Waterfaster

The fasting tracker built for serious results. From a simple 16:8 routine to a 7-day water fast — Waterfaster shows you exactly what's happening in your body and keeps you motivated through every hour. Start a fast in one tap. Track live progress on your Lock Screen, Dynamic Island, and Apple Watch. Follow real-time body phases — fat burning, ketosis, autophagy — backed by published research. WHY WATERFASTER • Built for water fasting AND intermittent fasting • One tap to start, end, or schedule a fast • Live Activity and Dynamic Island progress • Apple Watch companion with quick actions • Real-time tracking of ketosis, autophagy, and deep fat burn • Apple Health sync — weight, hydration, heart rate • No ads. No noise. No distractions. LONGER WATER FASTS Doing a 24-hour reset, a 72-hour autophagy push, or a 5–7 day extended fast? Waterfaster keeps you safe and focused: • Hydration reminders timed to your fast • Electrolyte guidance (the #1 cause of failed extended fasts) • Refeeding tips so you don't undo your progress • Phase-by-phase insights showing what your body is doing INTERMITTENT FASTING Full support for the most popular IF schedules: • 16:8 — the most sustainable schedule • 18:6 — early autophagy activation • 20:4 — Warrior Diet • OMAD — one meal a day • Custom windows — design your own Perfect for weight loss, metabolic health, Ramadan tracking, or simply a healthier rhythm with food. STAY ON TRACK • Hydration logging with daily goals • Weight tracking with trend history • Step tracking during fasts • Smart reminders that respect your sleep • Streaks that motivate — not pressure LEARN AS YOU FAST The Explore section gives you simple, science-based guides: • Water fasting protocols • Electrolytes and safety • Ketosis and metabolism • Autophagy and cell renewal • Refeeding after extended fasts • Body phases hour-by-hour Written for real life, not biochemistry class. WATERFASTER+ Unlock body-phase tracking, premium insights, advanced protocols, and AI coaching with Waterfaster+. • Weekly, yearly, or lifetime — your choice • Cancel anytime in your Apple ID settings • Restore purchases on any device with the same Apple ID Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Payment is charged to your Apple ID account. Manage subscriptions anytime. Terms of Use: https://waterfaster.app/terms Privacy Policy: https://waterfaster.app/privacy