News & Trends2026-04-22Carelogy編集部
Smart Cat Toilets 2026: Complete Comparison — Toletta, Catlog, SHARP & CATLINK Analyzed
4 smart cat toilets compared on practicality, accuracy, cost & multi-cat support. Auto-track urine volume, weight & frequency to catch kidney disease and diabetes early.
Why the Litter Box Is the Frontline of Cat Health Monitoring
Cats instinctively hide illness. By the time visible symptoms appear, disease has often already progressed significantly.
But cats cannot hide changes in their toilet behavior.
What toilet data reveals:
| Data | What It Shows | Related Conditions |
|---|---|---|
| Increased urine volume | Polydipsia/polyuria | CKD, Diabetes, Hyperthyroidism |
| Decreased urine volume | Dehydration/obstruction | FLUTD, Urinary blockage |
| More frequent urination | Pollakiuria | Cystitis, Urinary disease |
| Gradual weight loss | Chronic disease progression | CKD, cancer, hyperthyroidism |
| Rapid weight gain | Obesity progression | Obesity, Diabetes |
| Longer time in toilet | Difficulty urinating | Urinary blockage, Constipation |
Example: The earliest sign of kidney disease — increased urination — means urine volume exceeds 1.5x normal. But with clumping litter, detecting this visually is nearly impossible. Smart toilets detect changes at 0.1g precision.
We've moved from "something seems off" to data-driven health monitoring.
4 Major Smart Cat Toilets Compared (2026 Edition)
Here are the 4 major smart toilets available in Japan, compared.
① Toletta
- Price: Device ¥0 (subscription: ¥1,480/month)
- Measures: Urine volume, frequency, weight, time in toilet
- AI features: Anomaly alerts, disease risk prediction
- Multi-cat: Camera-based identification (up to 6 cats)
- Pros: Japan-made, vet collaboration features, AI disease prediction
- Cons: Subscription required, camera-dependent identification accuracy
② Catlog Board 2
- Price: ~¥15,000 device + ¥580/month
- Measures: Urination count, defecation count, weight
- Multi-cat: Weight-based identification
- Pros: Just place under existing toilet — easiest setup
- Cons: Cannot measure urine volume (only count), poor accuracy for similar-weight cats
③ SHARP Pet Care Monitor
- Price: ~¥25,000 (no subscription)
- Measures: Urine volume, frequency, weight, room temperature
- Multi-cat: Microchip or dedicated tag identification
- Pros: No subscription, reliable microchip-based identification
- Cons: Larger size, requires proprietary litter
④ CATLINK
- Price: ¥35,000-60,000 (including self-cleaning models)
- Measures: Weight, elimination count, time in toilet
- Multi-cat: Weight-based identification
- Pros: Self-cleaning function, large capacity
- Cons: No urine volume measurement, expensive
Which should you choose?
- Kidney disease early detection → Toletta or SHARP (urine volume measurement)
- Easiest setup → Catlog Board 2 (add to existing toilet)
- Multi-cat → SHARP (reliable microchip ID) or Toletta (camera ID)
- Reduce cleaning work too → CATLINK (auto-clean + data logging)
Record changes in your cat's expression with CatsMe
Alongside smart-toilet readings, recording weight, meals and water intake helps you explain the timeline to your vet. CatsMe (by Carelogy Inc.) uses AI to check a photo of a cat's face for signs of pain in its expression. It does not diagnose disease, assess overall health or replace a veterinarian; if you are worried, contact your vet regardless of the result.
- Keep dated records of weight, meals and water intake to show your vet
- Records are kept per cat, so it works for multi-cat homes (iOS, Android and web, 14 languages)
- Developed with a background in university joint research; over 1 million checks run to date
Learn more about CatsMe →
兽医问「什么时候开始的？」你答得上来吗？
CatsMe 用 AI 检查猫咪面部照片，查看表情中是否有疼痛迹象，并为每只猫保存带日期的记录，方便与兽医一起查看。它不能诊断疾病。
スマートトイレIoTTolettaCatlogSHARP健康管理2026
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