Combine the science of extended fasting with a virtual Tamagotchi-style pet that evolves as your body heals. Track fasts, learn your body's milestones, and stay motivated round-the-clock.
Whether you're doing daily time-restricted eating or breaking records, Fasting Friend supports your journey.
Daily time-restricted eating. Perfect for lifestyle integration and metabolic flexibility.
Multi-day events (24h - 7d). Deep cellular healing and autophagy.
Custom duration or open-ended. Fast comfortably until you feel ready to eat.
Fasting isn't just another diet. It's a profound biological shift that unlocks your body's innate healing mechanisms and optimizes your physical and mental performance.
Trigger Autophagy to clear out damaged cells, regenerate new tissues, and literally slow down the aging process from the inside out.
By keeping insulin low, your body effortlessly taps into stored fat for fuel. Say goodbye to calorie counting and hello to sustained energy.
When fueled by ketones, your brain fog lifts. Experience sharper focus, increased productivity, and a profound sense of cognitive calm.
Dramatically reduce systemic inflammation. Feel relief from joint pain, recover faster from workouts, and bulletproof your immune system.
As you progress through your fast, your virtual companion evolves with you, visually representing the incredible biological changes happening inside your body.
Insulin drops and blood sugar stabilizes. Your pet is resting as an egg.
Tapping into stored carbs. Fat burning begins. Your pet starts hatching.
The body uses exclusively fat for energy. Your pet has fully hatched.
Deep cellular cleaning and HGH surges. Your pet rapidly evolves into an eagle.
Learn exactly what your body is doing with stage-by-stage breakdowns based on peer-reviewed research.
Never forget to hydrate. Get timely reminders to drink water and take your salts during long fasts.
Visualize your fasting history with beautiful, intuitive charts stored securely on your device.
All your data stays precisely where it belongs - locally on your iPhone or in your private iCloud.
Join the community and make fasting fun, educational, and sustainable.