Understand Your Heart Rhythm Patterns
RhythmTracker helps you discover connections between daily life, mood, and heart rhythm symptoms. Whether you experience atrial fibrillation, palpitations, or other arrhythmias, this app provides insight and data to understand your triggers.
Who Should Use RhythmTracker
Anyone experiencing heart rhythm irregularities: Atrial Fibrillation, PVCs, Palpitations, SVT, or other arrhythmias. Especially valuable for those logging lifestyle triggers, preparing for cardiology appointments, or managing chronic arrhythmia.
Beautiful Calendar Interface
Track your heart health with an intuitive monthly calendar. Each day shows symptom intensity with color-coded indicators, making patterns visible immediately. Quick navigation lets you jump to any date or log today's experience in seconds.
Personalized Daily Tracking
Track symptom intensity on a 0-5 scale, record your mood, log personal habits, and add notes when needed. Define up to 10 custom situation labels matching your lifestyle—coffee, exercise, stress, alcohol, foods, sleep quality, or whatever might affect your symptoms. Optional menstrual cycle tracking is available.
Powerful Statistical Analysis
With at least two weeks of entries, run comprehensive analysis using established medical research methods: Spearman Correlation identifies which habits and moods occur with symptoms; Time-Lagged Analysis detects delayed effects up to 3 days later; Fisher's Exact and Chi-Square Tests validate pattern significance; confidence ratings separate real patterns from chance.
Results You Can Understand
Every finding is explained in plain English: "Symptoms were more common on Coffee days - Noticeable pattern." Each result includes confidence indicators so you know which patterns deserve attention.
Healthcare Collaboration
Export tracked data as CSV files for doctor appointments. Visual calendars and statistical summaries enable informed conversations about triggers and treatment.
Complete Privacy
All tracking and analysis happens on your iPhone. Your data never leaves your device unless you export it. No cloud storage, no account required, no data sharing.
Key Features
Calendar: Monthly view with color-coded indicators, swipe navigation, one-tap access to any day.
Daily Entry: Symptom intensity slider (0-5), mood tracking, up to 10 customizable habit labels, optional menstrual tracking, daily notes.
Analysis: Spearman correlation, time-lagged detection (0-3 days), Fisher's Exact and Chi-Square tests, plain-English explanations, confidence indicators.
Export: CSV files including all tracked data and notes.
How It Works
Customize categories for habits you want to track
Log daily (30 seconds): symptom intensity, mood, situations, optional notes
Build history over 2+ weeks for meaningful pattern detection
Run analysis to identify significant patterns
Review plain-English findings with strength indicators
Share CSV exports with your doctor
The Science
RhythmTracker uses recognized statistical methods: Spearman Correlation measures whether factors—including mood—occur together with symptoms; Time-Lagged Analysis reveals delayed effects; Fisher's Exact and Chi-Square Tests determine significance. Every finding includes p-value calculations indicating confidence.
Medical Disclaimer
RhythmTracker is a tracking tool, not a medical device. It does not diagnose conditions or provide medical advice. Findings are observational correlations to discuss with your provider. For severe symptoms, chest pain, or difficulty breathing, seek immediate medical attention.
Privacy Commitment
Your health information stays on your device. We do not collect, store, or access your data. No accounts, no cloud storage, no analytics. Complete control is yours.
Start Today
Download RhythmTracker and discover patterns affecting your heart health. Consistent logging, powerful analysis, and complete privacy help you and your doctor make informed decisions.
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