ReactionLog: Symptom Tracker
Track Food Allergy, IBS & Gut
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
New: Snap photos of ingredient labels to instantly detect hidden food triggers. Track symptoms, uncover IBS patterns, and own ReactionLog forever with Lifetime Access!
Are you struggling with bloating, stomach pain, or unexplained reactions after eating?
Discover your trigger foods and take control of your gut health with ReactionLog: Symptom Tracker. Whether you are managing IBS, food allergies, acid reflux, or food intolerances, ReactionLog makes it simple to scan ingredients, log meals, and track how your body responds.
SMART INGREDIENT & BARCODE SCANNER
Skip reading tiny ingredient lists. Use our built-in barcode scanner to check products for hidden triggers instantly. Ideal for finding gluten, dairy, lactose, soy, histamines, or custom ingredients you want to avoid.
EASY FOOD & SYMPTOM DIARY
Log your meals, snacks, and drinks in seconds. Track physical reactions such as:
- Bloating, gas, and stomach pain
- IBS, acid reflux, and digestion issues
- Skin rashes, eczema, and hives
- Headaches, fatigue, and energy levels
FIND YOUR TRIGGER FOODS
Understand the connection between what you eat and how you feel. ReactionLog helps you correlate logged meals with symptoms over time, making elimination diets (like Low FODMAP) or food intolerance tracking much easier to visualize.
100% PRIVATE & LOCAL-FIRST
Your health data is personal. ReactionLog stores all of your records securely on your own device. No forced accounts, no cloud database uploads, and absolute privacy.
WHO IS REACTIONLOG FOR?
- Anyone managing IBS, GERD, Crohn's, or Colitis
- People tracking food allergies (gluten, dairy, nuts, shellfish, etc.)
- Individuals identifying food sensitivities and intolerances
- Anyone on a Low FODMAP, Gluten-Free, or Elimination Diet
- People looking to improve their overall gut health
Stop guessing what is causing your discomfort. Download ReactionLog: Symptom Tracker today and start listening to your gut!
MEDICAL DISCLAIMER:
ReactionLog is designed solely for personal food, ingredient, and symptom tracking to help identify observational patterns. It is not a medical device and does not provide medical advice, clinical diagnosis, or treatment. Always consult a qualified physician or healthcare professional before making changes to your diet, medication, or healthcare regimen.
PRIVACY & TERMS:
• Privacy Policy: https://github.com/Bobedre/ReactionLog/blob/main/PRIVACY.md
• Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Photo Label Scanner: Snap photos of ingredient packaging or menus to auto-extract ingredients in seconds when barcodes are unavailable.
- Lifetime Access Option: You can now unlock permanent PRO access with a one-time purchase.
- Improved onboarding and symptom tracking performance.
The developer, Bo Christensen, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Bo Christensen
- Size
- 45.8 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- ReactionLog Lifetime $24.99
- ReactionLog PRO - Yearly $14.99
- ReactionLog PRO - Monthly $2.99
- Copyright
- © 2026 ReactionLog