Side by side

Petlibro Luma vs Litter-Robot 4: Litter-Robot has no camera and carries lighter, while Luma adds live video

Quick verdict

An open entry, video or 5 GHz is the reason to pick Luma. Camera-free monitoring, lighter handling and a larger listed cat-weight range are the reasons to pick Litter-Robot 4.

Before you buy

Why, and what it costs you

The shallower body uses about 12 percent less bare area

Against 594 square inches, Luma uses 524.25.

Where this comes from

23.3 times 22.5 equals 524.25. 22 times 27 equals 594. The difference divided by 594 equals 11.7 percent.

The catch

PETLIBRO Luma Smart Litter Box

Live viewing is free, but automated waste analysis and recorded video history both require a paid Video Cloud plan.

The catch

Whisker Litter-Robot 4 with Step and Waste Drawer Liners

A timid cat may still find the globe closed in.

PETLIBRO Luma Smart Litter Box

PETLIBRO Luma Smart Litter Box

Why pick it
  • An open entry with live video is what you want.
  • Your setup requires 5 GHz Wi-Fi or approved tofu clumping litter.
The catch
Live viewing is free, but automated waste analysis and recorded video history both require a paid Video Cloud plan.
See price & reviews on Amazon
Whisker Litter-Robot 4 with Step and Waste Drawer Liners

Whisker Litter-Robot 4 with Step and Waste Drawer Liners

Why pick it
  • A room with no built-in camera is the goal.
  • Either your cat tops 22 pounds or you need a carpet-tray option.
The catch
A timid cat may still find the globe closed in.
See price & reviews on Amazon

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Comparison updated , Product data updated , Amazon.com / United States

What this page compares

Petlibro Luma and Litter-Robot 4 differ in camera features, litter compatibility, Wi-Fi and placement, with subscriptions and floor limits included.

Which one fits

Pick the situations that sound like you

  • Want live video of the litter box

    A built-in camera is part of Luma.

    PETLIBRO Luma Smart Litter Box
    Better fit
    Whisker Litter-Robot 4 with Step and Waste Drawer Liners
    Caution
  • Camera privacy for the room

    No integrated camera comes with LR4.

    PETLIBRO Luma Smart Litter Box
    Caution
    Whisker Litter-Robot 4 with Step and Waste Drawer Liners
    Better fit
  • The only network available is 5 GHz

    Luma lists 5 GHz support.

    PETLIBRO Luma Smart Litter Box
    Better fit
    Whisker Litter-Robot 4 with Step and Waste Drawer Liners
    Caution
  • My current spot is carpeted

    LR4 offers a weight-accuracy tray, whereas Luma excludes carpet.

    PETLIBRO Luma Smart Litter Box
    Caution
    Whisker Litter-Robot 4 with Step and Waste Drawer Liners
    Good

In practice

Differences you will notice

The shallower body uses about 12 percent less bare area

Against 594 square inches, Luma uses 524.25.

How we worked this out

23.3 times 22.5 equals 524.25. 22 times 27 equals 594. The difference divided by 594 equals 11.7 percent.

Luma covers less area yet weighs more

It carries 9.01 pounds more even though its bare footprint is smaller.

How we worked this out

33.01 minus 24 equals 9.01 pounds, which is 37.5 percent of the empty weight of LR4.

The clearance a box needs can undo an apparent advantage in fit

With the clearance around it, Luma needs about 31.3 inches of width.

How we worked this out

23.3 plus 8 equals 31.3 inches. For placement planning, the bare cabinet width alone is not enough.

Option A
PETLIBRO Luma Smart Litter Box

PETLIBRO, PLLB001

Luma Smart Litter Box

The cabinet measures 23.3 inches wide, and the minimum weight for automatic cycles is 2.2 pounds.

Best for
take a cat above 15 pounds and serve a home with two or more cats

Facts we checked

  • 2.2 pounds is where automatic cycling starts.
  • The cabinet is 23.3 inches wide.
  • Clumping, plant is the documented litter fit.
  • The compared household plan covers up to 10 cats.
Option B
Whisker Litter-Robot 4 with Step and Waste Drawer Liners

Whisker, Litter-Robot 4

Litter-Robot 4 with Step and Waste Drawer Liners

Automatic cycling starts at 3 pounds, and the cabinet is 22 inches wide.

Best for
cover two or more cats and keep tabs on which one used it

Facts we checked

  • A cat must weigh at least 3 pounds for automatic mode.
  • With a 22 by 27 inch footprint, the cabinet is 22 inches wide.
  • Clumping clay is Whisker's recommendation, and it says plant-based litters typically do not filter properly.
  • A sealed waste drawer is used, and the model supports up to four cats.

