# Abstia — Intermittent Fasting Timer > Privacy-focused intermittent fasting tracker with metabolic stage insights and AI coaching. (iPhone/iPad app by Abstia, LLC.) - Source: https://appshunter.io/ios/app/abstia/id6797053836 (this page in markdown: same URL + `.md`) - Developer: [Abstia, LLC](https://appshunter.io/developer/6797053838) - Category: Health & Fitness, Lifestyle - Price: Free - Rating: 5.00/5 from 2 App Store ratings - Age rating: 17+ - Requires: iOS 16.4 · 67 MB - Languages: American English, French (France), German (Germany), European Portuguese, European Spanish - Released: 2026-08-19 - Data updated: 2026-10-31 - Monetization: free ## What is Abstia? Intermittent fasting, without the guesswork. Abstia is a privacy-focused intermittent fasting tracker that shows you what your fast is actually doing - featuring a one-tap timer, real-time metabolic stage tracking, and an AI coach that learns from your history. No ads. No paywalls. Works fully offline. WHY ABSTIA IS DIFFERENT Most fasting apps just count down a clock. Abstia shows you what’s happening inside your body, helping you understand each phase of your fast from fat-burning to autophagy. REAL-TIME METABOLIC STAGE TRACKING • Visual metabolic ring guides you through each stage: fed state, post-absorptive, fat-burning, ketosis, and deep ketosis. • Know exactly when you enter ketosis and when autophagy begins. • Gain actionable insights into your body's physiology. FASTING TIMER & CUSTOM SCHEDULES • Start any fast in a single tap. • Choose popular protocols: 16:8, 18:6, 20:4, OMAD, ADF, or custom windows. • Flexible timer editing lets you adjust start and end times anytime. PERSONALIZED FASTING COACH • Learns from your streaks, energy levels, and consistency to give custom advice. • Celebrates your milestones and helps you get back on track when you stumble. BIOFEEDBACK & HEALTH LOGGING • Track mood, hunger types, and energy levels after each fast. • Uncover patterns: find out which fasting window yields your peak focus and energy. • Sync seamlessly with Apple Health to pull in weight, calories, and macros automatically. • View your estimated TDEE and calorie balance without manual logging. HISTORY, HEATMAP & STREAKS • Visualize your journey with a calendar heatmap. • Track your longest fast, current streaks, and monthly consistency. WIDGETS & APPLE WATCH • Track your fast directly from Home Screen and Lock Screen widgets. • Stay updated on your current metabolic stage via the Apple Watch companion app and Watch complications. OFFLINE-FIRST & 100% PRIVATE • Track fasts anywhere, even without internet access. • No account required to start. • Your data remains yours: zero ads, zero data selling, and no third-party tracking. ## Key features - Real-time metabolic stage tracking - Fasting timer and custom schedules - Personalized AI fasting coach - Biofeedback and health logging - Calendar heatmap and streaks - Widgets and Apple Watch support - Offline-first and private ## Is Abstia safe? Not enough ratings yet to assess Abstia. ## Is Abstia legit? Abstia has limited verification signals. The AppsHunter Legitimacy Score for Abstia is 58 out of 100 points across 7 verification signals from App Store and developer data. ## Frequently asked questions about Abstia ### What is Abstia? Abstia is a privacy-focused intermittent fasting tracker that helps you understand your body's metabolic stages during fasting. It features a one-tap timer, real-time metabolic stage tracking, and a personalized AI coach. ### Does Abstia have ads? No, Abstia is ad-free. The app explicitly states 'No ads. No paywalls.' and emphasizes its commitment to privacy with zero ads and zero data selling. ### Can I use Abstia offline? Yes, Abstia is designed to work fully offline. You can track your fasts anywhere, even without internet access, making it convenient for all users. ### What metabolic stages does Abstia track? Abstia tracks several metabolic stages including fed state, post-absorptive, fat-burning, ketosis, and deep ketosis. It provides a visual ring to guide you through each stage. ### How does the AI coach in Abstia work? The AI coach learns from your fasting streaks, energy levels, and consistency to provide custom advice. It celebrates your milestones and helps you get back on track if you stumble. ### Does Abstia integrate with Apple Health? Yes, Abstia syncs seamlessly with Apple Health. It can pull in data such as weight, calories, and macros automatically to provide a more comprehensive view of your health. ### What fasting protocols does Abstia support? Abstia supports popular protocols like 16:8, 18:6, 20:4, OMAD, and ADF. You can also set up custom fasting windows to suit your individual needs. ### Is Abstia suitable for beginners? Abstia is designed to be user-friendly with a one-tap timer and clear guidance on metabolic stages. Its personalized coaching can also support users new to intermittent fasting. ## Version history (last 2 releases) ### 1.0.10 — 2026-09-26 A simpler, smoother, and more intuitive Abstia experience. • Edit Past Moods & Biofeedback: Refine your history at any time by updating logged moods and energy levels on previous fasts. • Seamless HealthKit Syncing: Enjoy improved accuracy and reliability with expanded HealthKit fixes and automatic data synchronization. • Expanded Localization: Track your fasts effortlessly with improved language support across all regions. • Performance & Stability Enhancements: Benefit from general under-the-hood fixes for a faster, more reliable experience across your timer and widgets. ### 1.0.8 — 2026-08-19 No release notes. ## Apps similar to Abstia | App | Rating | Price | Category | | --- | --- | --- | --- | | [Pulse: Urge-Awareness Tracker](https://appshunter.io/ios/app/pulse-urge-awareness-tracker/id6767706260) | 5.0 (1) | Free | Health & Fitness | | [FastGoal](https://appshunter.io/ios/app/fastgoal/id6743441250) | 5.0 (1) | Free | Health & Fitness | | [Track Intermittent Fasting: FF](https://appshunter.io/ios/app/track-intermittent-fasting-ff/id6778090828) | 5.0 (1) | Free | Health & Fitness | | [Torus Gym](https://appshunter.io/ios/app/torus-gym/id6758354553) | 5.0 (1) | Free | Health & Fitness | | [JustFast - Timer](https://appshunter.io/ios/app/justfast-timer/id6775042519) | 4.5 (2) | Free | Health & Fitness | | [Just Fasting](https://appshunter.io/ios/app/just-fasting/id6761426623) | 4.0 (1) | Free | Health & Fitness | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-31.*