A precision health app for people living with Mast Cell Activation Syndrome. Log symptoms, identify triggers, track medications, and uncover the patterns behind your flares — powered by AI, and ready to pair with the MCT - 1. Free on iOS and Android.
Built with the MCAS community, MastCell Tracker turns scattered notes and guesswork into clear, shareable insight.
Capture symptoms in seconds — type, severity, and time — so nothing gets lost between appointments.
The app connects the dots between foods, environments, and activities to surface your likely triggers.
Keep a clear record of medications and doses, and see how they line up with how you feel.
Our AI, grounded in mast cell research, highlights trends and anomalies a single log would miss.
Turn weeks of data into a clean summary you can bring to your doctor for faster, better decisions.
Your health data stays yours. The app is built privacy-first, protecting sensitive information by default.
Record symptoms, meals, medications, and moments — by hand or automatically with the MCT - 1.
The app quietly builds a timeline of your health, day after day, so patterns can emerge.
AI turns that timeline into clear insights and likely triggers you and your care team can act on.
MastCell Tracker maps the relationship between your triggers, symptoms, environment, and daily life — so the patterns behind your flares stop being a mystery.
Every screen is designed with the MCAS community: fast to log on a hard day, and clear enough to hand straight to your care team. The same experience on iPhone and iPad, so your health data is always within reach.
Start free with manual tracking — everything you need to understand your triggers and share progress with your care team.
When you're ready, connect the MCT - 1 wearable biosensor and the app fills in automatically — continuous mast cell activation, heart rate, and inflammatory signals flowing straight into your timeline, 24/7, with no manual logging required.
Explore the MCT - 1 →Yes — the app is free to download on the Apple App Store and Google Play.
It lets people with MCAS log symptoms, identify triggers, track medications, and uncover patterns over time with AI-driven insights you can share with your care team.
No. The app works on its own for manual tracking, and it also pairs with the MCT - 1 wearable biosensor for continuous, automatic monitoring.
Yes. The app is built privacy-first — your health data stays yours, and sensitive processing is designed to protect your privacy by default.
Free on iOS and Android. Your patterns are waiting to be found.