WinFast: Fasting Timer

NEW: Track mood and glucose! See what’s happening in your body, explore 10 autophagy stages, Live Activities, and widgets. Free trial available.

WinFast is the intermittent fasting tracker with the most detailed body phase visualization in any fasting app. See exactly what is happening inside your body — from fat burning to ketosis to peak autophagy — with a science-based 10-phase tracker no competitor offers.

FASTING MADE SIMPLE • One-tap fasting timer with real-time progress and countdown • Popular presets: 16:8, 18:6, 20:4, OMAD, 5:2, plus custom schedules • iOS Live Activities — follow your fast from the Dynamic Island • Home screen widgets so you can check progress without opening the app • Smart notifications: end-of-fast alerts, reminders, motivation

YOUR BODY, VISUALIZED • 10-phase autophagy tracker showing fat burning, ketosis, and cellular repair • See exactly when you pass each biological threshold • Short lessons that explain the science behind each phase • Phase-by-phase milestone notifications as you move through each stage

WELLNESS TRACKING • Mood logging after each fast so you can spot patterns • Glucose tracking with easy-to-read correlation charts • Weight tracking linked to your fasting history • Stats dashboard: streaks, trends, averages, and personal bests

STAY CONSISTENT • Achievements with milestones for every level of commitment • Fasting history with calendar view and streak tracking • Fully customizable notification schedule across 4 channels

PREMIUM — FREE TRIAL INCLUDED • Unlimited fasting history (free plan: most recent 7 days) • Advanced stats plus mood and glucose correlation charts • Custom fasting presets (free plan: up to 3 presets) • Apple Health integration — two-way fasting data sync • Custom notification schedules • Start free and upgrade when it works for you

Available in English, Spanish, and Chinese.

WinFast. Fast smarter. Win your health.