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Free intermittent fasting tracker — pick a window, run it with a live timer, and keep a rolling record of what you actually did.
The web app works on iPhone, Android, desktop, and tablet — same experience everywhere. Prefer a home-screen icon and native notifications on Android? Get the Android app instead.
The Intermittent Fasting Tracker pins a daily fasting window to a live timer you can glance at, and keeps a record of what you have actually done. Twelve presets are built in grouped by difficulty — from 12:12 up to 23:1 — plus a custom window in one-hour increments.
Two modes are supported:
Your chosen schedule, mode, and clock times persist across app restarts, and an active session is reconstructed from the start time whenever you reopen.
A timer shows your current elapsed and remaining time (toggle which direction you read), the current phase — fasting or eating — and your eating window boundaries.
Plans change: Eat Early lets you close a fast before target as a one-time exception or a permanent shift. Fast Early ends the eating window ahead of schedule. Completed and cancelled sessions from the last 30 days stay in your history.
Notifications are opt-in per account — when enabled, they remind you at key moments in your schedule.
In the bottom navigation bar, the fasting badge updates every second with your current phase and time remaining — the eating window shows in a warm color, fasting in the default. That one-second glance is often all you need to decide whether you can start eating yet, without opening the full tracker.
Pick a window you can actually repeat for a few weeks, let the schedule run, and only adjust after you have a week of clean data.
Built-in schedule presets
Twelve presets from 12:12 through 23:1, plus a custom hour selector.
Start the timer manually each day, or lock your eating window to fixed daily times that cycle automatically.
Timer shows current phase and eating window boundaries. The nav badge in the bottom bar updates every second so one glance tells you where you are.
Completed and cancelled fasts are kept for 30 days. Eat Early and Fast Early controls handle exceptions.
Use this feature now
Intermittent Fasting Tracker
The web app works on every device, including iPhone. Android users can also install the native app from the Play Store.
Twelve built-in presets, grouped by experience level:
You can also set a custom split in one-hour steps, so the tracker fits a routine you already follow instead of forcing a fixed one.
They're the two schedule types you pick when setting up a plan:
Use Start Now for a flexible day; use Daily Schedule when you want a routine that repeats on its own.
Yes. Your selected schedule, mode, eating-window times, and active session are saved to your account. If you close the app and reopen it later, the session is reconstructed from the recorded start time, so the timer catches up instead of starting over.
Yes. Eat Early closes an active fast before the target time, either as a one-time exception or as a permanent schedule shift. Fast Early does the opposite: it ends the eating window ahead of schedule and begins the next fast. The point is to handle exceptions without pretending they did not happen.
Completed and cancelled fasts stay in your history for the last 30 days. While a plan is active, the timer runs as one continuous loop — it shows your current phase plus the time elapsed and remaining, and keeps cycling through fasting and eating windows until you stop it. Notifications are opt-in, so you only get the reminders you switch on.
Free intermittent fasting tracker — pick a window, run it with a live timer, and keep a rolling record of what you actually did.
Run a deliberate long fast from 24 to 168 hours, with stage content through the first 72 hours and milestone callouts.
Free weight tracker — log daily, edit any entry inline, and watch the trend over time.
Free walking tracker — start a timer, pick your pace, and let pause/resume handle real-life interruptions.
Free manual calorie tracker — log meals once, save them to My Foods, and watch your daily remaining calories update live.
The sponsored structure layer — set a goal weight, pick 30 to 180 days, and the app aggregates every food, walking, and weight entry into one timeline.