Fast Easy vs Abstia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fast Easy
This app helps you track intermittent fasting with customizable plans and real-time countdowns. Log past fasts, monitor progress with streaks and charts, and visualize your fasting journey. It offers personalized goals and integrates with Apple Health for weight tracking.
- Customizable fasting plans (16:8, OMAD, etc.)
- Real-time fasting countdown timer
- Log past fasts without timing
- Progress tracking with streaks and charts
- Apple Health integration for weight data
- Home screen widgets and Live Activity
- Customizable app appearance
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Fast Easy times your fast from the moment you tap Start and tells you, in plain numbers, how much is left. There's nothing to sign up for and nothing to pay. Pick a plan 16:8 suits most people, 18:6 and OMAD 20:4 stretch the window, circadian 13:11 is a gentle start, and Monk's 36:0 spans a full day and night. Want something else? Dial in any length with hours and minutes. The clock runs on real time, so quitting the app or switching off your iPhone doesn't lose a second. Forgot the timer? Log it anyway Add a fast you did without timing it. Choose the plan, when you stopped eating and when you ate again, and it joins your history, streaks and stats. A flag for your goal The flag fills the moment you pass your goal, and an alert can tell you when it happens. Started late? Move the start time back. History you can correct Every fast is listed with how close it came. Change its plan, start or end later, or remove it. Streaks, totals and a weekly chart Current and best streak, total hours, average length and how often you hit your goal. If you allow it, Fast Easy reads your weight from Apple Health to chart it beside your fasts; it never writes to Health. Fasting science walks through what happens in your body as the hours pass. At a glance Widgets count down to your goal, and a Live Activity keeps the countdown in view while your phone is locked, plus in the Dynamic Island. Four dials, eight accents Classic, Clock, Segments or Minimal. Light, dark or follow the system. Pick an accent and your Home Screen icon follows it. Nothing leaves your phone Fast Easy has no sign-in and sends your fasts nowhere. They live only on your iPhone or iPad.
Abstia
This app provides a privacy-focused intermittent fasting tracker with real-time metabolic stage tracking and an AI coach. It helps users understand their body's physiological changes during fasting and offers personalized advice based on their history.
- 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
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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.
Screenshots
Verdict
The clearest difference is update cadence: Fast Easy at every 3 days against Abstia's every 6 weeks. On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Fast Easy against 5.0 for Abstia. Both are backed by a comparable volume of ratings — 3 and 2 respectively.
Fast Easy ships an update every 3 days, Abstia every 6 weeks. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.
| Parameter | Fast Easy | Abstia |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 3 days — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 4 MB | 67 MB |
| Age rating | 4+ | 17+ |
| Developer | Matthew Strickland | Abstia, LLC |
Customer experience
Fast Easy
Abstia
In-app purchases
Fast Easy
No in-app purchases
Abstia
No in-app purchases









