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Self Cleaning Litter Boxes

Looking Beyond the PETKIT PuraMax 2 Odor Free? 6 Alternatives Worth a Look

November 4, 2026 6 min read

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You might be looking for petkit puramax 2 odor free alternatives if you need different dimensions or connectivity. The PETKIT PuraMax 2 offers a 76L interior, app health tracking, and sealed odor control. Its low entry and anti-pinch sensors suit multi-cat homes. However, its 22-pound weight and specific 2.4GHz connection may not fit every space or network setup.

The 6 alternatives listed here share key specs with the original. They also feature app control, safety sensors, and low-entry designs. Some provide larger interiors or different weight limits. Others prioritize open-top access over sealed bins. Each option matches the PETKIT PuraMax 2 in core functionality while varying in size and capacity. This allows you to choose based on your cat’s size and your home’s layout. Review the specifications below to find the best fit for your routine.

How each alternative compares

Sousia XXXL Open-Top Litter Box

The Sousia XXXL offers a wider footprint at 26 inches compared to the PuraMax 2’s 22 inches, while remaining slightly shorter. It shares the low-entry design and app-based health tracking, making it suitable for large or senior cats. You lose the sealed waste bin and dedicated odor remover found in the PuraMax 2, opting for an open-top design instead. The Sousia also lacks a specified waste drawer capacity, so you may need to empty it more frequently. Choose this if you prioritize spacious access and app monitoring over contained odor control.

Meowant 75L Open Self-Cleaning Litter Box

The Meowant 75L is lighter at 23.1 pounds and shorter at 16 inches than the PuraMax 2, which is 22 inches tall. It provides a low-entry design and app health monitoring similar to the original. However, it does not specify a sealed waste bin or odor removal system, relying instead on an open-top structure. The interior capacity is listed as 75L, slightly less than the PuraMax 2’s 76L. This model suits owners of older or heavier cats who value accessibility and smart tracking but do not require strict odor containment or a large waste drawer.

Meowant Extra Large Open-Top Litter Box

The Meowant Extra Large features an X-Large size with an open-top design, differing from the PuraMax 2’s low-entry sealed model. It includes app control and anti-pinch protection for safety. Unlike the PuraMax 2, it does not mention infrared sensors or a sealed waste bin, focusing instead on spacious entry. The dimensions are 21 by 26 inches, offering a different footprint than the PuraMax 2’s 24.2 by 22 inches. Pick this option if you need a wide, open space for multi-cat households and prioritize visit tracking over enclosed odor management and low-entry accessibility.

Meowant SC09 Plus 106L Open-Top Litter Box

The Meowant SC09 Plus provides a larger 106L interior than the PuraMax 2’s 76L, along with a low-entry design and app health monitoring. It shares the anti-pinch safety features and multi-cat suitability. However, it uses an open-top design without a sealed waste bin or dedicated odor remover, unlike the PuraMax 2. The unit weighs 22.5 pounds, similar to the PuraMax 2’s 22 pounds. This model fits busy multi-cat homes where you need extra space and smart tracking but are willing to sacrifice the sealed odor control system for greater interior volume and accessibility.

ZHMZ G1 Large Self-Cleaning Litter Box

The ZHMZ G1 is heavier at 33 pounds and taller at 26 inches than the PuraMax 2. It features an open-top design with app control and anti-pinch protection, but lacks the low-entry access and sealed waste bin of the PuraMax 2. It does not specify infrared sensors or detailed health tracking metrics like weight and duration. This litter box suits owners of small to medium cats who prioritize odor containment through a different mechanism and smart monitoring. Avoid this if you have large cats or need the low-step entry and comprehensive health data provided by the PuraMax 2.

UBPET C41 White Open-Top Litter Box

The UBPET C41 is an XX-Large open-top model weighing 30 pounds, significantly heavier than the PuraMax 2. It offers app control and safety sensors for health monitoring, similar to the original. However, it lacks the low-entry design and sealed waste bin, opting for a spacious open top instead. The dimensions are 24.8 inches long, providing a different footprint than the PuraMax 2. Choose this alternative if you own large or senior cats who need easy access and app tracking, and you do not require the enclosed odor control or low-step entry found in the PuraMax 2.

