⬅️Guide

app to track fasting

👤
Trider TeamApr 20, 2026

AI Summary

While you don't need an app for intermittent fasting, it provides the structure of a timer, coach, and log to help you build a routine that sticks. It's the tool that keeps you honest when your motivation disappears.

You don't need an app for intermittent fasting. People did it for centuries without one. But you also don't need a map to drive across the country. It just helps.

A good app can be the difference between quitting after a week and building a routine that actually sticks. It’s not about the technology. It's about the structure it gives you. The app is a stopwatch, a coach, and a progress log that keeps you honest when your motivation disappears.

More than a stopwatch

Most fasting apps are basically timers. You hit start, you hit stop. But the ones that are actually useful do a bit more.

They give you customizable schedules, so you can start with an easy 14:10 fast or try something more advanced. They send you notifications when it's time to start and end your fast, which is better at keeping you on track than you'd think. And they show you your streaks. Seeing that number go up is a simple psychological trick, but it works.

I remember driving my old 2011 Honda Civic one Tuesday when my phone buzzed at 4:17 PM. My fasting window was over. I hadn't even been thinking about food. Before I started using an app, I would have caved hours earlier just out of habit. That little notification was enough to break the impulse.

Finding a schedule that works

The most common place to start is the 16:8 method, where you fast for 16 hours and eat within an 8-hour window. This is pretty manageable for most people because you’re asleep for half of the fast. It usually just means skipping breakfast and eating between noon and 8 PM.

Other schedules are out there, too:

  • 14:10 or 12:12: A gentler way to ease into it.
  • 5:2 Diet: You eat normally five days a week and cut back to 500-600 calories on two non-consecutive days.
  • Eat-Stop-Eat: This is a full 24-hour fast, once or twice a week.

An app helps you experiment with these without having to think too much about it. You can just see what clicks.

Intermittent Fasting Schedules 16:8 Method Eat: 12 PM - 8 PM 5:2 Diet 5 Normal Days, 2 Restricted Fast Eat

What to look for

The app store has plenty of options. Zero and Fastic are popular, and Simple includes a bunch of articles and videos if you're into that.

When you're picking one, just make sure it lets you set your own fasting windows instead of locking you into presets. Some let you log water intake, mood, or exercise, which can help you see patterns beyond just when you eat.

A lot of them are pushing subscriptions now, but the free versions usually have everything you need to get started. You're not looking for a fancy timer; you're looking for a tool that helps you build consistency.

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