ABSTIA
Track your fasting journey
Metabolic stage insights, AI coaching, Apple Watch & Wear OS apps, and Apple Health sync — 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.
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.
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.
Insights & Trends
Visualize weight trends, calorie balance against your estimated TDEE, and macro breakdowns with interactive charts that reveal the bigger picture.
Health Sync
Connect Apple Health or Google Health Connect to sync weight and nutrition — so you can see exactly how fasting fits into your overall health.
Works Offline
Track and log your fasts anywhere — even with no signal. Everything works fully offline and syncs automatically the moment you're back online.
Home & Lock Screen Widgets
Keep your active fast front and center with home screen and lock screen widgets on iOS and Android — check progress without opening the app.
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.
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
Insights
Profile
Apple Watch
Your fast, on your wrist
Follow your active fast without reaching for your phone. The native Apple Watch app shows your metabolic ring and time remaining at a glance, and a complication keeps your progress on your watch face.
Home & Lock Screen
Your fast, right on your home screen
Add Abstia widgets to your home and lock screen on iOS and Android. Your metabolic ring fills in real time, the countdown stays in view, and you can end or complete a fast in a single tap — without opening the app.
Start fasting with intention
Free to download. No ads. No data selling. Upgrade when you're ready.