9 Best Compact Automatic Litter Boxes (October 2026)
The best compact automatic litter boxes include the PetSafe ScoopFree Crystal Pro Legacy Self-Cleaning Litter for a very narrow floor space, the Neakasa M1 Plus Automatic Cat Litter Box for open-top access, and the Puemin Automatic Litter Box for simple button controls.
On this page (5 sections)
The best compact automatic litter box depends on which measurement limits your space. PetSafe’s uncovered ScoopFree has the narrowest listed depth at 7.13 in, while Neakasa, Puemin and Cumrige offer automatic cleaning in bodies around 20 to 22 in deep.
Measure the spot before choosing a model. Include room to reach the waste bin or tray, open nearby doors, and let your cat enter and turn.
For a general overview of styles and how they work, start with Automated Litter Box for Cats: Explained. If you're weighing convenience against daily scooping, Do Automatic Cat Litter Boxes Really Work? covers the tradeoffs.
Our picks at a glance
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Best for a very narrow floor spacePetSafe ScoopFree Crystal Pro Legacy Self-Cleaning Litter
9.7/10 our score
See it on Amazon -
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- 4
Best for a larger waste binCheck it - 5
Check itAmazon Basics No-Mess Hooded Enclosed Cat Litter
Best for a compact manual alternative - 6
Check itMimfam Automatic Self Cleaning Litter Box
Best for top-entry preference - 7
Best for manual controls and visibilityCheck it - 8
Best for a washable trayCheck it - 9
Check itPETKIT PuraMax 2 Odor Free Automatic Cat
Best for low entry and odor features
Which compact automatic litter box fits your space?
The PetSafe is the narrowest by its listed dimensions, while the Neakasa M1 Plus is a strong open-top option with a larger body. We compared listed size, entry style, controls and waste handling to match each model to a different space constraint.
Our score weighs specs, features and buyer feedback against what you're shopping for. The dimensions below describe the full units, so confirm the exact orientation and service clearance you need before choosing a spot.
| Product | Best for | Dimensions | Access | Litter | Our score |
|---|---|---|---|---|---|
| PetSafe ScoopFree Crystal Pro Legacy Self-Cleaning Litter | a very narrow floor space | 20.38 x 7.13 x 28 in | Uncovered, open top | Non-clumping crystal litter | 9.7 |
| Neakasa M1 Plus Automatic Cat Litter Box | open-top access | 22 x 20 x 26 in | Open top | 9.7 | |
| Puemin Automatic Litter Box | simple button controls | 21.6 x 20.3 x 24.07 in | Wide opening with 15 cm step | 9.7 | |
| Cumrige Automatic Litter Box | a larger waste bin | 19.69 x 21.65 x 26.18 in | 9.6 | ||
| Amazon Basics No-Mess Hooded Enclosed Cat Litter | a compact manual alternative | 20.67 x 15.75 x 14.96 in | 9.5 | ||
| Mimfam Automatic Self Cleaning Litter Box | top-entry preference | 21.26 x 20.28 x 24.02 in | Top entry | 9.5 | |
| wozhio Automatic Litter Box | manual controls and visibility | 21.08 x 21.85 x 15.73 in | Open top | 9.4 | |
| Fumoi Automatic Litter Box | a washable tray | 23 x 22.99 x 20 in | 9.3 | ||
| PETKIT PuraMax 2 Odor Free Automatic Cat | low entry and odor features | 24.21 x 21.96 x 21.96 in | 9.1 |
PetSafe ScoopFree Crystal Pro Legacy Self-Cleaning Litter: Best for a very narrow floor space
- 20.38 x 7.13 x 28 in
- Uncovered design
- Removable rake
- Crystal litter system
Its listed footprint is unusually narrow, and the open top makes the tray easy to check. It uses disposable crystal litter trays instead of a conventional clumping litter setup.
Pros
- Narrow listed footprint
- Open top for visual access
- Health counter tracks visit frequency
Cons
- Uses disposable crystal litter trays
- Only 7.13 in deep, so compare usable litter area with your cat’s needs
PetSafe’s ScoopFree Crystal Pro Legacy is the first model to measure if you have a narrow spot. Its listed dimensions are 20.38 x 7.13 x 28 in, and the uncovered design leaves the tray visible for quick checks.
The shallow depth is its main space advantage, but it also makes this a different fit from deeper, enclosed automatic boxes. Consider whether the usable litter area and open sides suit your cat, then account for the height and the space needed to slide the disposable tray out.
