Casa Leo Leo's Loo Too vs Litter-Robot 4

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

Higher overall

Whisker

Litter-Robot 4

8.8 Overall

Very good

$699

Scores side by side

Category Leo's Loo Too Litter-Robot 4
Cleaning 8.4 9.1
Odor control 9.1 8.9
Safety 8.6 9.5
App 7.8 9.0
Maintenance 8.3 8.7
Value 8.0 7.0
Overall 8.5 8.8

Cost to own

Total spend after Leo's Loo Too Litter-Robot 4
Running cost per year — —
1 year — —
3 years — —
5 years — —

Every specification

Rows where the two differ are highlighted.

Size & fit

Dimensions (W x D x H) 27.6 in L x 22 in W x 24 in H 22 in W x 27 in D x 29.5 in H
Floor footprint 27.6 x 22 in 22 x 27 in
Entry height — —
Unit weight 30 lb 24 lb
Minimum cat weight 1 lb 3 lb
Maximum cat weight 20 lb 25 lb
Entry opening — 15.75 x 15.75 in

Capacity & litter

Waste drawer capacity 6 L (1.5 gal) —
Litter types accepted Clumping clay Clumping clay, Some silica gel
Litter capacity — —
Interior volume — —
Rated for multiple cats Yes Yes
Cats supported — Up to 4

Smart features

Wi-Fi Yes Yes
App Casa Leo (iOS, Android), Alexa and Google Assistant Whisker (iOS, Android)
Power — 15 V DC

Odor & noise

Odor system UV odor control + bamboo carbon filters + sealed waste drawer OdorTrap packs + carbon filter + sealed drawer
Measured noise ~30 dB (manufacturer claim) —
Cycle time — —

Safety

Safety sensors Radar motion detection, Four weight sensors, Anti-pinch protection —

Running costs

Waste bag type Casa Leo drawer liners or standard bags Standard kitchen bags or Whisker drawer liners
Bag cost per year — —
Filter cost per year — —
Warranty 1 year limited 1 year (3-year extended plan $129)
Requires proprietary bags No No

Which one, for whom

Casa Leo Leo's Loo Too

Best for

  • Small apartments where odor is the whole problem
  • Buyers avoiding proprietary consumables
  • Multi-cat homes up to three cats

Not ideal for

  • App-first buyers
  • People who want long-term parts certainty
Full Leo's Loo Too review

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