, pay over time' link, no monthly figure; search snippet '$38/mo' (unverified).whisker.com · 10/09/2026
Warranty1 yr · extended: WhiskerCare 3-Year $99 (EVO); 'never deductibles or hidden fees'litter-robot.com · 10/09/2026
Returns90 days · none listed; '$75 cleaning fee' if returned with litter or wastelitter-robot.com · 10/09/2026
SupportPhone 1-877-250-7729; live support Mon–Fri 9AM–9PM EST, Sat–Sun 9AM–5PM EST; chat; ticket. Error articles: https://www.litter-robot.com/support/article/litter-robot-evo-error-messages/ ; position fault: https://www.litter-robot.com/support/article/litter-robot-evo-position-fault/vendor support page
Brand page or manualRegulator database (CPSC)
Where to buy
Prices checked 10/14/2026litter-robot.com · official$599checked 10/14/2026
Petsmart$599.99checked 10/09/2026 · item 5377620
Prices as printed on the store page on the date shown, before sales tax; stock and bundles differ by store.
Compared with similar self-cleaning litter boxes
All 28 self-cleaning litter boxes →| Model | Score | Price | Subscription | 1st-year cost | Cat weight | Cats (max) | Warranty | Actions |
|---|---|---|---|---|---|---|---|---|
 Casa Leo Leo's Loo Too | 9.75/10 | $599.99 | No subscription | $731 | 3–20 lb | 4 | 1 yr | See specs → |
 PETKIT Purobot Max Pro 2 Automatic Cat Litter Box (Fence 2.0 Included) | 9.5/10 | $499.99 sale / $599.99 list | Subscription optional | not enough data (plan) | 3.3–22 lb | not listed by PETKIT | 2 yrs | |
 Litter-Robot EVO | 9.5/10 | $599 | No subscription | $718 | 3–19 lb | 2 | 1 yr | |
 Homerunpet Self Cleaning Litter Box for Large Cats | 9.25/10 | $699 | No subscription | not enough data (consumables interval) | not listed by HomeRunPet | not listed by HomeRunPet | 1 yr | See specs → |
 CATLINK AI 5GHz Camera Cat Litter Box - Scooper Pro Ultra | 9/10 | $599 | Subscription optional · $19.90/yr | $822 | 3.3–22 lb | 5 | 1 yr |
What owners say
Checked 10/09/2026Owner reviewsToo few independent ratings
8owner reviews read on App Store, Trustpilot
Not enough owner reviews read yet (8 read on App Store, Trustpilot), so no Owner Complaint Index for this model: we publish it from 50 reviews.
- Vendor (litter-robot.com)brand's own site, not counted · 10/09/2026 · 35 five-star, 17 four-star, none lower shown4.7/552 reviews
- PetSmart10/09/20267 reviews
- App Store3 read · 10/09/20264.8/5148,000 ratings
- Trustpilot (seller)about the seller · 5 read · 10/09/20263.3/5609 reviews
Mixed, or too few independent ratings to call. In our score this is 1.75 of 2 points. How we score
Vendor (litter-robot.com) shows 4.7/5 from 52 reviews on its own page; brand-site reviews are not counted in the score.
Praise that comes up again
- compact footprint for 1–2 cats / small spaces (technomeow, vetstreet)
- quieter than prior models (vetstreet DVM, no numbers)
Praise
“The Litter-Robot EVO is certainly a helpful household tool for many cat parents, including me.”
Complaint
“If you already have the EVO and are getting a ton of position fault errors, update the firmware.”
Quotes are word for word from the linked pages, and we pick praise and complaints alike. Reviews on the brand's own site and reviews written for a free product are not counted. Store ratings change over time; the date shows when we checked.