Litter-Robot 4 vs Omega Paw Roll'n Clean

Every standardized field on both boxes, lined up. Nothing is retyped — both columns read from the same database as the reviews.

Scores side by side

Category Litter-Robot 4 Omega Paw Roll'n Clean
Cleaning 9.1 6.8
Odor control 8.9 6.2
Safety 9.5 9.6
App 9.0 0.0
Maintenance 8.7 8.4
Value 7.0 9.0
Overall 8.8 6.9

Cost to own

Total spend after Litter-Robot 4 Omega Paw Roll'n Clean
Running cost per year — $0
1 year — $65
3 years — $65
5 years — $65

Every specification

Rows where the two differ are highlighted.

Size & fit

Dimensions (W x D x H) 22 in W x 27 in D x 29.5 in H 21.5 in L x 18.5 in W x 20 in H
Floor footprint 22 x 27 in 21.5 x 18.5 in
Entry height — —
Unit weight 24 lb 6.5 lb
Minimum cat weight 3 lb —
Maximum cat weight 25 lb —
Entry opening 15.75 x 15.75 in —

Capacity & litter

Waste drawer capacity — —
Litter types accepted Clumping clay, Some silica gel Clumping clay
Litter capacity — —
Interior volume — —
Rated for multiple cats Yes No
Cats supported Up to 4 1

Smart features

Wi-Fi Yes No
App Whisker (iOS, Android) None
Power 15 V DC None

Odor & noise

Odor system OdorTrap packs + carbon filter + sealed drawer Hood only
Measured noise — —
Cycle time — —

Safety

Safety sensors — —

Running costs

Waste bag type Standard kitchen bags or Whisker drawer liners None required
Bag cost per year — 0
Filter cost per year — 0
Warranty 1 year (3-year extended plan $129) —
Requires proprietary bags No No

Which one, for whom

Litter-Robot 4

Best for

  • Multi-cat homes
  • People who want it to just work
  • Bedrooms and small apartments where noise matters

Not ideal for

  • Tight budgets
  • Cats over 25 lb
  • Homes with no space for a 22 x 27 in footprint
Full Litter-Robot 4 review

Omega Paw Roll'n Clean

Best for

  • Tight budgets
  • One cat
  • People who distrust motorised boxes

Not ideal for

  • Anyone wanting hands-off operation
  • Multi-cat homes
  • Odor-sensitive rooms
Full Omega Paw Roll'n Clean review