This system uses non-clumping crystal litter in a disposable tray. A rake moves waste into a covered compartment after visits, and a health counter logs visit frequency.
PetSafe says one cat household may go up to 30 days without scooping, with more frequent tray changes needed in multi-cat homes.
Choose it when floor depth is the tightest constraint and you want open access. If you want a deeper open-top unit, compare the different types of automatic litter boxes before deciding.
Neakasa M1 Plus Automatic Cat Litter Box: Best for open-top access
- 22 x 20 x 26 in
- Open top
- 11.2 L waste bin
- App control
The open-top design offers a less enclosed feel, with a listed footprint of 22 x 20 in. Its app tracks activity and supports up to 3 cats, but it needs 2.4 GHz Wi-Fi for app features.
Pros
- Open-top design
- Activity tracking for multiple cats
- 2-year protection plan
Cons
- Deeper footprint than the narrowest pick
- App control requires 2.4 GHz Wi-Fi
The Neakasa M1 Plus suits a space that can spare 22 x 20 in of floor area and where an open top is preferred. For another open-top model, read our CATLINK Scooper Open-X review.
Its body is 26 in high, so check nearby shelves and windowsills as well as floor clearance.
The 7.2 L litter capacity and 11.2 L waste bin support less frequent emptying, according to Neakasa’s stated 7–14 day range. Its app works over 2.4 GHz Wi-Fi and tracks activity for multiple cats.
This model is a better match for owners who want an open design and app controls than for a narrow hallway or a corner with only a few inches of depth. It also includes a 2-year protection plan.
Choose it when open access and tracking matter, and measure the actual waste-bin pullout path. For odor priorities, see our guide to the best automatic litter box for odor control.
Puemin Automatic Litter Box: Best for simple button controls
- 21.6 x 20.3 x 24.07 in
- Three buttons
- 8 L waste bin
- 15 cm step
This model avoids app and Wi-Fi setup, with three buttons for everyday functions. The step may suit cats that find higher entrances difficult, but measure its roughly 20 in depth.
Pros
- No app or Wi-Fi required
- Low 15 cm step
- 8 L waste bin
Cons
- About 20 in deep
- Stated cat weight range is 3–18 lb
Puemin keeps controls simple with three buttons and no app or Wi-Fi setup. The unit measures 21.6 x 20.3 x 24.07 in, so it needs a deeper footprint than PetSafe’s shallow design.
A 15 cm step and wide opening are intended to make entry easier for kittens, senior cats and short-legged cats. The stated cat weight range is 3–18 lb, and the waste bin holds 8 L.
This can suit a small room where wireless setup is undesirable but roughly 20 in of floor depth is available. The unit comes mostly assembled and is described as ready in about 3 minutes.
Choose it for direct controls and a lower step, after checking that its opening and weight range fit your cat. If you are considering an enclosed model instead, our guide explains what an enclosed automatic litter box is.
Cumrige Automatic Litter Box: Best for a larger waste bin
- 19.69 x 21.65 x 26.18 in
- 15 L waste bin
- App control
- Safety sensors
Its base is under 20 in wide in one dimension, while the 15 L waste bin is larger than several compact models here. Check the full footprint and app requirements before setting aside a corner.
Pros
- 15 L waste bin
- Safety sensors pause cleaning
- App offers remote controls and tracking
Cons
- App requires 2.4 GHz Wi-Fi
- 30.4 lb unit may be harder to move
Cumrige is a compact-footprint candidate when you want a 15 L waste bin and app controls. Its dimensions are 19.69 x 21.65 x 26.18 in, which makes it wider and deeper than PetSafe but still within the range of several full-size automatic units.
The maker says its sensors pause cleaning when a cat is present. The Tuya Smart app adds remote cleaning, waste disposal, litter change and health tracking, and requires 2.4 GHz Wi-Fi.
At 30.4 lb, it is heavier than most options in this roundup. Pick the permanent location before filling it, and check that you can access the bin and power connection without shifting the unit.
Choose it when waste capacity and app functions matter more than moving the box often. If cleanup access is your main concern, compare the best easy to clean automatic litter box options too.
Amazon Basics No-Mess Hooded Enclosed Cat Litter: Best for a compact manual alternative
- 20.67 x 15.75 x 14.96 in
- Hooded enclosure
- Swinging door
- Carbon filter
This is not automatic, but its smaller listed footprint can be a useful comparison if an automatic unit will not fit. A hood and swinging door contain the litter area.
