FastAI Health Coach
AI Coach. Smart Fasting Plan.
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Smarter, gentler reminders for your fasting journey. New Quiet Hours, phase-transition alerts, and hydration nudges — all designed to respect your attention.
Stop guessing your diet.
FastAI is your personal AI coach that builds a plan around your life, not someone else's. It learns from your meals, tracks your progress, and remembers your journey so you don't start over every day.
Lose weight with clarity. Stay consistent without stress.
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WHAT YOU GET FOR FREE
- Smart Fasting Timer (16:8, 18:6, 20:4, OMAD, custom schedules)
- Home Screen and Lock Screen widgets (Fasting Timeline, Weight Trajectory, Hydration, Streak Recovery)
- Live Activity and Dynamic Island for active fasts
- Basic meal logging
- Weight tracking with a 100-year calendar
- Streaks and milestones
- Limited daily AI Coach interactions
- Basic daily prompts
WHAT FASTAI PRO UNLOCKS (subscription required)
- Cross-session AI Coach memory — your goals, habits, and struggles remembered across every conversation
- Unlimited AI Coach chat
- Unlimited photo-based meal analysis with personalized feedback
- Coach Brief widget — daily AI insight on your Home Screen
- Adaptive plans (weekly adjustments based on your real behavior)
- Personalized weight trajectory predictions
- Daily Insights powered by your last 24 hours of data
- Custom fasting schedules tuned to your patterns
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WHY FASTAI WORKS
A coach that remembers you (Pro)
Your goals, habits, struggles. FastAI Pro builds real memory across every conversation so guidance improves over time.
A plan built around your life (Pro)
No generic templates. Your fasting schedule, calorie targets, and goals adapt weekly based on your real behavior.
Track food in seconds
Snap a photo. Get instant nutrition insights and personalized feedback. Pro unlocks unlimited daily analysis.
Your fast, on your Home Screen
Seven widgets plus Live Activity bring your fasting timeline, weight trend, hydration, and Coach Brief to the Home Screen, Lock Screen, and Dynamic Island. No need to open the app to know where you are.
Results you can trust
Science-informed guidance with realistic projections. No hype, no gimmicks.
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NOT JUST A TIMER
Most apps track fasting hours. FastAI understands your behavior and helps you improve it.
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BUILT FOR REAL LIFE
Whether you're just starting or experienced, FastAI adapts to your level and goals — weight loss, health, or long-term sustainability.
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PRIVACY FIRST
Your data stays yours. Delete it anytime. No ads. No tracking. No data selling.
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SUBSCRIPTION DETAILS
FastAI Pro is available as an auto-renewing subscription:
- Pro Weekly
- Pro Monthly
- Pro Yearly (best value)
Pricing is shown at the point of purchase in your local currency. Each plan includes a 3-day free trial; you will not be charged during the trial.
After the trial, payment is charged to your Apple ID account at confirmation of purchase. The subscription auto-renews at the end of each billing period at the then-current price unless cancelled at least 24 hours before the period ends. You can manage and cancel subscriptions anytime in your Apple ID account settings (Settings → [your name] → Subscriptions).
Any unused portion of a free trial is forfeited when you purchase a subscription.
Privacy Policy: https://exafabs.ai/privacy-policy
Terms of Service: https://exafabs.ai/terms
Refund Policy: https://exafabs.ai/refund-policy
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DISCLAIMER
FastAI provides general wellness guidance, not medical advice. Consult your healthcare provider before starting fasting if you have medical conditions, are pregnant or breastfeeding, or take prescription medications.
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Built with care by a small team in India.
Questions or feedback: alpit@exafabs.ai
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
v2.14 — Notification Boost
- Smarter push notifications: personalized phase-transition alerts
when you cross ketosis, deep ketosis, and autophagy zones
- Streak recovery reminders if you miss a fast
- Hydration nudges during long fasts (16h+)
- Quiet Hours: mute notifications overnight on your schedule
- Auto-mute after 5 unopened pushes — we respect your attention
The developer, Alpit Tare, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Health & Fitness
- Contact Info
- User Content
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Alpit Tare
- Size
- 52 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Pro Yearly $29.99
- Pro Monthly $9.99
- Pro Weekly $2.99
- Copyright
- © 2026 EXAFABS - Alpit Tare