Intermittent vs Fastastic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Intermittent
Easily track your intermittent fasting with a visual timeline and preset or custom plans. Integrate with Apple Health for a holistic view of your wellness. Stay updated with widgets and Apple Watch support.
- Fasting timer
- Visual stage timeline
- Preset and custom plans
- Apple Health integration
- Apple Watch app
- Widgets and Live Activities
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100% FREE — NO SUBSCRIPTION, NO PAYWALL, NO IN-APP PURCHASES. BetterFasting is a simple, powerful intermittent fasting timer and tracker for your daily routine. Pick a plan, start your fast, and watch your progress build day after day. Every feature is unlocked from the very first tap. The app is supported by ads, so the tools stay open and free for everyone. POPULAR FASTING PLANS, OR YOUR OWN Fast with 16:8, 18:6, 20:4, OMAD, 5:2, or build a custom fasting window that fits your life. Start, stop, and edit fasts whenever you need to, so the timer always matches your real day. KNOW EXACTLY WHERE YOU ARE Follow live fasting stages as your body moves through your fast, with a clear timer ring and progress at a glance. Set smart reminders so you never miss the start or end of a window. TRACK WHAT MATTERS Log water and mood through the day, record your weight over time, and build streaks and badges that keep you motivated. Review your full fasting history with simple charts that show your trends week over week. ALWAYS WITHIN REACH Add home screen and lock screen widgets, keep your timer front and center with Live Activities and the Dynamic Island, and check your fast right from your wrist with the Apple Watch app. Apple Health sync keeps your data connected, and iCloud sync keeps everything safe across your devices. FAST TOGETHER Add friends, join groups, take on challenges, and cheer each other on in the activity feed. Staying accountable is easier when you are not doing it alone. SPEAKS YOUR LANGUAGE Available in 45 languages, including full right-to-left support. WHY BETTERFASTING? - 100% free: no subscription, no paywall, no in-app purchases. - Every plan and tool unlocked from day one. - Clean, fast, and easy to use every single day. - Ad-supported so the core experience stays open to all. Many fasting apps hide basic tools behind a subscription. BetterFasting is different. Start free, track your routine, stay accountable with friends, and keep the habit going. Fasting is a personal wellness routine, not medical advice. If you have a medical condition, are pregnant, or are unsure whether fasting is right for you, talk to a qualified health professional before you begin. Download BetterFasting and start your first fast today.
Fastastic
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Fastastic helps you plan fasts, track daily health inputs, compare progress photos, view analytics, earn achievements and build custom reports. Built for people who want a clear view of their fasts, daily habits and progress over time, Fastastic brings fasting records, health logs, photos, charts and reports together in one simple app. Start a fast, follow your timer, log daily check-ins and review your progress through clean analytics, calendars, charts and reports. Track fasting, weight, calories, steps, activity, sleep, water, mood, hunger, symptoms, lifestyle habits and progress photos in one place. Fastastic is a fasting timer, tracker, and educational wellness app. It does not provide medical advice, diagnosis, treatment, or emergency services. Fasting, calorie estimates, weight projections, fasting-stage labels, insights, and reports are for general education and personal tracking only and may be inaccurate. Always seek advice from a qualified doctor or clinician before fasting, changing diet or activity habits, making medical decisions, or if you have symptoms or a medical condition. PRIVATE BY DESIGN Your data is stored locally on your device. Fastastic does not store your personal information on company servers, does not sell your data and does not include advertising. FASTING TIMER & PLANS • Start a fast with a clear timer • Track planned duration, elapsed time and eating windows • Use Quick Start fasts for simple fasting timers • Create custom fast plans with duration, calories, steps and projected results • Schedule fasts and set fasting reminders • Review your fast history with detailed records DAILY HEALTH CHECK-INS Log daily inputs so you can understand how your habits change over time. Track: • Weight • Calories • Activity • Steps • Water • Water • Sleep • Hunger • Energy • Mood • Symptoms • Lifestyle habits APPLE HEALTH IMPORT Import supported Apple Health data such as weight, steps, active energy, sleep and water to keep your records easier to maintain. ANALYTICS, CALENDARS & CHARTS Fastastic gives you a clean view of your progress with: • Weight trend charts • Target weight tracking • Calendar views for daily records, fasts, photos and planned fasts • Weekly Summary for recent progress • Data tiles for key health and habit inputs PROGRESS PHOTOS Track visual progress by date and category. Use the Photo Timeline to compare progress photos over time and review changes alongside your logs. ACHIEVEMENTS & STREAKS Stay motivated with achievements and streaks for check-ins, fasting, workouts and positive habit days. CUSTOM REPORTS Build custom reports using selected date ranges, fast periods, photos, analytics and data tiles. Review your progress clearly or export your data when needed. PRO FEATURES Unlock advanced tools and longer/custom tracking with a one-time Pro upgrade. Fastastic is designed for personal tracking and planning. It does not provide medical advice, diagnosis or treatment. If fasting may be risky for you, speak with a qualified clinician before starting.
Screenshots
Verdict
The clearest difference is update cadence: Fastastic at daily against Intermittent's every 4 days. Intermittent's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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. Intermittent sells 4 in-app purchases, starting at $4.99 per month and Fastastic sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Intermittent ships an update every 4 days, Fastastic daily. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | Intermittent | Fastastic |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (19 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 19 — better | — |
| Update frequency | Every 4 days | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone |
| Requires iOS | 17.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 33 MB | 57 MB |
| Age rating | 12+ | 17+ |
| Developer | BARBAROS SELIM BUYUKELCI | JAMIE GLAZIER |
In-app purchases
Intermittent
- Monthly Premium3 Days trial$4.991 Month
- 3 Months Premium3 Days trial$9.993 Months
- 6 Months Premium3 Days trial$24.996 Months
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- Yearly Premium3 Days trial$34.991 Year
Fastastic
- Fastastic Pro$5.99









