FastZen: Fasting & Autophagy

FastZen makes intermittent fasting simple, calm, and easy to stick with. Whether your goal is weight loss, more energy, or better focus, and whether you follow 16:8, 18:6, 20:4, OMAD, or your own custom eating window, FastZen guides you through every fast with a beautiful timer and gentle, science-based insights.

Watch your fasting ring fill in real time, see exactly which metabolic phase your body is in, and learn what's happening inside — from fat burning to ketosis and autophagy. No noise, no guilt. Just clear progress.

WHY FASTZEN • Beautiful fasting timer with a live progress ring • Preset plans: 16:8, 18:6, 20:4, 23:1 (OMAD) — or set your own hours • Real-time body phases: anabolic, fat burning, ketosis, deep ketosis, autophagy • Live Activity & Dynamic Island so your fast is always one glance away • Home Screen widgets and full Apple Watch app

TRACK WHAT MATTERS • Weight logging with BMI and long-term trend charts • Water & hydration tracking, synced with Apple Health • Streaks, average fast length, and progress stats • Full fasting history at a glance

DESIGNED TO FEEL GOOD • Warm, minimal design that's calm to use every day • Smart reminders to start and end your fast • Share your progress with friends

FastZen Pro unlocks advanced stats, weight tracking, and more to support your journey.

Start your first fast today and feel the difference.

Note: FastZen is for educational and wellness purposes only and is not medical advice. Consult a healthcare professional before changing your diet or fasting routine.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/