ABSTIA
Track your fasting journey
Metabolic stage insights, AI coaching, and biofeedback tracking — everything you need to fast with confidence.

Everything you need to fast smarter
Built for people who take their health seriously. No clutter — just the tools that matter.
Metabolic Stage Tracking
Watch your body progress through 8 biological fasting stages — from post-absorptive through ketosis to deep cellular repair — with a beautiful animated ring.
Flexible Schedules
Choose from popular protocols like 16:8, 18:6, 20:4, OMAD, or extended fasts like 36:12 ADF and 48-hour fasts. Create custom schedules to match your goals.
AI Fasting Coach
Get personalized tips based on your fasting patterns, mood trends, and completion rates. The coach learns from your history to offer relevant, timely advice.
Biofeedback Tracking
Log your mood, hunger type (physical vs. mental), and energy levels after each fast. Spot patterns and understand how fasting affects your body over time.
Smart Notifications
Get notified when you reach your target, when your fast is ending soon, or when it's time to start. Fully customizable — enable only what you need.
History & Insights
Review your complete fasting history with duration, completion status, and biofeedback data. Track your streaks and see your consistency improve.
Dark & Light Themes
Switch between elegant dark and clean light themes, or let the app follow your system preference. Designed for comfortable use at any hour.
Privacy First
Your data stays yours. Only you can access your fasting records. No ads, no data selling — just a tool that works for you.
See it in action
Beautiful in dark mode and light mode.

Timer

History

Schedules

Profile
Start fasting with intention
Free to download. No ads. No data selling. Upgrade when you're ready.