Understand your gut, one calm entry at a time.
A private IBS diary that makes logging effortless, shows you the patterns in plain words, and guides you through the low-FODMAP diet step by step.
Logging stays free for ever. No account needed.
- Your diary stays on your iPhone
- No account or sign-up
- No adverts or tracking
- Export everything, any time
Log in seconds
Three taps. That’s a bowel movement logged.
Pick the closest match on the Bristol stool scale, the chart your doctor already uses, and you’re done. Add urgency, pain or notes only if you want to.
- Symptoms on their own. Rate pain, bloating, gas and more from 0 to 10, plus symptoms you add yourself.
- Meals you can reuse. Tag FODMAP groups and triggers, and log your usual breakfast again in one tap.
- Medication, set up once. Tick doses off each day, with gentle reminders if you want them.
- Fix anything later. Every entry’s date and time can be changed, and deleting has an undo.

See the bigger picture
Charts that actually tell you something.
Symptom severity, bowel movements and stool type over a week, a month or all time. Every axis is labelled, and days with no movement show as zero, so gaps don’t hide the truth.
- A calendar of good and hard days, so you can scroll back through all your history.
- Sleep, stress and water logged in one tap alongside everything else.

Spot patterns
Patterns in plain words, not guesswork.
The app compares how you felt after meals with each tag against meals without it, and tells you the counts: “Bloating was 4 or higher after 7 of 9 meals tagged fructans, and after 6 of 31 other meals.”
- Honest by design. Nothing is shown until there’s enough data to mean something.
- Food, stress and sleep, compared over 6 to 48 hours.

Guided low-FODMAP plan
The diet that works best with a plan.
Low-FODMAP is a short-term learning tool, not a forever diet. The app walks you through each phase and keeps track for you, ideally alongside your dietitian.
Elimination
Two to six weeks of low-FODMAP eating, with a daily check-in to see whether symptoms settle.
Reintroduction
Test one FODMAP group at a time over three days with rising portions, then rest. The app suggests a result and you confirm it.
Personalisation
A clear tolerance summary for every group, ready to share, so your diet stays as varied as possible.
Private by design
Your gut is your business.
There’s no account, no advertising and no tracking. Your diary is stored on your iPhone, and only leaves it when you choose to export it.
On your iPhone
Entries are saved on your device. We never see them, and the app doesn’t upload your diary anywhere.
Yours to take
Export everything as a spreadsheet or backup file whenever you like, free for everyone.
Locked if you like
Turn on Face ID and nobody can open your diary but you.
Simple pricing
Logging is free. Always.
No time limits and no surprise paywall. Pro is there when you want more help making sense of your diary.
Free
For ever, no strings
- All logging: movements, symptoms, meals, medication and lifestyle
- Diary, calendar and charts
- Full export and backup
- Reminders, flare mode and Face ID lock
Pro 7-DAY FREE TRIAL
or £4.99 a month, or £59.99 once
- Everything in Free
- Patterns in your diary
- Guided low-FODMAP plan and tolerance summary
- Doctor report as a PDF
Questions
Good to know
Is this medical advice?
No. The app is a diary that records what you enter and shows patterns in it. It doesn’t diagnose, treat or predict any condition. If you notice blood in your stool, weight loss you can’t explain, or symptoms that wake you at night, please see a doctor.
Does it tell me which foods are high in FODMAPs?
The app explains each FODMAP group in general terms and lets you tag meals by group. For ratings of specific foods and portion sizes, we recommend the Monash University FODMAP Diet app.
Where is my data kept?
On your iPhone. There’s no account and no server holding your diary. You can export a backup whenever you like, and your iPhone’s own backup also includes it.
Is there an Android version?
iPhone comes first. Android may follow after launch.
Can I share it with my doctor or dietitian?
Yes. Pro creates a clear PDF summary for a date range, and everyone can export their full diary as a spreadsheet.
Coming soon to the App Store
Be the first to know when IBS & FODMAP Tracker is ready to download.
Tell me when it launches