AllyFast: Fasting Tracker
Not in any tracked top chart right now.
Updated 13 Oct 2026 · rankings refresh through the day
DeveloperWonseok Lee
CategoryHealth & Fitness
Price0.99 USD
Released
Rating★ 5.0 (22)
Version1.1.0
Age rating4+
First seen by us
7 Oct 2026
7 Oct 2026Installs (est.)1k+ worldwide
Rating
5.0 ★
22 ratings
Measured
AllyFast: Fasting Tracker on the App Store
App details
App ID
6743131202
Publisher
Wonseok Lee
On the store since
Apr 2025
1 year on the store
Minimum OS
iOS 18.2+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
EN
Size
2 MB
Also listed in
Utilities
AllyFast: Fasting Tracker downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
5.0 ★
22 ratings
Measured
Ratings
22
Measured
About AllyFast: Fasting Tracker
AllyFast is a beautifully crafted intermittent fasting timer built with SwiftUI.
Clean, lightweight, and privacy-first. Whether you follow 16:8, 18:6, 20:4, OMAD, or extended fasts, AllyFast keeps your fasting journey simple and focused.
Why AllyFast?
• No subscriptions. One-time $0.99. Yours forever.
• 100% private. All data stays on your device.
• No ads, no trackers, no accounts, no clutter.
• Ultra lightweight at just 1.7 MB.
Key Features
• Beautiful fasting timer with smooth SwiftUI animations
• Supports intermittent fasting plans: 12:12, 14:10, 16:8, 18:6, 20:4, OMAD
• Extended fasts up to 72 hours
• Editable fasting history with color-coded goal tracking
• Science-based fasting stage insights (fed state, ketosis, autophagy, and more)
• Unlimited local import and export of your fasting data
• Polished for iOS 26 Liquid Glass
• Full Dark Mode support
Perfect Privacy
Your fasting data never leaves your iPhone. No cloud sync, no servers, no tracking. Just you and your fast.
Built for Everyone
From beginners exploring their first 16:8 fast to experienced fasters tracking multi-day autophagy windows, AllyFast adapts to your goals without getting in the way.
No cloud. No noise. Just fasting.
Clean, lightweight, and privacy-first. Whether you follow 16:8, 18:6, 20:4, OMAD, or extended fasts, AllyFast keeps your fasting journey simple and focused.
Why AllyFast?
• No subscriptions. One-time $0.99. Yours forever.
• 100% private. All data stays on your device.
• No ads, no trackers, no accounts, no clutter.
• Ultra lightweight at just 1.7 MB.
Key Features
• Beautiful fasting timer with smooth SwiftUI animations
• Supports intermittent fasting plans: 12:12, 14:10, 16:8, 18:6, 20:4, OMAD
• Extended fasts up to 72 hours
• Editable fasting history with color-coded goal tracking
• Science-based fasting stage insights (fed state, ketosis, autophagy, and more)
• Unlimited local import and export of your fasting data
• Polished for iOS 26 Liquid Glass
• Full Dark Mode support
Perfect Privacy
Your fasting data never leaves your iPhone. No cloud sync, no servers, no tracking. Just you and your fast.
Built for Everyone
From beginners exploring their first 16:8 fast to experienced fasters tracking multi-day autophagy windows, AllyFast adapts to your goals without getting in the way.
No cloud. No noise. Just fasting.
Latest updates
1.1.0
Version 1.1.0
• Dark Mode.
• Liquid Glass UI.
• Performance and stability improvements.