LiveFast: Intermittent Fasting
16:8 Timer, Weight & Insights
Only for iPhone
Free · In‑App Purchases
iPhone
Track fasting with science-backed phases. See when your body enters fat burning, ketosis, and autophagy. No subscriptions — one-time purchase.
LiveFast is the fasting timer that respects your wallet and your time. No subscriptions. No ads. One purchase, lifetime access.
WHY LIVEFAST?
Most fasting apps charge $40–100/year just to track a timer. LiveFast gives you everything for a one-time purchase — because fasting shouldn't cost more than your groceries.
SMART FASTING TIMER
• Choose from popular protocols: 16:8, 18:6, 20:4, OMAD, or create your own
• Beautiful 5-phase fasting timeline with real-time progress
• Live Activities & Dynamic Island support — track without opening the app
• Smart notifications when each fasting phase begins
WEIGHT + FASTING INSIGHTS
• Log your weight and see how it correlates with your fasting patterns
• Weekly insight reports: streaks, averages, trends
• HealthKit integration — sync weight data automatically
• This is the feature no other fasting app has: real correlation between your fasts and your weight changes
WATER TRACKING
• Daily water intake goals
• Quick-log from the home screen
DESIGNED TO KEEP YOU GOING
• Fasting history calendar — see your consistency at a glance
• Mood & energy tracking after each fast
• Lock screen widgets for instant progress checks
• Dark mode optimized
PRIVACY FIRST
• All data stored locally on your device + iCloud sync
• No account required
• No tracking, no analytics on your health data
WHAT YOU GET
• Free: Basic timer with 16:8 protocol
• Pro: All protocols, weight insights, widgets, water tracking
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Built by a small team who actually fasts. We made the app we wanted to use.
Questions? hello@inwanglabs.com
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Improved fasting phase visualization with new concentric ring design
- Smart reminders that learn your schedule
- Enhanced weight tracking with HealthKit sync
- Refactored architecture for better performance and stability
- Bug fixes and UI polish
The developer, Dongwoo Lee, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Inwang Labs
- Size
- 9.7 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17 or later.
- iPhone
Requires iOS 17 or later.
- iPhone
- Languages
- English and Korean
- Age Rating
9+
- 9+
- Contains
Advertising
Health or Wellness Topics
- In-App Purchases
Yes
- Remove Ads $2.99
- Copyright
- © 2026 Inwang Labs. All rights reserved.