One-tap logging
Calendar view
AI insights
Stats & regularity
Throne Room
Log bowel movements in one tap with the Bristol Stool Scale. See patterns, get insights, and share doctor-ready reports - all from your device.
Download for iOS
One-tap logging
Calendar view
AI insights
Stats & regularity
Throne Room
One tap to select your Bristol type. Add color, urgency, pain, tags, and notes - or keep it simple. Your choice.
Calendar view, year-at-a-glance grid, regularity score, and Bristol distribution - your gut health at a glance.
18 built-in detectors find food correlations, timing patterns, and anomalies. Weekly AI analysis surfaces trends you might miss.
Generate professional PDF summaries for your gastroenterologist. Share the data points that matter clinically.
Build logging habits with streaks. Compete anonymously on the Throne Room leaderboard across 6 categories. Earn 40 achievement badges.
Log from your home screen, lock screen, or wrist. Six widget surfaces and a full Apple Watch app with Bristol picker.
Home screen widgets, lock screen glances, and a full Apple Watch app - so your phone stays in your pocket.
Regularity ring
Bristol picker
Quick log
Two interactive tools built on the Bristol Stool Scale. Use them right in your browser.
Answer 4 quick questions about your last one. Get an instant read on whether it's healthy or worth a doctor's attention.
Rate yours → ReferenceTap any of the 7 Bristol types to see what it means, transit time, and when it's worth worrying about.
Explore the chart → FunEnter your age. See how many poops, how many pounds, and how many days on the toilet.
See your numbers →Number Two is local-first. No account required. No analytics. No tracking. Optional cloud sync if you want it - but your health data never leaves your control.
Free to download. No account required. Start tracking in under 60 seconds.
Download for iOS