iFast - Simple Fast Tracker app for iPhone and iPad

Simple fast tracker helps you track your fasts, your progress, and your goals. Start your Timer and stay on target with all popular fasting types, including:


• 13-HOUR FAST, based on research by Dr. Satchin Panda (Salk Institute), this 13-hour or “circadian rhythm fast” aligns your eating window with your body’s clock.

• 16-HOUR FAST, or the 16:8 intermittent fast, used by celebrities, athletes, and millions of Zero Members to manage weight and improve metabolic wellbeing.

• 18-HOUR FAST, or 18:6, for more advanced fasters.

• Other popular fasts include OMAD (one meal a day), the 20:4 fast, and custom prolonged fasts up to 7 days.