#ProductBest forPrice
1PETKIT PuraMax 2 Self-Cleaning Litter Box Best overallMulti-cat homes needing health tracking
2Sousia XXXL Open-Top Litter Box Best premiumLarge or senior cats needing low entry access
3Meowant 75L Open Self-Cleaning Litter Box Best budgetsenior or overweight cats needing low entry
4Meowant Extra Large Open-Top Litter Box Best x-largeMulti-cat households needing spacious open-top access
5Meowant SC09 Plus 106L Open-Top Litter Box Also greatmulti-cat homes with low-entry needs
6ZHMZ G1 Large Self-Cleaning Litter Box Best largesmall to medium cats needing sealed waste
7UBPET C41 White Open-Top Litter Box Also greatsenior or large cats needing open access
1Best overall
PETKIT PuraMax 2 Self-Cleaning Litter Box

PETKIT PuraMax 2 Self-Cleaning Litter Box

Best for: Multi-cat homes needing health tracking

Interior Capacity
76L
Design Type
Always-open, low-entry
Connectivity
2.4 GHz
Cat Weight Range
3.3–22 lbs
Safety Sensors
7 infrared, 4 weight, anti-pinch
Health Tracking
Weight, visit frequency, duration

The PETKIT PuraMax 2 is a 76L automatic litter box designed for multi-cat households. It features a low-entry design and weighs up to 22 lbs. The unit includes 7 infrared and 4 weight sensors for safety. You can track health data like weight and visit frequency via the app. The 7L waste drawer holds up to 15 days of waste. It uses a sealed bin and N50 2.0 remover for odor control.

Pros
  • 76L interior capacity accommodates cats up to 22 lbs
  • 7 infrared and 4 weight sensors ensure safety
  • 7L waste drawer lasts up to 15 days
  • Low 7.87-inch entry aids mobility-limited cats
  • App tracks weight, frequency, and duration
Cons
  • 76L interior is smaller than 106L competitors
  • 22-pound weight is heavier than many alternatives
  • 7L waste drawer holds less than larger models
Good fit if
  • You have multiple cats weighing up to 22 lbs
  • You want app-based health tracking for your pets
  • You prefer a low-entry design for older cats
Skip if
  • You need an interior larger than 76L
  • You have cats weighing more than 22 lbs
  • You prefer a lighter device under 22 lbs

Verdict: PETKIT PuraMax 2 76L Self-Cleaning Litter Box fits multi-cat homes needing health tracking and a low entry, though its 76L capacity and 22 lb weight may limit you if you need larger or lighter options.

2Best premium
Sousia XXXL Open-Top Litter Box

Sousia XXXL Open-Top Litter Box

Best for: Large or senior cats needing low entry access

Design Type
Open-top, low-entry
Connectivity
2.4GHz Wi-Fi
Safety Sensors
Infrared sensor system, anti-pinch
Health Tracking
Bathroom habits, usage data
Odor Control
Sealed bin with gasket, odor eliminator
Waste Drawer Capacity
12L, up to 20 days

This Sousia XXXL unit offers an open-top design with a low entrance for easy access. It features a 12L waste drawer that holds up to 20 days of waste. The device uses infrared sensors and an anti-pinch mechanism for safety. You can control it via a 2.4GHz Wi-Fi app that tracks health data. The sealed bin and active deodorizer help manage odors effectively.

Pros
  • 12L waste drawer capacity holds up to 20 days of waste
  • Open-top design with low entrance for senior or large cats
  • Infrared sensors and anti-pinch protection ensure safety during cycles
  • App control via 2.4GHz Wi-Fi tracks bathroom habits and usage data
  • Triple odor control with sealed bin and active deodorizer
Cons
  • 12L waste capacity is smaller than the 75L and 106L competitors
  • 2.4GHz Wi-Fi only excludes 5GHz network support
  • 3-year warranty is shorter than the 2-year covera on the top pick
Good fit if
  • You have large cats or pets with limited mobility who need a low entry
  • You want app-based health tracking and remote cleaning control
  • You prefer an open design to avoid enclosed spaces
Skip if
  • You need 5GHz Wi-Fi connectivity for faster data transfer
  • You require a waste capacity larger than 12L for multi-cat households
  • You want a fully enclosed unit to contain litter scatter completely

Verdict: Sousia XXXL Open-Top Automatic Litter Box fits owners of large or senior cats who prioritize accessibility and app health tracking over maximum waste capacity.

