FastingFlow
Intermittent Fasting Made Simple
Your Personal Fasting Companion
Simple, science-backed intermittent fasting tracker. Start your fast, monitor your progress, and understand what's happening in your body at every stage.
Everything You Need to Fast Successfully
⏰ Smart Fasting Timer
Real-time countdown with progress visualization. Start your fast with one tap and let FastingFlow guide you through.
📋 Multiple Programs
Choose from 16:8, 18:6, 20:4, or OMAD (One Meal A Day). Pick what works for you or create a custom schedule.
🧬 Fasting Stages
Learn what's happening in your body at each stage: fat burning, ketosis, autophagy. Science-backed information.
📊 Progress Tracking
Track your streak, view fasting history, and monitor stats like average duration and completion rate.
⚖️ Weight Tracker
Optional weight tracking to monitor your progress. See trends over time with visual charts.
🔔 Smart Notifications
Get reminded when your fast ends, eating window starts, or when to drink water. Never miss a beat.
🔒 100% Private
All data stored locally on your device. No account, no cloud sync, no tracking. Your health journey stays private.
🌙 Dark Mode
Beautiful dark UI optimized for nighttime viewing. Easy on the eyes during your fasting hours.
Choose Your Fasting Program
Start with 16:8 if you're new to fasting, or challenge yourself with advanced programs.
16:8 Classic
Perfect for beginners. Fast overnight and skip breakfast.
18:6 Moderate
More challenging. Great for weight loss and metabolic health.
20:4 Warrior
The Warrior Diet. One large meal plus small snacks.
OMAD (23:1)
One Meal A Day. Maximum autophagy and discipline.
What Happens During Your Fast
Understand the science behind fasting. See real-time updates as your body progresses through each stage.
Anabolic Phase
Your body processes food and stores energy
Catabolic Phase
Blood sugar and insulin levels drop
Fat Burning
Your body starts burning fat for energy
Ketosis
Liver produces ketones from fat stores
Deep Ketosis
Enhanced fat burning and mental clarity
Autophagy
Cellular cleanup and repair begins
Health Benefits of Intermittent Fasting
How It Works
Choose Program
Select 16:8, 18:6, 20:4, or OMAD based on your experience level.
Start Fasting
Tap "Start Fasting" and let the timer guide you through your journey.
Track Progress
View your stats, build streaks, and see your body transform.
Simple Pricing
Free
- ✓16:8 Classic program
- ✓Basic timer & notifications
- ✓7-day history
- ✓Fasting stages
Premium
- ✓All programs (18:6, 20:4, OMAD, Custom)
- ✓Unlimited history
- ✓Weight tracker
- ✓Home screen widget
- ✓Advanced statistics
Privacy First
FastingFlow stores all your data locally on your device. No cloud sync, no account required, no tracking, no analytics. Your fasting journey is 100% private and belongs only to you.
Ready to Start Your Fasting Journey?
Join thousands improving their health with intermittent fasting.
Download on the App Store