Name: Automatic Litter Box, (2026) Multi-Function Upgrade Robot Self Cleaning Litter Box for Multiple Cats, 65L+9L Extra Large, APP Control, Deodorizatio...
Brand: DuckSky
SKU: B0FKB21N2W
Price: 189.99 USD
Availability: InStock
Rating: 4.1 (1143 reviews)

Our Verdict

DuckSky Automatic Litter Box Wins

It offers a larger 9.0L waste drawer and "smart" sensor tech at a lower price. Choose PETKIT for cats up to 22 lbs, health tracking, and its 7.87-inch low entry for older or mobility-limited cats.

Bottom Line: DuckSky Automatic Litter Box is the better choice. It offers a larger 9.

Key Differences

The most significant spec differences at a glance

Max Pet Weight Lbs

18% less

Waste Drawer

29% more

Weight

100% less

Advantages

Where each product wins

DuckSky

Waste Drawer: 29% higher (9.0 vs 7.0)
Weight: 100% lower (0.0 vs 22.0)

PETKIT

Max Pet Weight Lbs: 18% higher (18.0 vs 22.0)

Who Should Buy Which?

Find the right product for your needs

Buy DuckSky if...

Automatic Litter Box, (2026)

Ideal for budget-conscious cat owners with multiple cats up to 18 lbs who prioritize convenience and capacity. If you need a robust automatic litter box that minimizes scooping with its 9.0L waste bin for up to two weeks of use and appreciate app control, the DuckSky is a solid choice. Its "smart" sensors and ozone deodorization offer advanced features without the premium price tag. You're comfortable with a 2.4GHz Wi-Fi network for app connectivity.

Buy PETKIT if...

PETKIT PuraMax 2 Automatic

Perfect for owners of larger cats (up to 22 lbs) or those with senior/mobility-limited felines, thanks to its low 7.87-inch entry. If individual cat health tracking, comprehensive safety sensors, and superior anti-leakage design are paramount, the PETKIT PuraMax 2 justifies its higher price. This is for users who want premium features, detailed health insights, and peace of mind regarding urine containment, provided they have a flat, hard floor for placement.

Spec Comparison

7 specs compared

Specification	DuckSky Automatic Litter Box	PETKIT PuraMax 2 Automatic
Price	$190	$282
Rating	4.1(1.1k)	4.2(778)
Sensor Type	infrared, weight, smart	infrared, weight
Max Pet Weight	18 lbs	22 lbs
Waste Capacity	9L	7L
Weight	0 lbs	22 lbs
Model Number	Cat litter boxes & liner 03	—
WiFi	Yes	Yes
Dimensions	—	21.18" × 21.73" × 24.4"

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Pros & Cons

Quick overview of strengths and weaknesses

DuckSky Automatic Litter

Pros

65L toilet volume for cats up to 18lbs.
9L waste bin holds 2 weeks for 12lb cat.
Infrared and weight sensors track cat usage.
App controls cleaning modes; remote operation.

Cons

App requires 2.4GHz Wi-Fi network.
Ozone generation for odor control has health risks.
Full internal cleaning requires disassembly.

PETKIT PuraMax 2

Pros

Prevents urine leakage with sealed base and pad design.
Tracks individual cat health data, weight, and usage via app
7L waste bin provides up to 15 days of hands-free use.
Multiple sensors ensure cat safety during cleaning cycles.

Cons

Requires placement on flat, hard floor to ensure sensor func
Not suitable for young pets under 6 months or 3.3 lbs.
Only compatible with 2.4GHz WiFi networks for app control.
Not compatible with K3 Smart Spray odor remover.

Frequently Asked Questions

Common questions about this comparison

What's the main difference in waste capacity?

The DuckSky offers a 9.0L waste drawer, providing longer hands-free operation. The PETKIT PuraMax 2 has a 7.0L waste bin, which it states provides up to 15 days of use.

Which litter box is better for larger or older cats?

The PETKIT PuraMax 2 is better for larger cats, supporting up to 22.0 lbs, and features a low 7.87-inch entry, making it ideal for older or mobility-limited cats. DuckSky supports cats up to 18.0 lbs.

Is the price difference justified by features?

The PETKIT PuraMax 2 is significantly more expensive. Its higher price is justified by advanced features like individual cat health tracking, superior safety sensors, urine leakage prevention, and its accessibility for older/larger cats.

How do their sensor types compare?

Both use infrared and weight sensors for cat detection and safety. The DuckSky additionally mentions a "smart" sensor. PETKIT emphasizes multiple safety sensors to prevent accidents during cleaning cycles.