Spec by spec

Where they really differ

Where PETLIBRO Luma Smart Litter Box and Whisker Litter-Robot 4 with Step and Waste Drawer Liners differ
SpecPETLIBRO Luma Smart Litter BoxWhisker Litter-Robot 4 with Step and Waste Drawer LinersIn practice
CameraBuilt-in live cameraNo built-in cameraWith Luma comes visual access and a privacy decision to make.
Wi-Fi2.4 and 5 GHz2.4 GHz onlyThe network setup may favor Luma.
Body dimensions23.3 wide, 22.5 deep, 28.1 high22 wide, 27 deep, 29.5 highLuma is less deep but wider.
Weight33.01 pounds24 poundsLR4 weighs less.
LitterClumping clay, suitable tofu and mixedClumping clay recommended, plant typically unsuitableIf you use tofu litter, check this before switching.
FloorHard flat floor and four-inch surrounding clearanceFirm floor preferred, optional Carpet TrayCarpet is expressly excluded by Luma.

Trade-offs

What each pick costs you

With PETLIBRO Luma Smart Litter Box

  • You can't fill it with crystal, pine or ultra-fine litter, and the floor under it has to be hard and level.

With Whisker Litter-Robot 4 with Step and Waste Drawer Liners

  • Open rake boxes sit lower, since this tall body needs more vertical room.

Change of plan

When the answer changes

You want records without a camera in a much lower cabinet

Neither model fits. PuraMax 2 stands 21.73 inches tall and has a 7-liter drawer, and it sets a strict adult-cat minimum.

Decision guide

How to decide

Luma is for those who prefer an open entry and want video or 5 GHz. Litter-Robot 4 is for camera-free monitoring, lighter handling and a larger listed cat-weight range.

01

Visual records

You can watch Luma live with no subscription, while recorded history and advanced analysis run on Video Cloud AI. LR4 gives you visit and individual-weight information and needs no camera. Neither set of records amounts to a diagnosis, so changes that worry you still call for professional attention.

02

Your current litter and floor

A mismatch on litter or flooring can rule out a model before video features enter the picture. Luma supports suitable tofu and mixed clumping litter but excludes carpet. Whisker favors clumping clay and offers an accessory that improves weight readings on carpet.

03

In a multi-cat home

Whisker describes LR4 for up to four cats, whereas Luma can recognize up to ten. Being able to recognize that many cats does not mean one box can stand in for every accessible toilet your household needs. Keep an eye on queueing, refusals and how often you clean, and add boxes when they are needed.

Check these before you buy

  • Automatic cleaning should wait until you have read the exact age and weight rules. Having a sensor count says nothing about whether a small kitten is suited to it.
  • The published cabinet dimensions are only part of it, so also leave room to get at the waste and to deep clean.
  • During the switch, leave a backup litter box the cat can reach, and arrange daily care for when you are away.

What this page can’t tell you

  • Noise, odor and cat acceptance were not put through hands-on testing.
  • Daily checks still matter, because the waste-storage day claims are only manufacturer estimates. Records in the app cannot diagnose illness.

By the numbers

What the data shows

What we found across the automatic litter boxes we compare, plus the checked facts behind each finding.

How many fit

None of the 24 models checked meets all of “Watch litter box video”, “Keep cameras out of my home”, “Get online over 5GHz Wi-Fi”, and “Keep using the clumping litter I have”, so the pick goes to the closest practical compromise.

0 models fit, out of 24 checked
Show the facts and the math
Models in the comparison
24 models
Sources
3 covering these models
Product data updated

How we countedThe count uses each product's current fit ratings for “Watch litter box video”, “Keep cameras out of my home”, “Get online over 5GHz Wi-Fi”, and “Keep using the clumping litter I have”. A need with no documented match is not counted.

The facts and sources behind each product in this recommendation
ProductNeeds it meetsFacts we checkedSources
PETLIBRO Luma Smart Litter Box
  • Watch litter box video
  • Get online over 5GHz Wi-Fi
  • Keep using the clumping litter I have
  • 2.2 pounds is where automatic cycling starts.
  • The cabinet is 23.3 inches wide.
  • Clumping, plant is the documented litter fit.
Whisker Litter-Robot 4 with Step and Waste Drawer Liners
  • Avoid a camera in my
  • Keep using the clumping litter I have
  • A cat must weigh at least 3 pounds for automatic mode.
  • With a 22 by 27 inch footprint, the cabinet is 22 inches wide.
  • Clumping clay is Whisker's recommendation, and it says plant-based litters typically do not filter properly.

Ready to buy

See today’s price and what owners say

Open either model on Amazon for the current price, customer reviews and delivery options.

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