A complete fasting tracker
Fast.IO goes beyond a timer by storing history, statistics, hydration, and weight-related context so your progress can actually be reviewed and improved.
Fast.IO tracks fasting sessions, hydration, weight progress, fasting phases, and long-term consistency in one iPhone app.
Fast.IO goes beyond a timer by storing history, statistics, hydration, and weight-related context so your progress can actually be reviewed and improved.
Whether you are starting with 16:8 fasting or working toward OMAD, the fasting tracker keeps progress visible without overcomplicating the daily flow.
The design stays focused on repeat use: start a session, track hydration, review trends, and return the next day without relearning the app.
Review completed fasting sessions.

Monitor weekly and monthly fasting trends.
