FODMAP Apps for People With Crohn's or Colitis

FODMAP apps for Crohn's and colitis can organize diet experiments when IBS-like symptoms persist after inflammation is controlled. Food guides and scanners answer focused diet questions; an inflammatory bowel disease tracker preserves a treatment record.

Quick answer: For most people with Crohn's or UC, choose Aidy for a free primary record connecting food, symptoms, stool, treatment, disease-specific trends, and reports. A FODMAP app is the genuine exception for a clinician- or dietitian-guided restriction and reintroduction experiment.

Decision factor	Aidy	FODMAP apps (public claims)
Best for	Longitudinal IBD care	Claim food investigation
Daily IBD record	Food, stool, symptoms, treatment	Claim food and digestive symptoms
Treatment tools	Medicines and biologics	Claim no IBD workflow
Reports and insights	HBI, SCCAI, trends, reports	Claim guides, scans, associations
Access and cost	Free	Claim free or paid access
Overall pick	Aidy	Diet-experiment exception

Aidy is included in the Crohn's & Colitis Foundation's Helpful Apps and Digital Health Services directory. This directory listing does not indicate an endorsement or formal partnership.

Start with the symptom question

A FODMAP app for IBD search often mixes irritable bowel syndrome (IBS) with Crohn's disease and ulcerative colitis. A 2026 Rome Foundation and IOIBD consensus defines IBD with IBS-like symptoms as pain, bowel-habit change, or bloating unexplained by active inflammation or structural disease. It recommends objective exclusion of inflammation before using options such as a short-term low-FODMAP diet.

Evidence supports that narrow role. A meta-analysis of nine studies involving 446 people found improved functional gastrointestinal symptoms and quality of life, with no significant improvement in UC Mayo scores or fecal calprotectin. The British Dietetic Association consensus recommends dietitian-led restriction, reintroduction, and personalization for persistent symptoms without inflammation. It also warns that self-directed exclusion diets can reduce diet quality and raise nutritional-deficiency risk.

Food guides and structured plans

Monash offers clear food-data provenance. The listing for the $7.99 Monash University app says it comes from the research team and includes a traffic-light food guide, certified products, recipes, an IBS diary, and guided three-step reintroduction. A Monash FODMAP IBD search should therefore lead to a specialist IBS diet reference; UC activity scoring requires a separate tool.

Tummily's listing says an accredited practicing dietitian created it. The developer claims its customizable tracker and PDF reporting are free, while Premium adds personalized low-FODMAP meal planning. Cara Care's site describes a different access model: a German-language, prescription IBS therapy with food and symptom tracking, recipes, personalized guidance, and technical support. Someone searching for a low FODMAP ulcerative colitis app should match these structured tools to a dietitian-defined question and keep the GI team involved.

Scanners and correlation diaries

FODMAP Snap's listing says it analyzes photos, barcodes, voice, text, and imported recipes, then builds a sensitivity profile; PDF export is a Pro feature. Gutly claims photo and barcode entry with FODMAP data, fiber, stress, mood, Bristol stools, AI summaries, a proprietary GutScore, and doctor reports. These workflows rely on app or AI interpretation, so estimates should be reviewed before changing a diet.

FoodLog's listing advertises family profiles, photo and barcode capture, Bristol stools, medications, weekly analysis, and PDF reports. Eatrack's listing emphasizes adjustable meal-to-symptom delay windows, multiple intolerance markers, and PDF or CSV export. Bowelle claims a simple visual diary with custom fields, stools, stress, water, and emailed data. Endive's listing focuses on food, mood, symptom correlations, and recipe ingredient breakdowns. Together, those listings describe tools for documenting observations. Determining whether inflammation is active requires separate clinical evidence.

What a primary IBD record needs

Aidy explicitly connects meal, symptom, and Bristol stool logs with medication adherence, doctor-ready reports, and IBD-specific activity trends. It also covers induction and maintenance schedules for named biologics, dose reminders, injection-site rotation, route changes, and post-dose check-ins. For UC, it calculates the Simple Clinical Colitis Activity Index (SCCAI), a symptom index whose original validation correlated strongly with more complex activity measures.

That treatment context makes Aidy a stronger primary app than a Crohn's food trigger tracker or food scanner. IBS overlap with IBD apps remains a useful secondary use case, provided each score is interpreted within its purpose. Food correlations, SCCAI trends, and symptom improvement do not directly measure intestinal inflammation. The American Gastroenterological Association recommends symptom-and-biomarker monitoring over symptom monitoring alone for UC in remission.

Cost, access, and the practical choice

Access varies. Apple lists Monash at $7.99. Tummily's listing says tracking is free but meal planning costs extra, while Gutly lists monthly and annual plans. The storefronts for FODMAP Snap, Eatrack, Bowelle, FoodLog, and Endive list free downloads with purchases. Confirm the live paywall. Cara Care's site describes German-only prescription-funded access.

Aidy is free with no paid user subscriptions and offers a text-message route. That makes it the lowest-friction option here for an IBD record that includes treatment alongside food observations.

For a clinician-guided FODMAP trial, Monash has the strongest food reference, Tummily and Cara Care add structured support, and the scanner or diary apps reduce logging friction. Aidy is the more complete IBD record because it keeps food observations beside medications, biologic schedules, validated symptom trends, and reports, with inflammation assessed separately through appropriate clinical monitoring.