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Track and complete 72-hour fasts with smart zones, stats, and alerts.
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.