Fasting timer and schedules
Fast.IO supports popular intermittent fasting schedules including 16:8, 18:6, and OMAD. The fasting timer shows elapsed time, remaining time, and your current progress at a glance.
Fast.IO combines a fasting timer, fasting tracker, hydration logging, and Apple Health support in one calm iPhone experience.
Fast.IO supports popular intermittent fasting schedules including 16:8, 18:6, and OMAD. The fasting timer shows elapsed time, remaining time, and your current progress at a glance.
The app helps you log water during fasting and review weight changes with Apple Health integration, making it easier to connect habits with outcomes.
Review session history, fasting intervals, and weekly or monthly statistics so you can understand how consistent your routine actually is.
The main fasting timer interface on iPhone.

Fasting phase progress and session details.
