SimFast: Fasting Tracker 4+

SimFast is a powerful and easy-to-use Fasting Tracker that helps you achieve your weight loss goals. Best of all, it's a Fasting Free app to get you started!

Want to succeed with intermittent fasting?
It's possible with SimFast, Korea's #1 fasting app chosen by millions of dieters! (Developed by Koreans)

Instead of just starving yourself, let us help you build healthy habits with scientific and systematic management. Start your smart health journey with 'SimFast', praised by countless users.

Why choose 'SimFast'?

[NEW] SimFast AI

AI Schedule Recommendations: Stop guessing! Our AI automatically recommends the perfect intermittent fasting schedule tailored to your lifestyle.

AI Calorie Calculation: Just snap a photo of your food, and the AI calculates the calories to smartly log and manage your diet.

The Easiest Intermittent Fasting Timer

Supports all fasting methods like 16:8 and 5:2, with smart alarms for your start and end times. (※ Please check your notification settings!)

Unlimited Custom Fasting

Choosing your fasting times and schedules is completely free. Manage your fasting plan without ads.

All-in-One Health Tracking

Track your fasting hours, weight changes, meals, workouts, and water intake all in one place.

Fasting Analysis & Reports

Provides detailed stats on fasting hours and meal calories, with weekly and monthly reports.

Convenient Home Widget

Instantly check and control your fasting status right from your home screen with our widget.

Detailed Fasting Stages

Get useful tips and info on what's happening in your body hour-by-hour during a fast. Understanding these changes is key to success.

Secure Backup & Restore

Protect your valuable data with our easy-to-use backup and restore feature.

Visual Progress & Meal Logging

Log your meals and visual progress ("eye body") with photos to see your amazing transformation. It's the best motivation to keep going!

The Science-Backed Benefits of Intermittent Fasting

▸ Effective Weight Loss: Burn body fat and prevent excess fat storage.
▸ Boosted Metabolism & Autophagy: Enhance your metabolism and improve cellular health.
▸ Improved Blood Sugar Control: Increase insulin sensitivity to naturally manage blood sugar levels.
▸ Promotes Detox & Cell Regeneration: Support your body’s natural detox and cellular repair processes.
▸ Reduces Inflammation: Lower inflammation levels and reduce the risk of chronic diseases.
▸ Enhanced Mental Clarity & Energy: Experience improved brain function and mood.

The perfect intermittent fasting app for you if:

You're new to intermittent fasting and don't know where to start.

You want to stay motivated with a systematic fasting app.

You aim for both weight loss and a healthy lifestyle.

You've struggled with managing diets and counting calories.

The secret to a successful diet is 'consistency'.
'SimFast', the best intermittent fasting app, will help you build healthy habits.

Download 'SimFast' now and start your healthy transformation!

*** This app integrates with the Apple Health app ***
SimFast works with Apple Health to record weight, workout data.

ABOUT PAYMENT

Upon purchase confirmation, charges will be billed to your Apple ID account.

After subscribing, you can manage and cancel your subscriptions in your App Store account settings. If not canceled at least 24 hours before the end of the subscription period, it will automatically renew.

For more details, please check the following link.


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