Pros
- Smaller footprint than many automatic options
- Hooded design with swinging door
- Lightweight at 2.47 lb
Cons
- Manual scooping required
- Not an automatic litter box
The Amazon Basics No-Mess Hooded Enclosed Cat Litter box is not automatic, but its dimensions make it a useful size reference or manual alternative. At 20.67 x 15.75 x 14.96 in, it is shorter and shallower than most automatic units here.
A hood and swinging door help contain litter, while a pre-installed carbon filter is included for odor control. The top lifts off for scooping and litter changes, so leave room above the box to remove it.
Choose it if the automatic models do not fit your available floor area or if you prefer a simpler manual setup. It still requires regular scooping and filter replacement as needed.
Mimfam Automatic Self Cleaning Litter Box: Best for top-entry preference
- 21.26 x 20.28 x 24.02 in
- Top entrance
- 10 L waste container
- Infrared and hall sensors
The top entrance and 10 L waste container suit buyers who want an open-top style and less frequent emptying. Its footprint is about 20 in deep, so it needs more floor area than the PetSafe.
Pros
- 10 L waste container
- Four pairs of infrared sensors and three hall sensors
- Removable bin with disposable liners
Cons
- Top entry may not suit every cat
- 21.26 x 20.28 in footprint
Mimfam’s open-top automatic box uses a top entrance measuring 16.33 x 15.35 in and has a 10 L waste container. The full unit measures 21.26 x 20.28 x 24.02 in, which is close to the footprint of other open-top picks.
Four pairs of infrared sensors and three hall sensors are designed to stop the cleaning cycle when a cat is detected. The removable waste bin and disposable liners make emptying more direct, and the maker states up to 10 days for one cat.
Top entry can affect whether a cat accepts the design, especially if it prefers a front opening. Check the entrance dimensions and give your cat time to adjust.
Choose it if top entry works for your cat and the 20 in depth fits your room. Its waste capacity is useful, but its footprint is not among the shallowest here.
wozhio Automatic Litter Box: Best for manual controls and visibility
- 21.08 x 21.85 x 15.73 in
- Open top
- Three physical buttons
- No app or Wi-Fi
Its listed height is lower than most automatic picks here, and the open top keeps the litter area visible. The roughly 21.08 in by 21.85 in floor footprint still needs careful placement.
Pros
- No wireless setup
- Open top for visibility
- Layered activity monitoring
Cons
- About 21.85 in wide and 21.08 in deep
- No stated waste-bin capacity
wozhio combines an open top with physical buttons and no app or Wi-Fi requirement. Its dimensions are 21.08 x 21.85 x 15.73 in, making it the shortest listed automatic unit in this group.
The lower height can help where overhead clearance is tight, though the base still takes about 21.08 x 21.85 in of floor space. Layered monitoring includes infrared sensors, front-step sensing and a half-gear movement limit.
Three buttons control routine commands, while the collection bin holds separated waste. No capacity is stated, so consider how often you are willing to empty the bin when comparing it with models that give a volume.
Choose it for a low profile and direct controls, provided you have enough floor width and depth. Measure the path to the outlet and the room you need to remove the collection bin.
Fumoi Automatic Litter Box: Best for a washable tray
- 23 x 22.99 x 20 in
- Removable washable tray
- 15 L waste compartment
- App and button controls
The washable tray can make routine maintenance more direct, and the 15 L waste compartment reduces frequent emptying. At nearly 23 in square, it is one of the larger footprints in this group.
Pros
- Removable washable tray
- 15 L waste compartment
- App and physical controls
Cons
- Nearly 23 in wide and deep
- App connection uses 2.4 GHz Wi-Fi
Fumoi is a poor fit for very tight floor space, but its removable washable tray may suit buyers who prioritize maintenance access. The unit measures 23 x 22.99 x 20 in and has a 15 L waste compartment.
It supports app control over 2.4 GHz Wi-Fi, with physical buttons available as well. Infrared sensors are designed to pause operation when a cat approaches, and the maker describes the cleaning cycles as low noise.
Its nearly 23 in square footprint is among the largest in this comparison. Allow room to remove and wash the tray, not just enough space to slide the unit into a corner.
Choose it when a washable tray and larger waste compartment matter more than a narrow footprint. Skip it if your available spot is under 23 in wide or deep.
