FastWindow is the focused way to time intermittent fasting. No sign-up, no clutter, no subscription — just open it and start. Pick a protocol — 14:10, 16:8, 18:6, 20:4 (Warrior) or 23:1 (OMAD) — tap Start, and a live ring tracks your progress to the goal in real time. When the fast ends it logs automatically and your daily streak grows for every completed fast. • Live fasting timer with a sunrise progress ring and exact time remaining • See your fast-goal and eating-window end times at a glance • Automatic history with totals and your longest fast • A motivating daily streak that rewards consistency • 100% offline — no account, no cloud, no ads, no tracking • Pay once. Yours forever. FastWindow is a timer and habit tracker, not medical advice.
