GutLedger is the private IBS tracker and gut health diary for people managing irritable bowel syndrome, FODMAP intolerance, Crohn's disease, colitis, and digestive conditions.

Track your gut health in one place - no account, no cloud, no subscription. Everything stays on your phone.

━━ FOOD DIARY & FODMAP TRACKER ━━

• Log meals, ingredients, and drinks with FODMAP ratings
• Built-in FODMAP food database with 470+ foods
• Auto-detects high-FODMAP ingredients as you type
• Barcode scanner with FODMAP lookup via OpenFoodFacts (Pro)
• Smart meal suggestions based on your history
• Low-FODMAP meal planner with 7-day scheduling

━━ IBS SYMPTOM TRACKER ━━

• Track bloating, cramping, pain, nausea, wind, fatigue and more
• Bristol Stool Chart with urgency and pain location
• Mood, stress, and sleep logging
• Water and medication tracking
• Menstrual cycle tracking for hormonal IBS correlation
• Activity tracking - see how many days you've logged, with no shame on flare days

━━ TRIGGER FOOD ANALYSIS ━━

• Identifies your personal IBS trigger foods automatically
• Confidence ratings: Strong, Likely, Possible
• Smart filters exclude daily-food noise - staples like coffee don't get false-flagged
• Decays old data over time, so resolved triggers fade naturally
• Safe foods list - foods eaten consistently without symptoms
• Meal-to-symptom timing: know how long YOUR gut takes to react
• FODMAP elimination diet protocol with reintroduction challenges

━━ GUT HEALTH INSIGHTS (Pro) ━━

• Per-drink alcohol breakdown - find out if it's beer specifically, not "alcohol" in general
• Morning-symptom clustering - spots when your worst symptoms hit, so you know which meals to scrutinise
• Day-of-week patterns - surfaces if Wednesdays are consistently your worst day
• Symptom severity trends with week-over-week comparison
• 7-day symptom sparkline - see your gut health at a glance
• Days since last flare tracking
• Symptom heatmap calendar
• Bowel pattern analysis (Bristol type trends)
• Food and mood correlation
• Sleep quality vs symptom severity
• Stress vs symptom analysis
• Period-over-period progress comparison

━━ PRIVACY & SECURITY ━━

• Offline-first: all data stored locally on your device
• No account required - no email, no sign-up
• Biometric lock (fingerprint / Face ID)
• Stool photo tracking with auto-blur until tapped
• Database backup and restore (Pro)
• CSV export and PDF health reports for your doctor or dietitian (Pro)

━━ PRO — ONE-TIME PURCHASE, NO SUBSCRIPTION ━━

• Full trigger food and gut health insights
• Barcode FODMAP scanner
• PDF reports for your GP or dietitian
• Stool photo tracking with privacy blur
• Database backup and restore
• CSV data export
• All future Pro features included

Whether you're newly diagnosed with IBS, following the low-FODMAP diet, or trying to identify your personal digestive triggers - GutLedger helps you connect the dots between what you eat and how you feel.

Built by someone with IBS, for people with IBS.