Fast.io -- Fasting Timer

Fast.io is a beautifully simple intermittent fasting timer designed to help you stay consistent and focused on your fasting goals.

Track your fast in real time, monitor hydration, and stay motivated with clear insights, widgets, and Live Activities.

Perfect for popular fasting schedules like 16:8, 18:6, or OMAD.

TRACK YOUR FAST

• Start fasting sessions with presets like 16:8, 18:6, or create custom fasting intervals • See elapsed time, remaining time, and fasting phases
• Follow your fasting progress in real time

TRACK YOUR WEIGHT

• Sync weight with Apple Health • Monitor weight changes during fasting • Understand how fasting affects your body

STAY CONSISTENT

• Local reminders for fasting milestones • Daily hydration tracking • Motivation through achievements and streaks

SEE YOUR PROGRESS

• History with notes and mood tracking • Weekly, monthly, and yearly statistics • Understand and improve your fasting habits

BUILT FOR APPLE DEVICES

• Live Activities and Dynamic Island • Home Screen and Lock Screen widgets • Apple Watch companion app

PRO FEATURES

• One‑time purchase (no subscription) • Advanced customization • Extended fasting history

Fast.io is designed to make intermittent fasting simple, beautiful, and effective.