FastAI Health Coach
Your AI-powered intermittent fasting coach.
Personalized plans. Smart tracking. Real results.
Available on iOS and Android — Start your 3-day free trial
FastAI
AI Health Coach
16:8 Fast — 12h 30m
Everything you need to fast smarter
Powered by Claude AI. Personalized to your body, goals, and schedule.
Smart Fasting Timer
Track fasts with real-time metabolic zone indicators
AI Coach (Claude)
Get personalized advice based on your data
Meal Photo Analysis
Snap a photo — get instant calories, macros & feedback
Weight Predictions
AI-powered forecasts based on your fasting & eating patterns
Adaptive Schedules
Your optimal fasting protocol, adjusted weekly
Streaks & Achievements
Stay motivated with daily streaks and milestones
50K+
Downloads
4.8
App Rating
12 lbs
Avg. Lost in 8 Weeks
“Lost 12 lbs in 6 weeks. The AI coach kept me accountable.”
Sarah M.
“Best fasting app I have used. The meal photo feature is a game changer.”
James R.
“Finally an app that adapts to MY schedule, not the other way around.”
Priya K.
Simple, transparent pricing
Start with a 3-day free trial. Cancel anytime.
Weekly
$2.99
/week
Yearly
$29.99
$0.58/week — Save 80%
Monthly
$9.99
/month
Free Fasting Tools
Try our calculators — no download required