MCAS Tracker
Digital Therapeutics Health & Fitness iPhoneiPadiPod touchApple Watch
MCAS Tracker is a free Health & Fitness app for iPhone and iPad by Digital Therapeutics. Rated 4.4/5 from 21 ratings. Requires iOS 15.5.
- Rating
- 4.4
- 21 ratings
- Price
- Free
- on the App Store
- Size
- 238 MB
- Age 4+
- Updated
- Jun 7
- 2026 · v6.6
Screenshots
About MCAS Tracker
This MCAS Tracker helps you manage mast cell activation symptoms through structured tracking, advanced analytics, and personalized insights. Designed for people living with Mast Cell Activation Syndrome, it provides clarity around reactions, histamine triggers, and symptom cycles, helping you understand what causes flare-ups and how to prevent them. With precise tools for daily tracking, it transforms complex data into actionable health insights. Track and Understand Your Reactions - Quick symptom tracking - Record hives, itching, flushing, headaches, GI distress, or breathing issues in seconds to capture your full experience. - Food and supplement logs - Track meals, ingredients, and supplements to uncover patterns that cause histamine intolerance or trigger mast cell reactions. - Trigger identification - Log environmental, emotional, and seasonal factors to discover what contributes to your flare-ups. - Advanced analytics - View charts and correlations linking food, stress, sleep, and reactions to pinpoint your top triggers and patterns over time. - Medication tracking - Log antihistamines, mast cell stabilizers, or EpiPen use to monitor effectiveness and consistency. - Daily health journal - Combine symptom notes, mood, and activity levels for a complete picture of your condition each day. - Secure, exportable reports - Generate PDF or CSV summaries to share with allergists, immunologists, or healthcare providers for data-driven care. - Encrypted storage - Protect sensitive health data with strong encryption and optional Face ID or Touch ID authentication. Built for Daily Use - Simple, user-friendly design - Quickly record symptoms and insights without extra effort. - Apple Health integration - Sync metrics like heart rate, sleep, and activity to understand how physical health impacts mast cell responses. - Personalized reminders - Stay on track with alerts for medications, hydration, meals, or journaling. - Goal tracking - Set goals like reducing flare frequency or improving sleep quality and visualize progress through trend charts. - Correlation analysis - Identify which foods, times, or environments consistently cause flare-ups or relief. - Offline and cloud backup - Log entries anytime with automatic syncing when reconnected. - Regular updates - Access new tools and refinements designed to make symptom tracking effortless and accurate. Go Beyond Reaction Tracking - Custom MCAS tracker plan - Follow guided steps to monitor symptoms, medications, and triggers across days or weeks. - Comprehensive health record - Track everything from diet, supplements, sleep, and bowel patterns to stress and emotional states in one connected system. - Educational insights - Learn about mast cell activation, low-histamine diets, and lifestyle adjustments that support stability. - Lab and test logging - Record lab results and notes from medical appointments to maintain a complete personal health record. - Activity and wellness tracking - Track rest, exercise, and stress to balance recovery and prevent overexertion. Start Managing MCAS with Confidence Setup is fast - start logging symptoms, tracking reactions, and uncovering your personal triggers in minutes. Choose a flexible subscription plan and manage it directly through the Apple Store. Every feature in this tracker is built to help you identify patterns, reduce uncertainty, and feel more in control of your health. Transform data into understanding and find the balance your body needs. Start tracking today to uncover your triggers and take the next step toward stability and better quality of life. Any insights provided by this MCAS Tracker do not constitute medical advice. The app is designed for tracking purposes only and is not intended to diagnose, treat, cure, or prevent any disease or condition. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & reviews
4.4
21 ratings
What’s new
Version 6.6 · Updated June 7, 2026
This update brings enhanced care plan management, optimized symptom tracking, and streamlined report sharing. - Track your daily care plans with added postpartum exercise routines, helping you stay on top of your mast cell activation syndrome management and navigate physical changes. - Spot correlations between symptoms and potential histamine triggers with improved tracking performance, giving you deeper insights into your condition and informing your treatment decisions. - Share detailed reports with your care team, including lab results and symptom patterns, to facilitate more targeted discussions and effective management of your MCAS. We'd love to hear your thoughts. Drop us a note anytime.
App privacy
The developer, Digital Therapeutics, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Diagnostics: Performance Data, Crash Data
- Identifiers: User ID, Device ID
- Health & Fitness: Health, Fitness
- Contact Info: Name, Email Address, Phone Number
- User Content: Photos or Videos
- Usage Data: Product Interaction
- Sensitive Info: Sensitive Info
Used for: Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality
Alternatives to MCAS Tracker
Looking for apps like MCAS Tracker? Here are 6 similar apps on the App Store. The highest rated is Tether - MCAS Tracker (5.0/5), and all 6 are free to download.
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MastCell Tracker
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Tether - MCAS Tracker
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MASTHAVE
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| MCAS Tracker | 4.4 / 5 (21 ratings) | Free | June 7, 2026 | |
| MastCell Tracker | 3.3 / 5 (3) | Free | Aug 8, 2026 | Compare |
| Histamine Food List & Scanner | 4.8 / 5 (18) | Free | Oct 7, 2026 | Compare |
| Histamine Tracker: Food Diary | 4.8 / 5 (33) | Free | Sep 29, 2026 | Compare |
| MCAS & Mastocytosis | 4.7 / 5 (47) | Free | May 30, 2025 | Compare |
| Tether - MCAS Tracker | 5.0 / 5 (1) | Free | Jun 24, 2026 | Compare |
| MASTHAVE | – | Free | May 11, 2026 | Compare |
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