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Litter-Robot 5 Pro vs Litter-Robot EVO

Same brand, adjacent models in the range

Whisker Litter-Robot 5 Pro
Whisker Litter-Robot 5 Pro
Buy now$999

Manufacturer US store starting price

List price · checked Oct 27, 2026▲ +$100 · Oct 23, 2026

Buy now

Whisker Litter-Robot EVO
Whisker Litter-Robot EVO
Buy now$599

Manufacturer starting price on whisker.com ("as low as $599"); bundles cost more.

List price · checked Oct 27, 2026

Buy now · Available from the manufacturer's official US store.

Verdict

Litter-Robot EVO has the lower list price ($599 vs $999). On the attributes both makers publish with a clear better direction, the published figures favour Litter-Robot 5 Pro on 1 and Litter-Robot EVO on 0. This summary uses manufacturer-published data only; we have not tested either model.

Key differences

AttributeLitter-Robot 5 ProLitter-Robot EVO
List price$999$599
Maximum cat weight30 lbs19 lbs
Cleaning cycle triggerWeight sensor starts the cycle after the cat exits; WasteID identifies waste typeWeight sensors start the cycle after the cat exits
Odor control methodWasteID-targeted odor control with sealed waste drawer and carbon filterSealed waste drawer with carbon filter
Footprint22 x 27 x 29.9 in20.6 x 24.3 in
Power sourceAC power15 Volt DC / AC adapter

Who should buy which

  • Choose the Litter-Robot 5 Pro if you prioritise Maximum cat weight, based on published figures.
  • Choose the Litter-Robot EVO if you prioritise a lower list price, based on published figures.

Where the published data differs

Every line below is computed from the two manufacturers’ own figures. Attributes neither brand publishes are omitted.

  • Litter-Robot EVO lists at $599, $400 below Litter-Robot 5 Pro at $999.
  • Maximum cat weight: Litter-Robot 5 Pro 30 lbs versus Litter-Robot EVO 19 lbs (58% more). Published data favours Litter-Robot 5 Pro.
  • Cleaning cycle trigger: Litter-Robot 5 Pro — Weight sensor starts the cycle after the cat exits; WasteID identifies waste type; Litter-Robot EVO — Weight sensors start the cycle after the cat exits.
  • Odor control method: Litter-Robot 5 Pro — WasteID-targeted odor control with sealed waste drawer and carbon filter; Litter-Robot EVO — Sealed waste drawer with carbon filter.
  • Footprint: Litter-Robot 5 Pro — 22 x 27 x 29.9 in; Litter-Robot EVO — 20.6 x 24.3 in.
  • Power source: Litter-Robot 5 Pro — AC power; Litter-Robot EVO — 15 Volt DC / AC adapter.

Full specification comparison

Whisker Litter-Robot 5 Pro compared with Whisker Litter-Robot EVO
AttributeLitter-Robot 5 ProLitter-Robot EVO
Multi-cat suitableYesYes
Minimum cat weight3 lbs3 lbs
Maximum cat weight30 lbs19 lbs
Waste drawer capacityNot published by eitherNot published by either
Litter type requiredClumping clay litterClumping clay litter
Proprietary litter requiredNoNo
Proprietary waste bags requiredNoNo
Subscription requiredNoNo
Cleaning cycle triggerWeight sensor starts the cycle after the cat exits; WasteID identifies waste typeWeight sensors start the cycle after the cat exits
Adjustable cycle delayYesYes
App controlYesYes
Weight sensingYesYes
Health monitoringYesYes
Odor control methodWasteID-targeted odor control with sealed waste drawer and carbon filterSealed waste drawer with carbon filter
Entry height15.75 inNot published
Interior dimensionsEntryway 15.75 x 15.75 in; interior height 17.5 inNot published
Footprint22 x 27 x 29.9 in20.6 x 24.3 in
Operating noiseNot published by eitherNot published by either
Power sourceAC power15 Volt DC / AC adapter
Battery backupNot published by eitherNot published by either
Warranty12 months12 months
Litter-Robot 5 Pro full specsLitter-Robot EVO full specsAll robot litter boxes