Fasting Timer vs LeviaFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fasting Timer
Effortlessly track intermittent fasting with this powerful app. Monitor fasting phases, including fat-burning and autophagy, and build healthy habits with various fasting plans. Start your journey in seconds with no account required.
- Circular countdown timer
- Real-time fasting phase tracking
- Multiple IF protocols
- Streak tracking
- Body Map visualization
- Home Screen Widget
- Zone notifications
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Fasting Timer is a simple intermittent fasting tracker. Start a fast with one tap, see which stage you are in, and look back on every fast. No account, no quiz: open the app and start. FREE • 14:10 and 16:8 timer with a stage ring and countdown • Live Activity on the Lock Screen and in the Dynamic Island while you fast (supported iPhones) • History calendar for the last 7 days: edit start and end times, delete a fast or add one you forgot • End-of-fast summary with mood and a short note • Streaks, a weekly progress chart and badges • Water tracker • Reminders: fast complete, time to start, streak at risk • Dark and light themes PREMIUM • All plans: 18:6, 20:4, OMAD (23:1), 5:2 (mark your two low-calorie days), 36 h, 48 h, 72 h and custom fasts up to 168 hours • "In your body now" cards for each stage of your fast, with sources from peer-reviewed research • Learn library of short articles (a few are open to everyone, including "Who shouldn't fast") • Full history and detailed progress: longest fast, average, completion rate and a monthly heat map • Weight log in kg or lb, with a chart • Apple Health: read and save your weight, and optionally save water • Home Screen and Lock Screen widgets • Extra reminders: one hour before your goal, eating window closing, stage milestones • No ads PRIVATE BY DESIGN No account or sign-up. Your fasts, notes and weight are stored on your device. The free version shows ads; Premium removes them. NOT MEDICAL ADVICE Fasting Timer is a tracking tool, not medical advice. Talk to your doctor before fasting, especially before longer fasts or if you are pregnant or breastfeeding, have diabetes or another medical condition, or have a history of eating disorders. SUBSCRIPTION Premium is an auto-renewing subscription. The price and any free trial are shown in the app before you buy. Payment is charged to your Apple Account when you confirm the purchase. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period. You can manage or cancel it in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ralf9090.github.io/fasting-timer/privacy.html
LeviaFlow
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LeviaFlow is the smart way to do intermittent fasting — right on your wrist and phone. Whether you're new to fasting or a seasoned 16:8, 18:6, OMAD, or 72-hour pro, LeviaFlow gives you a clear, beautiful view of what's happening inside your body. Watch your progress through every metabolic stage, from digestion to deep autophagy, in real time. WHY LEVIAFLOW • Gorgeous live timer with 8 fasting stages • Real Apple Watch app, not just a companion • Works offline, syncs seamlessly between iPhone and Watch • Your data stays on your device. Zero tracking, zero ads • Support for fasts up to 7 days with safety checks FASTING STAGES Know exactly where you are in your fast: • 0 to 4h: Active Digestion • 4 to 8h: Insulin Dropping • 8 to 12h: Fat Burn Start • 12 to 16h: Early Ketosis • 16 to 20h: Fat Burning Zone • 20 to 24h: Autophagy Start • 24 to 48h: Deep Autophagy • 48h and beyond: Immune Reset Each stage comes with a smart notification so you never miss a milestone. PROTOCOLS FOR EVERYONE Choose what fits your lifestyle: • 16:8, classic beginner protocol • 18:6, Lean Gains • 20:4, Warrior Diet • OMAD, one meal a day • 24h, 36h, 48h, 72h • Custom, anything up to 168 hours (7 days) APPLE WATCH, DONE RIGHT Start and stop fasts directly from your wrist. Beautiful complications on your watch face. A native Watch app that works standalone, no iPhone required during your fast. STAY MOTIVATED • Track streaks across days, weeks, months • Unlock badges for every milestone • See your consistency on a beautiful calendar • Weekly bar charts show exactly how you're doing • Earn stars for exceeding your targets SMART NOTIFICATIONS • Stage milestone alerts (ketosis, fat burning, autophagy) • Progress updates at 50%, 75%, and 100% • Customizable hydration reminders • Quiet hours that respect your sleep • Eating window open and close reminders • Safety warnings for extended fasts PRIVACY FIRST LeviaFlow doesn't collect your data. Everything lives on your device. No accounts, no cloud tracking, no ads, no analytics. Just you and your fast. BUILT FOR THE APPLE ECOSYSTEM • Home Screen widgets for iPhone • Apple Watch complications and standalone app • Dark mode native • 5 languages: English, Romanian, Spanish, German, French • 5 beautiful color themes • iOS 17+ and watchOS 10+ HEALTH DISCLAIMER LeviaFlow is a tracking tool, not medical advice. Consult your doctor before starting any fasting protocol, especially extended fasts over 48 hours. Not recommended for people with diabetes, eating disorders, pregnant or breastfeeding women, or anyone with medical conditions without professional supervision. Start your fasting journey today. Your wrist is waiting.
Screenshots
Verdict
The clearest difference is in-app purchases: LeviaFlow at none against Fasting Timer's 2. LeviaFlow also leads on ads (none vs shown). On price, device support 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. Fasting Timer sells 2 in-app purchases, starting at $1.99 per month. LeviaFlow asks for nothing beyond the download.
| Parameter | Fasting Timer | LeviaFlow |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 days | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 51 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Batuhan Senavci | DimensionalFlow SRL |
In-app purchases
Fasting Timer
- Premium Monthly3 Days trial$1.991 Month
- Premium Yearly$14.991 Year
LeviaFlow
No in-app purchases









