Smart litter boxes with weight tracking: a real health tool for cats, or just a gadget?

🐈 Cats · 🧰 Accessories · updated 2026-08-27

Green-eyed tabby cat settled on a sofa

A connected litter box that weighs the cat at every visit and logs how often it comes can flag a weight change or a shift in urination habits before it becomes visible to the eye, a real benefit for a senior cat or one at risk of kidney disease or cystitis. A study by Zeiler, Kummer, Fischer, Sipos and Bilek, published in 2014 in the Journal of Feline Medicine and Surgery, notes that regular body weight monitoring remains one of the most reliable indicators for catching disease early in cats, even though this parameter is often tracked too irregularly day to day (research on Google Scholar). Find more pointers in our accessories section.

What does a smart litter box actually measure?

The cat's weight at each visit, the number of daily visits and sometimes the time spent in the box are the most common data points, sent to a mobile app. These models typically cost £300-£500, well above a standard self-cleaning litter box (£130-£260), the price gap mostly reflecting the sensors and connectivity.

Which cats make the investment worthwhile?

A senior cat, or one already being monitored for kidney disease, diabetes, or a history of cystitis, gets the most benefit from this automated tracking, which can alert the owner before a clear clinical sign appears. For a young, healthy cat, a monthly manual weigh-in plus attentive observation of litter-box behaviour remains sufficient and far more affordable.

What are the limits worth knowing?

Our comparison of self-cleaning litter boxes covers non-connected models, often enough for most households.

Frequently asked questions

Do these litter boxes replace vet check-ups?

No, they complement monitoring rather than replacing it; any weight or frequency alert should be checked with a veterinary exam.

Are they reliable for a growing kitten?

A kitten's natural weight gain can throw off the trend charts; these models are mainly designed for adult or senior cats whose weight should stay stable.

Is there a cheaper alternative?

A simple regular weigh-in on a baby scale or kitchen scale, paired with a tracking notebook, covers the essential information for a healthy cat without a connected investment.

This guide is part of Planète Pets’s Cats universe. Our advice is general in nature: for any health concern, your veterinarian remains the only reference.

📗 Free guide: the 10 mistakes new owners make

The ten mistakes almost every new dog or cat owner makes, and how to avoid them: first-year food, health, training and budget, in one clear guide with instant access.

Read next