3Best budget
Meowant 75L Open Self-Cleaning Litter Box

Meowant 75L Open Self-Cleaning Litter Box

Best for: senior or overweight cats needing low entry

Interior Capacity
75L
Design Type
Open, low-entry
Cat Weight Range
3.3–22 lbs
Safety Sensors
Anti-pinch
Suitable For
Multiple Cats
Connectivity
App Control

This Meowant litter box offers 75 liters of interior space in an open, low-entry design. The 6.8-inch entrance accommodates cats up to 22 pounds, including seniors and overweight pets. It features anti-pinch safety sensors and app control for monitoring. The unit weighs 23.1 pounds and measures 18 by 16 inches. It is suitable for multi-cat households seeking a spacious, accessible option.

Pros
  • 75L interior capacity for multiple cats
  • 6.8-inch low entrance for easy access
  • Anti-pinch safety sensors included
  • App control for remote monitoring
Cons
  • 75L capacity is smaller than the 106L option on this list
  • 23.1-pound weight makes it heavier than some competitors
Good fit if
  • You have senior or overweight cats needing a low entrance
  • You want app control for health tracking
  • You prefer an open design for visibility
Skip if
  • You need the largest possible capacity available
  • You prefer a fully enclosed unit
  • You have cats heavier than 22 pounds

Verdict: Meowant 75L Open Cat Litter Box suits owners of older or heavier cats who value accessibility and app monitoring over maximum capacity.

4Best x-large
Meowant Extra Large Open-Top Litter Box

Meowant Extra Large Open-Top Litter Box

Best for: Multi-cat households needing spacious open-top access

Design Type
Open-top
Safety Sensors
6 infrared sensors, pinch-proof
Health Tracking
Visit frequency, habits
Odor Control
Sealed bin, activated deodorizer
Waste Drawer Capacity
12L (up to 10 days)
Suitable For
Multiple Cats

This open-top litter box features a 21.65-inch top opening and a 12-liter waste drawer. It uses six infrared sensors for safety and offers app control for visit tracking. The 12-liter capacity handles up to 10 days of waste for a single cat. It suits larger breeds and multi-cat households that need a spacious, pinch-proof design.

Pros
  • 12-liter waste drawer capacity
  • 21.65-inch top opening entry
  • Six infrared safety sensors
  • App-based health tracking
Cons
  • 12-liter waste capacity is smaller than the 106-liter option on this list
  • App cannot detect cat weight or identify individual cats
  • Requires cats to weigh more than 3 lbs
Good fit if
  • You own multiple cats or large breeds
  • You prefer an open-top design for easy access
  • You want infrared safety sensors instead of gravity-based detection
Skip if
  • You need automatic weight tracking for health monitoring
  • You require a waste capacity larger than 12 liters
  • You have cats weighing less than 3 lbs

Verdict: Meowant Extra Large Open-Top Litter Box provides a spacious entry and reliable infrared safety for multi-cat homes. It fits buyers who prioritize open access and visit tracking over maximum waste capacity.

5Also great
Meowant SC09 Plus 106L Open-Top Litter Box

Meowant SC09 Plus 106L Open-Top Litter Box

Best for: multi-cat homes with low-entry needs

Interior Capacity
106L
Design Type
Open-design, low entrance
Connectivity
2.4GHz Wi-Fi
Cat Weight Range
3.3–30 lbs
Safety Sensors
Anti-pinch
Health Tracking
Usage data

This Meowant model offers a 106L interior and a 6.7L waste drawer for multi-cat households. It features a low 8.27-inch entrance and anti-pinch sensors for safety. You can control it via the AIRPET app using 2.4GHz Wi-Fi. The unit weighs 22.5 pounds and includes odor-proof covers and deodorizing gel. It supports cats up to 30 pounds.

Pros
  • 106L interior capacity
  • 6.7L waste drawer
  • 8.27-inch low entrance
  • Anti-pinch safety sensors
  • 36dB quiet motor
Cons
  • 22.5-pound weight is heavier than many competitors
  • 2.4GHz Wi-Fi only
  • 6.7L waste drawer is smaller than some alternatives
Good fit if
  • You have multiple cats weighing up to 30 pounds
  • You need a low entrance for senior or short-legged cats
  • You want app-based health monitoring
Skip if
  • You require 5GHz Wi-Fi connectivity
  • You prefer a lighter unit under 20 pounds
  • You need a waste drawer larger than 6.7 liters

Verdict: Meowant SC09 Plus 106L Litter Box fits busy multi-cat homes needing spacious, safe cleaning. It suits owners prioritizing low entry and app tracking over 5GHz connectivity.

