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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 (OMAD) — 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. A small badge tracks the number of continuous days in the current cycle.
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 fire at meaningful moments such as shortly before your eating window ends.
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 (OMAD), 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.
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Intermittent Fasting Tracker
The web app works on every device, including iPhone. Android users can also install the native app from the Play Store.
Yes. 16:8 is one of the most effective and sustainable IF schedules. Most people see meaningful results within 4-8 weeks when combined with sensible eating during the window.
Black coffee and plain tea are generally considered fasting-safe. They contain negligible calories and do not trigger a significant insulin response.
Calories break a fast. Water, black coffee, and plain tea are fine. Milk, sweeteners with calories, or any food will end the fast.
Usually no. Stable patterns are easier to execute and evaluate. Pick one window and stick with it long enough to generate real data.
After at least a week of clean adherence data. Don't adjust based on one hard day.
First, check whether this is a true pattern or just a rough day. Intense hunger often hits in waves and usually passes if you wait a bit. It also helps to look at the previous day honestly. Low protein, a large refined-carb meal, poor sleep, or a late-night eating pattern often makes the next fast feel harder.
Treat the fasting window as a tool, not a religion. If you have a dinner, lunch, or family event, shift the window for that day and return to your normal rhythm after. The goal is a repeatable pattern across weeks, not winning one perfect Tuesday and losing the weekend.
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 hour-by-hour stage content and milestone callouts.
Free weight tracker — log daily, edit recent entries inline, and see 7, 30, or 180 days at a glance.
Free walking tracker — start a timer, pick your pace, and let pause/resume handle real-life interruptions.
Free calorie tracker — log meals once, save them to My Foods, and watch your daily remaining calories update live.
The structured challenge mode — set a goal weight, pick 30 to 180 days, and the app aggregates every food, walking, and weight entry into one timeline. Unlocked with sponsorship.