LeviaFlow vs FastJoy

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.

FastJoy is the simple, private way to track intermittent fasting. Pick a protocol, start the timer, and watch your fasting and eating windows in real time — no account, no paywall on the core timer, and everything stays on your device. WHY FASTWINDOW - Beautiful animated fasting timer with live elapsed time and progress ring - Choose 16:8, 18:6, 20:4, OMAD or a custom fasting window - Informational fasting stages as the hours add up (fat burning, ketosis, autophagy zone) - Current streak, today's eating window and target end time at a glance - Edit your start time anytime — perfect when you forget to hit start TRACK EVERYTHING - Full history of every fast with met-goal status - GitHub-style consistency heatmap of your fasting days - Weekly fasting hours and calendar overview STATS & PROGRESS - Average fast length, longest fast, completion rate and streaks - Fast-duration trend chart and this-week-vs-last comparison - Patterns by weekday and start time of day - Optional weight log with a clean trend chart - Dozens of achievements to keep you motivated REMINDERS THAT HELP - Get notified the moment your fasting goal is reached - Optional "time to start fasting" and hydration reminders - 100% local notifications — no servers, no tracking of your habits PRIVATE BY DESIGN - No sign-up, works fully offline - Optional Face ID / Touch ID lock - Export and import your data as JSON anytime - Available in English, Spanish, French, Italian, German and Portuguese FastJoy is a tracking aid only and does not provide medical or nutritional advice. Intermittent fasting is not suitable for everyone, including during pregnancy or with certain medical conditions. Consult a qualified healthcare professional before changing your eating patterns. Start your first fast today and build a routine that lasts.