72hour fasting timer

Ready to take control of your health with extended fasting?

72Hour Fasting Timer helps you track your fasts, stay motivated, and stay on target with a clean, modern design and powerful fasting tools.

🔁 Automatic Zone Tracking
See when your body enters stages like ketosis, fat burning, and deep autophagy—all based on the science of fasting.

🔔 Smart Notifications
Get alerts when you hit important milestones, like 24h, 48h, and 72h.

📊 Real Progress Stats
View charts of your previous fasts and time spent in key health zones.

💡 Minimal & Intuitive
No accounts, no ads—just a clean timer and features that support your focus.

✅ Built for 72-hour fasts
Whether you're doing one-day fasts or multi-day protocols, this app is optimized for clarity and discipline.

🧘 Works great for dry fasting, water fasting, and intermittent fasting (IF) routines.

Begin your health reset. Tap Start Fast and go.