PETKIT PURA MAX vs Whisker Litter-Robot 4
| Spec | PETKIT PURA MAX | Whisker Litter-Robot 4 |
|---|---|---|
| Price (USD) | $380–$450 | $699 |
| Year | 2022 | 2022 |
| Autonomy | fully-autonomous | fully-autonomous |
| Environment | indoor | indoor |
| Weight | — | — |
| Dimensions (cm) | 54L × 54W × 57H | 62L × 62W × 68H |
| Connectivity | WiFi, App Control | WiFi, Bluetooth, App Control |
| Rating | — | — |
PETKIT PURA MAX
The PETKIT PURA MAX is a premium self-cleaning cat litter box using a rotating drum mechanism for automatic waste sifting, built-in deodoriser with replaceable cartridges for odour control between cleanings, and PETKIT app connectivity for monitoring individual cat weight and visit frequency. Supporting multiple cats with health alert notifications, the PURA MAX is positioned as the primary competitor to the Litter-Robot 4 at approximately $380–$450 on Amazon — around $250 less while adding built-in deodorisation the Litter-Robot lacks. The PETKIT app also integrates with other PETKIT smart pet devices for a unified smart pet home ecosystem.
Whisker Litter-Robot 4
The Whisker Litter-Robot 4 is the current-generation automatic self-cleaning cat litter box, using a patented rotating globe mechanism to automatically sift clumping litter and seal waste into a drawer after each cat visit — eliminating daily manual scooping. OmniSense multi-cat weight detection identifies individual cats by weight, tracks visit frequency, and alerts owners to health pattern changes via the Whisker app. Operating 40% quieter than its predecessor with a larger globe and improved odour control, the Litter-Robot 4 supports households with up to 5 cats and integrates with Alexa and Google Home. Priced at $699, available at litter-robot.com and Amazon.