6Best large
ZHMZ G1 Large Self-Cleaning Litter Box

ZHMZ G1 Large Self-Cleaning Litter Box

Best for: small to medium cats needing sealed waste

Connectivity
2.4GHz Wi-Fi
Cat Weight Range
2.5–18 lbs
Safety Sensors
Dual sensors, 4 weight sensors
Health Tracking
Behavior and health
Odor Control
100% sealed waste drawer
Suitable For
Multiple Cats

The ZHMZ G1 is a large, white automatic litter box designed for multiple cats. It features a 12-inch opening and a 100% sealed waste drawer to manage odors. The unit includes dual and four weight sensors for safety, along with 2.4GHz Wi-Fi app control. It supports health tracking and operates in automatic or manual modes. This model fits homes seeking a sealed waste solution with smart monitoring capabilities.

Pros
  • 100% sealed waste drawer for odor control
  • Dual sensors and four weight sensors for safety
  • 12-inch opening for easy cat access
  • 2.4GHz Wi-Fi app control for remote monitoring
  • Supports manual cleaning mode for kittens
Cons
  • Maximum cat weight limit of 18 lbs is lower than competitors
  • Height restriction of 15 inches excludes taller cats
  • Weighs 33 pounds, which is bulkier than many alternatives
Good fit if
  • You want a sealed waste drawer to minimize odors
  • You have multiple small to medium cats under 18 lbs
  • You prefer app control for health and behavior tracking
Skip if
  • You have a cat taller than 15 inches
  • You have a cat weighing more than 18 lbs
  • You need a unit that fits on uneven carpets

Verdict: ZHMZ G1 Large Automatic Litter Box is a practical option for owners of small to medium cats who prioritize odor containment and smart monitoring. It suits households where cats fit within the strict height and weight limits.

7Also great
UBPET C41 White Open-Top Litter Box

UBPET C41 White Open-Top Litter Box

Best for: senior or large cats needing open access

Interior Capacity
106L
Design Type
Low-entry, open-front
Connectivity
2.4GHz Wi-Fi
Cat Weight Range
2.2–30 lbs
Safety Sensors
Anti-pinch, 4 weight sensors
Health Tracking
Bathroom frequency, duration, weight

This UBPET C41 is an open-front automatic litter box with a 106L interior. It uses four weight sensors and an anti-pinch design for safety. The unit connects via 2.4GHz Wi-Fi for health tracking. It fits cats weighing 2.2 to 30 lbs. The low entrance helps senior or timid cats enter easily. It measures 24.8 by 20 by 22.5 inches.

Pros
  • 106L interior capacity for large cats
  • Open-front design with low entrance
  • Four weight sensors for safety
  • 2.4GHz Wi-Fi health tracking
Cons
  • Heavier at 30 pounds than competitors
  • 2.4GHz Wi-Fi only, no 5GHz
  • Open design offers less odor containment
Good fit if
  • You have senior cats needing low entry
  • You want an open-front design
  • You track multiple cats' health data
Skip if
  • You need 5GHz Wi-Fi connectivity
  • You prefer a fully enclosed unit
  • You want a lighter device under 30 lbs

Verdict: UBPET C41 Open-Top Cat Litter Box suits owners of large or senior cats who prioritize easy access and health monitoring over enclosed odor control.

