AppMarketSpy › Health & Fitness › LightnFast
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App info
- Developer
- Shanhe Yi
- Category
- Health & Fitness
- Released
- Sep 28, 2026
- Version
- 1.0 (Sep 29, 2026)
- Price
- Free
- Size
- 8.9 MB
- Requires
- iOS 18.0
- Age rating
- 16+
- Languages
- English, French, German, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
In-app purchases
| Pro Yearly | $9.99 |
| Pro Monthly | $1.99 |
Current prices, App Store US.
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About LightnFast
Fast simply. See your progress clearly. LightnFast is a focused intermittent fasting tracker for iPhone and Apple Watch. Start a fast now or from a recent scheduled time, then follow a clear timer and an elapsed-time fasting-stage timeline. Choose a 16:8, 18:6, 20:4, OMAD, or custom plan, set your eating window, pick fasting days, and decide whether fasts start or end automatically. Review past fasts in a calendar and detailed history. Record clean, dirty, completed, or early-ended fasts; add daily goals, bedtime, and notes; and see streaks, outcomes, weekly completion, and all-time totals. Statistics separate days fasted from fasts finished. Optional notifications can mark a reached goal, a closing eating window, a scheduled start, or an elapsed-time stage change. Permission is requested only after you choose notification controls in Settings. A Live Activity keeps an active fast…
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