Smart fasting timer, progress charts, daily reminders, and support for 16:8, OMAD, and custom plans. Reach your health goals faster.
🍎 Download on the App StoreLeanFast gives you the tools to build a consistent intermittent fasting habit
Real-time countdown tracks your fasting and eating windows. Get notified when it's time to start or break your fast.
Visualize your fasting streaks, weight trends, and weekly consistency with beautiful, easy-to-read charts.
Customizable notifications remind you when to start fasting, when your window opens, and to log your progress.
Choose from popular preset schedules like 16:8, 18:6, 20:4, OMAD, or create a fully custom fasting plan.
Get personalized tips and guidance based on your fasting history, goals, and progress patterns.
Stay motivated with daily streaks, achievement badges, and milestone celebrations as you build your fasting habit.
Get up and running in under a minute
Choose a preset fasting schedule like 16:8 or OMAD, or create a custom plan that fits your lifestyle and goals.
Tap to begin your fast. LeanFast tracks your fasting window in real time and sends reminders so you stay on track.
Log your weight, view streak charts, and watch your consistency improve week over week. The AI coach helps you optimize.
From beginner-friendly to advanced protocols
Answers to common questions about LeanFast
LeanFast is one of the best intermittent fasting apps for iPhone. It combines a smart fasting timer, detailed progress charts, daily reminders, and an AI coach in one free app. With support for 16:8, OMAD, 18:6, 20:4, 5:2, and fully custom fasting plans, LeanFast adapts to your schedule and goals.
Yes. LeanFast includes a full-featured fasting timer that counts down your fasting window in real time. You receive notifications when your fast starts and ends, plus a live countdown so you always know exactly where you are in your fasting cycle.
Absolutely. LeanFast comes with built-in support for the 16:8 fasting schedule. Select the 16:8 plan during setup and the app automatically configures your fasting and eating windows, sends smart reminders, and tracks your daily streaks and consistency.
Yes, LeanFast is free to download from the App Store. Core features including the fasting timer, preset plans, progress charts, and daily reminders are available at no cost.
LeanFast supports 16:8, 18:6, 20:4, OMAD (One Meal A Day), 5:2, and fully custom fasting schedules. You can adjust your eating and fasting windows to match your lifestyle and goals.
Yes. LeanFast includes a weight tracker with trend charts so you can monitor your progress over time. Log your weight daily or weekly and see how your fasting routine correlates with your results.
The easiest way to start is with the 16:8 plan: fast for 16 hours (including sleep) and eat within an 8-hour window. Download LeanFast, select the 16:8 plan, and the app will guide you with timers, reminders, and tips from the AI coach.
Join thousands of people using LeanFast to build healthier habits with intermittent fasting.
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