Comparison

Libre Fasting vs LeviaFlow

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Libre Fasting

This app helps you track your fasting periods with customizable durations and common protocols. It offers real-time progress, optional reminders, and a history of your fasting sessions. Your data is kept private on your device.

Highlights
  • Customizable fast types and durations
  • Real-time timer and progress ring
  • Optional reminders and notifications
  • Fasting history and completion details
  • Export fasting history to CSV
  • Fasting stages timeline
  • Light/dark themes
Features
Read full description

Libre Fasting is a free, open-source fasting tracker built for clarity and privacy. No ads, no accounts, no subscriptions. Your data stays on your device. Start a fast in seconds with common protocols (16:8, 18:6, 20:4, OMAD, 24-72 hours) or set a custom duration. See real-time progress, edit or end a fast anytime, and optionally log weight and body fat at start/end. Features: - Quick start with your default fast type - Flexible fast types and custom durations - Real-time timer and progress ring - Optional reminders and notifications - History with completion details and repeat fasts - Export your fasting history to CSV - Fasting stages timeline and curated learning resources - Light/dark themes and accent colors Libre Fasting does not provide medical advice. Consult a qualified professional before making health decisions.

About

LeviaFlow

Features
Read full description

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

Libre Fasting4 screens
LeviaFlow4 screens

Verdict

The call

The clearest difference is iOS requirement: Libre Fasting at 15.1 against LeviaFlow's 17.0. On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 8 level
Libre Fasting versus LeviaFlow: the parameters behind the verdict, then further details
ParameterLibre FastingLeviaFlow
PriceFreeFree
Rating4.5 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS15.1 — better17.0
Further details — not scored
Size46 MB9 MB
Age rating12+4+
DeveloperLibre By DesignDimensionalFlow SRL

In-app purchases

None

Libre Fasting

No in-app purchases

None

LeviaFlow

No in-app purchases

Questions

Is Libre Fasting free?
Libre Fasting is free to download, with no in-app purchases.
Is LeviaFlow free?
LeviaFlow is free to download, with no in-app purchases.
Do Libre Fasting or LeviaFlow have ads?
Neither Libre Fasting nor LeviaFlow shows ads.

Other comparisons