PETKIT PuraMax 2 Odor Free Automatic Cat: Best for low entry and odor features
- 24.21 x 21.96 x 21.96 in
- 7.87 in low entry
- 76 L interior
- 7 L waste bin
A low entry and sealed waste bin are useful features, but its footprint is wider than the most compact choices here. PETKIT says the 76 L interior suits cats from 3.3 to 22 lb.
Pros
- Low 7.87 in entry
- Seven infrared and four weight sensors
- Sealed waste bin with odor remover
Cons
- 24.21 in long footprint
- Not for young pets under 6 months
PETKIT PuraMax 2 offers a 7.87 in low entry, a 76 L interior and a 7 L waste bin. Its full dimensions are 24.21 x 21.96 x 21.96 in, so plan for a wider body than the compactest choices.
Seven infrared sensors and four weight sensors are designed to detect a cat in or near the unit and pause operation. The app tracks usage and supports cleaning modes over 2.4 GHz Wi-Fi.
The sealed waste bin and N50 2.0 odor remover are part of its odor-control setup. PETKIT says the unit suits cats from 3.3 to 22 lb and advises against use for pets under 6 months.
Choose it when the lower entry and odor features matter and your room can fit its 24 in length. Keep it on a flat floor, as PETKIT warns that carpets or mats can affect the sensors.
How should you measure for a compact automatic litter box?
Measure the floor width and depth available, then compare those numbers with the unit’s full dimensions. Add space for your cat to approach and for you to remove the waste bin, tray or hood.
Check the whole setup, not just the box. A power outlet, door swing, nearby cabinet and the route for carrying a full waste bin can all affect whether the spot works in daily use.
The PetSafe’s listed depth is much smaller than the other automatic models here, but its open tray layout differs from deeper systems. If you need a covered style, account for the extra body depth and any room needed to lift or open its top.
Is an open-top or enclosed compact box better?
An open top can make the litter area easier to see and may feel less enclosed to a cat. It does not guarantee a smaller footprint, so compare the base dimensions and your cat’s preferred entry style.
Enclosed designs can keep waste out of sight and may help contain odor, but their shells can take more space. Check what an enclosed automatic litter box is if you are comparing covered and open styles.
Which compact automatic litter box is easiest to maintain?
A compact box is easier to live with when you can reach its waste compartment and clean or replace the parts it uses. PetSafe uses disposable trays, Neakasa and Cumrige have waste bins, and Fumoi has a removable washable tray.
Check how the emptying step fits your room. A bin that pulls out toward a wall or a tray that needs washing can be awkward if the unit is wedged into a narrow gap.
How do you choose the best compact automatic litter box?
Pick PetSafe if your available floor depth is the main limit and its crystal tray approach works for your cat. Choose Neakasa for an open top with activity tracking, or Puemin if you want simple button controls without app setup.
For a larger waste compartment, compare Cumrige and Fumoi, then reserve enough room to access their bins or tray. If odor control is the deciding factor, use our automatic litter box odor guide alongside the measurements before choosing.
Our top 3 picks at a glance
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1
Best for a very narrow floor space
PetSafe ScoopFree Crystal Pro Legacy Self-Cleaning Litter
9.7/10 our score
See it on Amazon -
2
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3
Frequently asked questions
What makes an automatic litter box compact?
A compact automatic litter box has a footprint that fits your available floor space while leaving room for entry, cleaning and access to the waste bin. Compare width and depth first, then check height and any clearance needed to remove trays or drawers.
A low height alone does not mean a small footprint.
How much space should I leave around an automatic litter box?
Leave enough room for your cat to approach, turn and exit, and for you to reach the waste compartment. The required clearance varies by design, so measure the exact spot and the path you will use to remove trays or bins.
Keep the unit on a flat surface when its instructions require it.
Are open-top automatic litter boxes smaller?
Not always. Open-top designs can feel less enclosed, but their floor footprint may still be around 20 in or more in each direction.
Compare the published width and depth rather than judging size by whether the top is covered.
Can I put an automatic litter box in a small bathroom?
You can if the measured footprint, entry space and waste-bin access all fit without blocking doors or walkways. Check the power cord route and follow the unit’s placement instructions.
A compact unit still needs enough room for a cat to approach comfortably.
How do I choose between an automatic and manual compact litter box?
Choose an automatic model if reducing routine scooping is a priority and you can fit its footprint and maintenance access. A manual box can be much smaller and simpler, but you will need to scoop it yourself.
The Amazon Basics hooded box here is a manual alternative, not an automatic unit.
