Bowelog app icon

Bowelog

One tap. Done.

Bowelog is the simplest way to track your bowel health. Log an entry instantly with the Bristol Scale — free, private, no account, no ads. Your data stays on your iPhone only.

Download on the App Store

The fastest gut health diary.

Hit the button — Bowelog records the time and date instantly. Add stool type, color, ease, duration, blood, or notes later, only when you want to.

Bowelog one-tap bowel movement logging on iPhone

Bristol Scale, built in

The international medical standard with all 7 types and clear illustrations. Types 3–4 ideal, 1–2 constipation, 6–7 diarrhea.

Bowelog Bristol Stool Scale selector with all seven types

Track what matters

Stool type, color, ease of passing, duration, blood present, and free-text notes — everything your doctor may ask about.

Bowelog entry details screen with color, ease, and notes

History & stats

Color-coded calendar, month-by-month history, average interval between visits, weekly frequency chart, and most common stool type.

Bowelog statistics screen with calendar and bowel health trends

100% private. Always.

No account, no cloud, no tracking, no ads. Every entry stays on your iPhone or iPad only — Bowelog never sees your data.

Bowelog app showing private on-device data storage on iPhone

Built for real life

Managing IBS, Crohn's, colitis, or constipation? Bowelog gives your doctor the data they need — without the complexity you don't. Dark mode, iPhone & iPad, works offline.

Bowelog gut health tracker running on iPhone in dark mode

Learn more about Bowelog

One tap. Done.

Bowelog is the simplest way to track your bowel health. One tap logs an entry. No forms, no sign-up, no friction.

Hit the button. Bowelog records the time and date instantly. That's all you need to do. Come back later to add stool type, color, ease, duration, blood, or notes — or don't. Your call.

Bristol Scale, built in

The Bristol Stool Scale is the international medical standard used by gastroenterologists worldwide. Bowelog shows all 7 types with clear illustrations so you always log the right one.

  • Types 3–4 → ideal
  • Types 1–2 → constipation range
  • Types 6–7 → diarrhea range
  • Share this data with your doctor at your next appointment
Track what matters

Each entry can include:

  • Stool type (Bristol Scale 1–7)
  • Color: normal, yellow, green, black, red
  • Ease of passing: very easy → very hard
  • Duration in minutes
  • Blood present (with medical reminder)
  • Free-text notes for your doctor
History & stats
  • Color-coded calendar — see patterns at a glance
  • Full month-by-month history
  • Average interval between visits
  • Weekly frequency chart
  • Most common stool type this month
100% private. Always.

No account. No cloud. No tracking. No ads. Every entry stays on your iPhone or iPad only. Bowelog never sees your data — not a single entry.

Built for real life

Managing IBS, Crohn's, colitis, or constipation? Or just want to keep an eye on your gut? Bowelog gives you exactly the data your doctor needs — without the complexity you don't.

Dark mode. iPhone & iPad. Works offline, always.

Languages

Available in English, Russian, German, French, Spanish, Italian, Polish, Portuguese, Japanese, and Korean.

Bowelog is a personal tracking tool and does not provide medical advice or diagnosis. Consult your doctor for any medical concerns, especially if you notice blood in stool or persistent changes in bowel habits.