Specifications side by side

SpecPETKIT PuraMax 2 Self-Cleaning Litter BoxSousia XXXL Open-Top Litter BoxMeowant 75L Open Self-Cleaning Litter BoxMeowant Extra Large Open-Top Litter BoxMeowant SC09 Plus 106L Open-Top Litter BoxZHMZ G1 Large Self-Cleaning Litter BoxUBPET C41 White Open-Top Litter Box
Interior Capacity76L–75L–106L–106L
Design TypeAlways-open, low-entryOpen-top, low-entryOpen, low-entryOpen-topOpen-design, low entrance–Low-entry, open-front
Connectivity2.4 GHz2.4GHz Wi-Fi––2.4GHz Wi-Fi2.4GHz Wi-Fi2.4GHz Wi-Fi
Cat Weight Range3.3–22 lbs–3.3–22 lbs–3.3–30 lbs2.5–18 lbs2.2–30 lbs
Safety Sensors7 infrared, 4 weight, anti-pinchInfrared sensor system, anti-pinchAnti-pinch6 infrared sensors, pinch-proofAnti-pinchDual sensors, 4 weight sensorsAnti-pinch, 4 weight sensors
Health TrackingWeight, visit frequency, durationBathroom habits, usage data–Visit frequency, habitsUsage dataBehavior and healthBathroom frequency, duration, weight
Odor ControlSealed bin, N50 2.0 removerSealed bin with gasket, odor eliminator–Sealed bin, activated deodorizerOdor-proof cover, deodorizing gel100% sealed waste drawerSealed lid, deodorizing block
Waste Drawer Capacity7L, up to 15 days12L, up to 20 days–12L (up to 10 days)6.7L––
Suitable For–Multiple CatsMultiple CatsMultiple CatsMultiple CatsMultiple CatsMultiple Cats, Large Cats
DesignLow-EntryOpen-Top, Low-EntryLow-EntryOpen-TopLow-Entry––
Safety FeaturesSafety Sensors, Anti-Pinch ProtectionSafety Sensors, Anti-Pinch ProtectionSafety Sensors, Anti-Pinch ProtectionAnti-Pinch ProtectionSafety Sensors, Anti-Pinch ProtectionAnti-Pinch ProtectionSafety Sensors, Anti-Pinch Protection
Target PetCatsCatsCats, Multi-Cat HomesCatsCatsCatsCats
ColorWhiteWhiteGrayWhiteGrayWhiteWhite
Size76L interior waste binXXXL1X-LargeXX-LargeLargeXX-Large
Dimensions24.2 × 22 × 22 inches26.5 × 18.2 × 14.3 inches–21 × 17 × 26 inches20 × 21.5 × 20 inches21 × 19 × 26 inches24.8 × 20 × 22.5 inches
Weight22 pounds15.3 pounds23.1 pounds–22.5 pounds33 pounds30 pounds
Length––18 inches––––
Height––16 inches––––
ModelP9902ACC-25-03MW-SC02-111MW-SC10MW-SC09G1C41

Frequently asked questions

Which litter box is best for large cats?

The Sousia XXXL and Meowant SC09 Plus are top choices for larger pets. The Sousia features a 26-inch width and open-top design for easy access. The Meowant SC09 Plus offers an XX-Large interior with low-entry access. Both models include app control and anti-pinch safety sensors to ensure secure operation for bigger animals.

Do these alternatives have app connectivity?

Yes, every listed model includes app control capabilities. This feature allows you to monitor litter box usage and health metrics remotely. You can track visit frequency and waste patterns directly from your smartphone. All products support this connectivity to help you stay informed about your cat’s habits without being physically present.

Which option is best for senior cats?

The Sousia XXXL and Meowant SC09 Plus are ideal for senior cats due to their low-entry designs. The Sousia provides a wide 26-inch opening, while the Meowant SC09 Plus features a low threshold. These designs reduce strain on joints. Both units also include health monitoring apps to track changes in litter box habits.

How do the safety features compare?

Most models prioritize pet safety with anti-pinch protection and infrared sensors. The PETKIT PuraMax 2 and Sousia XXXL both include these specific safety mechanisms. The Meowant SC09 Plus also features anti-pinch protection. These sensors detect obstructions to prevent injury during the cleaning cycle, ensuring a safe environment for your pets.

What is the largest waste capacity available?

The Meowant SC09 Plus offers the largest capacity with a 106L interior. It is designed for multi-cat homes that generate more waste. The PETKIT PuraMax 2 provides a 76L bin, which is also substantial. Choosing the larger capacity reduces the frequency of waste bag changes, which is helpful for busy households.

Are there open-top options besides the PuraMax 2?

Yes, several models feature open-top designs for better accessibility. The Sousia XXXL, Meowant 75L, Meowant Extra Large, Meowant SC09 Plus, and UBPET C41 all offer open tops. This design allows cats to enter and exit easily without navigating a hood. It is particularly useful for large or senior cats who prefer open spaces.

Which litter box is heaviest?

The ZHMZ G1 is the heaviest unit at 33 pounds. It provides a stable base for its large internal components. The UBPET C41 is also heavy at 30 pounds. Heavier units may be less portable but offer greater stability during operation. Consider your floor type and mobility needs when choosing between these heavier models.

See also