# PETKIT Purobot Max Pro 2 vs Whisker Litter-Robot 5

As of Nov 4, 2026, the PETKIT Purobot Max Pro 2 costs $500 and the Whisker Litter-Robot 5 costs $799, so the PETKIT Purobot Max Pro 2 is $299 cheaper. Pick the PETKIT Purobot Max Pro 2 for camera monitoring on a smaller budget. Pick the Whisker Litter-Robot 5 for large cats and multi cat homes.

Prices checked Nov 4, 2026. HTML version: https://robotsforthat.com/vs/petkit-purobot-max-pro-2-vs-whisker-litter-robot-5/

## Side by side

| | PETKIT Purobot Max Pro 2 | Whisker Litter-Robot 5 |
|---|---|---|
| Price | $500 | $799 |
| 3 year cost | $643 | $955 |
| Our score | Not scored yet | Not scored yet |
| Rank in Litter box | #20 | #25 |
| Status | on sale | on sale |
| Warranty | 2 years (shown on PETKIT product page badge) | 1 year (WhiskerCare), extendable to 3 years; 90 day in home trial |
| Cat weight range | 3.3 to 22 lb | 3 to 30 lb |
| Max cats | Camera recognizes up to 15 cats | Up to 5 |
| Waste drawer | 8 L sealed side drawer, up to 17 days for one cat (maker claim via TechnoMeow) | Sealed drawer with carbon filter, up to 10 days for one cat (maker claim) |
| Sensors | 12 sensors including proximity and weight, anti pinch | Multiple lasers, weight sensing, SmartScale, WasteID urine vs stool detection, SafeCat system |
| App | PETKIT app, 2.4 and 5 GHz WiFi; 1080p 210 degree AI camera | Whisker app (2.4 GHz WiFi); free tier shows 7 days of visits and weights |
| Litter type | Clumping clay, tofu and mixed; two sifters included | Clumping clay recommended; plant based, non clumping, paper and pellet litters not recommended |
| Size | 25.86 x 21.18 x 23.74 in, 24.25 lb, 10.5 x 10.7 in entrance | 22 x 27 in footprint, 29.9 in tall, 15.75 x 15.75 in entry, 28.7 lb empty |
| Noise | 35 dB (maker claim) | No dB rating published; QuietSift motor |
| Best for | camera monitoring on a smaller budget | large cats and multi cat homes |
| Skip if | you have a very large cat | you want the lowest price from Whisker |

## What reviewers found

### PETKIT Purobot Max Pro 2

- TechnoMeow: Camera helped monitor a senior cat with a vestibular condition; odor control excellent; sensors unreliable on carpet so manual scoop mode was used. [Source](https://technomeow.com/petkit-purobot-max-pro-2-review/)

### Whisker Litter-Robot 5

- Cats.com: Described in the October 2026 roundup as nearly the same as the 5 Pro without cameras, saving $100. [Source](https://cats.com/reviews/best-self-cleaning-litter-box)
- 9to5Toys: Review of the 5 series found it quieter, smoother and less sensitive to placement on carpet than the Litter-Robot 4, with a better carbon filter. [Source](https://9to5toys.com/2026/04/14/review-whisker-litter-robot-5-elevate-homes-with-space-age-improvements/)

## Questions buyers ask

### Which is better, the PETKIT Purobot Max Pro 2 or the Whisker Litter-Robot 5?

Pick the PETKIT Purobot Max Pro 2 for camera monitoring on a smaller budget. Pick the Whisker Litter-Robot 5 for large cats and multi cat homes.

### Which is cheaper?

The PETKIT Purobot Max Pro 2 at $500, versus $799 for the Whisker Litter-Robot 5, checked Nov 4, 2026. Over 3 years with running costs: $643 vs $955.

### What is the difference between the Purobot Max Pro 2 and the Litter-Robot 5?

Cat weight range: 3.3 to 22 lb on the Purobot Max Pro 2, 3 to 30 lb on the Litter-Robot 5. Max cats: Camera recognizes up to 15 cats on the Purobot Max Pro 2, Up to 5 on the Litter-Robot 5. Waste drawer: 8 L sealed side drawer, up to 17 days for one cat (maker claim via TechnoMeow) on the Purobot Max Pro 2, Sealed drawer with carbon filter, up to 10 days for one cat (maker claim) on the Litter-Robot 5.

Full reviews: [PETKIT Purobot Max Pro 2](https://robotsforthat.com/robot/petkit-purobot-max-pro-2/index.md), [Whisker Litter-Robot 5](https://robotsforthat.com/robot/whisker-litter-robot-5/index.md)