Track your gut.
Understand your body.
Log bowel visits in under 10 seconds. See patterns you'd never notice alone. All private, all on your device, and completely judgment-free.

“Finally, an app that doesn't make this awkward.”
Sarah K. · IBS for 6 years
“I showed my GI doctor the export and she loved it.”
Marcus T. · Crohn's patient
“Theo is weirdly comforting. 10/10 capybara.”
Jamie L. · Early tester
Three steps to understanding
your gut
Log it
Tap the Bristol Scale, rate your comfort, add optional context tags. Done in under 10 seconds — no typing required.
See patterns
Your calendar fills with color-coded dots. Spot trends at a glance — frequency, type, and comfort over weeks and months.
Take action
Understand what helps, what doesn't, and when it's time to bring data to your doctor.
Everything you need,
nothing you don't
10-Second Logging
Bristol Scale, comfort rating, context tags — all in one quick tap. No typing required.
Calendar View
Color-coded dots show your patterns at a glance. Tap any day to see the full picture.
Context Tags
Stress, diet, medication, coffee, dairy — tag what matters so you can connect the dots later.
Meet Theo
Your calm capybara companion. Never judges, never nags — just quietly tracks alongside you and celebrates your consistency.

Completely Private
No account. No cloud. All data stays on your device. Face ID / Touch ID lock available.
Doctor Export
Generate a clean PDF summary to share with your healthcare provider. No more guessing from memory.
Your data never leaves your phone
No accounts. No analytics. No tracking. Everything you log is stored locally on your device with optional Face ID / Touch ID protection. We literally cannot see your data.
Free forever. Pro when you're ready.
Subscribe for flexibility, or buy once and keep Pro forever.
Free
- Unlimited visit logging
- Bristol Scale + comfort rating
- Context tags (14 built-in)
- Calendar view (last 30 days)
- Basic streak tracking
- Check-in nudge notifications
- Theo companion
- Privacy lock (Face ID / Touch ID)
- Dark mode
- CSV data export
BowelBuddy Pro
14-day free trial · $6.99 monthly · $79.99 lifetime
- Everything in Free, plus:
- Unlimited calendar history
- Personal baseline calculation
- "What's Working?" correlation dashboard
- Weekly insight cards from Theo
- Mood & stress logging with trends
- Daily habits checklist
- Doctor export PDF (unlimited)
- Unlimited remedy tracking
- Experiment mode (2-week trials)
- Apple Health sync
- Home screen widgets
- Mascot customization
Yes. All data is stored locally on your device — no cloud, no accounts, no analytics. We literally cannot see your data. You can also enable Face ID / Touch ID to lock the app.
