# Litter-Robot 4 vs. 5 vs. 5 Pro: Which Automatic Litter Box Fits Your Budget and Home
Whisker's Litter-Robot line offers three automatic litter box options at different price points, and the differences matter more than you might think.
The Litter-Robot 4 sits at the entry level, priced around $699. This model includes the core features cat owners expect from an automatic box: self-cleaning after every use, app connectivity through the Whisker app, and capacity to handle multi-cat households. The LR4 handles the basics well, making it a solid choice for owners prioritizing affordability over advanced features.
Step up to the Litter-Robot 5, priced near $799, and you gain real improvements. The LR5 introduces WasteID odor detection technology, which identifies and isolates waste more precisely than the previous generation. The waste drawer capacity increased, meaning fewer trips to empty it. An LCD screen replaces manual buttons on the LR4, giving you immediate visual feedback without opening the app. Perhaps most useful: the LR5 performs better on carpet without requiring a protective mat, addressing a common pain point for apartment dwellers and homes with carpeted bedrooms.
The Litter-Robot 5 Pro, at approximately $999, targets owners willing to pay premium prices for maximum convenience. It retains all LR5 upgrades while adding features designed for serious multi-cat homes and cleanliness-focused owners. The Pro version includes advanced health monitoring through the Whisker app, allowing you to track each cat's litter box usage patterns. This data proves invaluable if you have multiple cats and want to monitor individual health without guessing who used the box.
All three models connect to the Whisker app, which sends notifications when the waste drawer needs emptying, alerts you about robot malfunctions, and tracks usage over time. This app integration means you can monitor your cat's bathroom habits remotely, potentially catching urinary tract infections or other health issues earlier.
Price alone shouldn't drive your decision. Consider your living situation first. Carpet owners benefit from the LR5 or LR5 Pro's improved carpet compatibility. Owners of single cats likely won't notice the drawer capacity difference between LR4 and LR5, making the LR4 a practical choice. Households with three or more cats benefit from the larger drawer and health monitoring in the LR5 Pro.
The Whisker app functionality appears consistent across all three models, so basic remote monitoring works equally well on the $699 LR4 or the $999 Pro. The real spending question becomes whether WasteID odor technology, the LCD screen, carpet performance, and health tracking justify the $200 to $300 price difference.
Litter-Robot boxes require regular maintenance regardless of model. Empty the waste drawer weekly in multi-cat homes, clean the globe and bonnet monthly, and monitor the filter status through the app. All three handle these tasks similarly.
For budget-conscious owners with single or dual-cat homes, the LR4 delivers solid automation without premium pricing. Owners with three-plus cats, carpet floors, or deep interest in health monitoring should consider the LR5 or LR5 Pro to maximize the investment's value.