AI Coach · Calorie Tracker
Now with barcode scanning, menu reading, and database-accurate macros. Plus full control to set and edit your fasting times.
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.
Most personalized features in FastAI — AI Coach with memory, unlimited photo meal analysis, adaptive plans, widgets, and Live Activities — require a FastAI Pro subscription or a one-time Lifetime in-app purchase. The free version includes a basic fasting timer, simple meal logging, and a daily reminder.
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WHAT YOU GET FOR FREE
- Smart Fasting Timer (16:8, 18:6, 20:4, OMAD, custom schedules)
- 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 or Lifetime purchase 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
- Home Screen and Lock Screen widgets (Fasting Timeline, Weight Trajectory, Hydration, Streak Recovery, Coach Brief)
- Live Activity and Dynamic Island for active fasts
- Adaptive plans (weekly adjustments based on your real behavior)
- Personalized weight trajectory predictions
- Daily Insights powered by your last 24 hours of data
- 30 fasting protocols (daily windows, cyclic patterns, extended fasts)
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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 (Pro for unlimited)
Snap a photo. Get instant nutrition insights and personalized feedback. Pro unlocks unlimited daily analysis.
Your fast, on your Home Screen (Pro)
Seven widgets plus Live Activity bring your fasting timeline, weight trend, hydration, and Coach Brief to the Home Screen, Lock Screen, and Dynamic Island.
Results you can trust
Science-informed guidance with realistic projections. No hype, no gimmicks.
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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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PRICING AND SUBSCRIPTION DETAILS
FastAI Pro is available as:
- Pro Yearly — auto-renewing subscription with a 1-month free trial
- Pro Monthly — auto-renewing subscription
- Pro Weekly — auto-renewing subscription
- Pro Lifetime — one-time in-app purchase, no recurring charge
All Pro options unlock the same Pro feature set. Pricing is shown at the point of purchase in your local currency.
For auto-renewing subscriptions: payment is charged to your Apple ID account at confirmation of purchase (or at the end of your free trial, if applicable). Each subscription auto-renews at the end of its billing period at the then-current price unless cancelled at least 24 hours before the period ends. Manage and cancel anytime in your Apple ID account settings (Settings → [your name] → Subscriptions).
Pro Lifetime is a one-time, non-recurring purchase. No subscription. No auto-renewal. 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
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