MCAS Journey
Onrival LLC Health & Fitness iPhoneiPadiPod touch
MCAS Journey is a free Health & Fitness app for iPhone and iPad by Onrival LLC. Requires iOS 14.0.0. Updated September 4, 2026.
- Price
- Free
- on the App Store
- Size
- 63 MB
- Age 17+
- Updated
- Sep 4
- 2026 · v2.0.2
Screenshots
About MCAS Journey
Join 200,000+ users in the Health Journey Community. MCAS Journey is an AI health tracker that connects your mast cell reactions, severe histamine responses, and daily habits to help you identify personal triggers and manage flare-ups. Built for quick, customizable logging, it links your hives, flushing, respiratory shifts, and brain fog with your medications, lab markers, stress, sleep, diet, and environment so you can manage your health with confidence. COMPREHENSIVE DAILY TRACKER (80+ BIO-MARKERS) - Cutaneous & Flush Reactions: Track hives (urticaria), sudden flushing, itching, dermatographism, and facial swelling. - Respiratory & Cardiovascular: Log shortness of breath, wheezing, throat tightness, dizziness, and blood pressure shifts. - GI & Histamine Flares: Record severe bloating, abdominal cramping, nausea, diarrhea, and acid reflux. - Neurological & Systemic: Track brain fog, chronic fatigue, dysautonomia spikes, headaches, and body aches. - Environmental & Food Triggers: Track high-histamine foods, temperature shifts, stress, chemical exposures, and exercise. - Custom Trackers: Add your own unique symptoms, custom triggers, and tailored bio-markers. INTEGRATED HEALTH TOOLS - My Flare-up Log: Record acute allergic flares, anaphylactic episodes, and reaction spikes to isolate immediate triggers. - My Meds: Log H1/H2 blockers (Cetirizine, Famotidine), Cromolyn Sodium, Xolair, EpiPen, and targeted supplements. - My Labs: Track Tryptase, Histamine, Chromogranin A, IgE panels, and routine immune markers over time. - My Care Team: Store contacts, log visit notes, prepare AI-guided questions, and export doctor PDF reports. - My Health Score: Monitor overall health score, reaction trends, and medium-term progress over time. - My Assessments: Take clinical screenings to track MCAS severity, histamine impact, and quality of life. - My Goals: Get actionable goals tailored to your context—like low-histamine choices, pacing, or hydration. PERSONALIZED AI LEARN & INSIGHTS - AI Health Companion: Ask anything about your health and get real-time answers based on your history. - Daily Journal: Get supportive insights on daily triggers—e.g., balancing food choices with stress or sleep. - Knowledge Center: Get instant answers from medically reviewed sources tailored to your symptoms and history. WHY MCAS JOURNEY? - Privacy-First: Your health data is 100% encrypted and never sold. - Multi-Condition Tracking: Manage overlapping symptoms and multiple conditions. - Clinical Reports: Easily export PDF summaries for your doctor. - Enterprise Security: HIPAA-ready, GDPR compliant, and AES-256 encrypted. - Global Support: Available in 20+ languages. IDEAL FOR - Conditions: Mast Cell Activation Syndrome (MCAS), Mastocytosis, Histamine Intolerance (HIT), Dysautonomia, POTS. - Symptoms: Hives, Anaphylaxis, Flushing, Brain Fog, Severe Bloating, Low Blood Pressure, Wheezing. - Specialized: Multi-Condition Tracking, Overlapping Symptoms, Low-Histamine Logging, Flare Prevention. IMPORTANT DISCLAIMER: This app is a personal symptom and data logging tool and is NOT a medical device. It does not diagnose, treat, or cure any condition. Always consult a licensed healthcare professional for medical advice, diagnosis, and treatment. Privacy: https://mcasjourney.flutterflow.app/privacy EULA: https://mcasjourney.flutterflow.app/termsAndConditions -- Health Journey Labs by Onrival LLC Supporting women's health, chronic conditions, autoimmune diseases, and complex health journeys. Learn more at healthjourneylabs.com
App privacy
The developer, Onrival LLC, 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:
- Usage Data: Product Interaction
- Location: Coarse Location
- Contact Info: Email Address, Name
- Identifiers: User ID, Device ID
Used for: Analytics, App Functionality
Alternatives to MCAS Journey
Looking for apps like MCAS Journey? Here are 6 similar apps on the App Store. The highest rated is MCAS Tracker (4.4/5), and all 6 are free to download.
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Flara Pro: Skin Trigger Diary
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Low Histamine: Food Tracker
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FODMAP Diet Scanner & Planner
-
POTS & Dysautonomia: Ballast
-
MastCell Tracker
3.3
-
MCAS Tracker
4.4
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| MCAS Journey | – | Free | September 4, 2026 | |
| Flara Pro: Skin Trigger Diary | – | Free | Oct 21, 2026 | Compare |
| Low Histamine: Food Tracker | – | Free | Aug 17, 2026 | Compare |
| FODMAP Diet Scanner & Planner | – | Free | Sep 17, 2026 | Compare |
| POTS & Dysautonomia: Ballast | – | Free | Oct 8, 2026 | Compare |
| MastCell Tracker | 3.3 / 5 (3) | Free | Aug 8, 2026 | Compare |
| MCAS Tracker | 4.4 / 5 (21) | Free | Jun 7, 2026 | Compare |
Compare MCAS Journey with the top alternatives: ratings, updates, ASO score and keyword gaps →