FastWindow: Fasting Timer
iOS app by Don Nguyen. Health & Fitness · Don Nguyen
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0
- Listing last refreshed
- 2026-09-08
View the original store listing
Store description excerpt
FastWindow keeps your intermittent fasting schedule clear and simple: calculate your fasting and eating windows, run a live fast timer, and look up your BMR and daily energy estimates — all on your iPhone, fully offline. FASTING CALCULATOR • Pick a method: 16:8, 18:6, 14:10, 20:4, OMAD, or custom hours • Enter when you last ate and instantly see your fasting window and next eating window FAST TIMER • Start a fast and follow progress on a live ring • Optional notification when your fasting window ends • End or cancel a fast at any time HISTORY • Past fasts stay privately on your device • Streak, average duration, and longest fast at a glance BMR & TDEE • Estimate your basal metabolic rate (Mifflin-St Jeor equation) • Daily energy estimates across activity levels, in metric or imperial units PRIVATE BY DESIGN • No account, no ads, no analytics, no tracking • Works completely offline — your data never leaves your iPhone FastWindow is an awareness and planning tool only. It is not a medical device and does not provide medical advice. Consult your doctor before starting any fasting practice, and follow your clinician's directions.
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