DoFast vs FastTrak

Smart intermittent fasting tracker. Choose 16:8, 18:6, 20:4, OMAD or custom protocols. - Multiple fasting protocols - Metabolic phase tracking - Timer with eating window - Calendar heatmap - Statistics and streaks - Dark mode - English and Hebrew Not medical advice. Consult your doctor. Use at your own risk.

FastTrak is the fasting companion for people who want more than a countdown timer. Start a fast in one tap and follow your progress with live, personalized fasting insights, weight tracking, widgets, and powerful analytics. FastTrak is built for iPhone, integrates with Apple Health, and is designed with privacy in mind. FASTING TIMER - Start a fast in one tap with a beautiful progress ring - Supports 16:8, 18:6, 20:4, OMAD, and custom fasting windows - Edit your start time or goal duration at any time - Weekly ring view shows your last 7 days at a glance LIVE FASTING INSIGHTS - Estimated fat use - Estimated calories used - Estimated glycogen remaining - Money saved based on your grocery cost - Steps taken while fasting - Weight trend over the past week Every estimate is clearly labeled and includes an explanation of how it is calculated. WEIGHT TRACKING - Log weight manually or import from Apple Health - Set a goal weight and see it on your chart - View progress by week, month, or year - Schedule weigh-in reminders on the days you choose APPLE HEALTH INTEGRATION - Reads steps, active energy, body mass, height, date of birth, and biological sex - Uses Mifflin-St Jeor BMR for personalized energy estimates - Syncs weight entries with Apple Health - Keeps your health data on your device WIDGETS FOR HOME & LOCK SCREEN - Progress ring widget for small, medium, circular, rectangular, and inline sizes - Live updates while you are fasting - Activity heatmap widget showing weeks of fasting history (Plus) ANALYTICS WITH FASTTRAK PLUS - 52-week fasting activity heatmap - Weight vs. fasting correlation chart - Weekly fasting hours over 12 weeks - Average fasting duration trend - Cumulative estimated fat use and money saved - Fasting pattern distribution by start and end time - Full fast history DESIGNED FOR PRIVACY FastTrak keeps your fasting history and health data on your iPhone. There are no accounts, no social features, no ads, and no server required to use the app. FastTrak provides wellness estimates only and is not medical advice. Privacy Policy: https://www.bluebry.com/fasttrak/privacy Terms of Use: https://www.bluebry.com/fasttrak/terms