Smart Fat Burning

Burn Fat
Smarter

Transform your health with intermittent fasting. Simple, effective, and designed for real results. No complicated setups. No overwhelming dashboards.

Lose belly fat faster

No email • No credit card • Start instantly

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Fat Burning Stage

Deep fat burning mode

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Eating Window

Track meals & hydration

Belly Fast App Screenshot - Fasting ModeBelly Fast App Screenshot - Eating Window

The Problem We Solve

The Modern Eating Problem

Frequent meals, late-night snacking, and constant digestion keep insulin levels high and make it difficult for the body to burn stored fat.

  • Weight gain and stubborn belly fat
  • Insulin resistance over time
  • Low energy and poor metabolic health

The Solution: Intermittent Fasting

Intermittent fasting gives your body time to rest, reset, and switch into fat-burning mode.

Belly Fast Makes It Easy

Our app makes the fasting process clear, structured, and easy to follow. No complicated setups, just simple tracking that works.

What Is Intermittent Fasting?

Intermittent fasting focuses on when you eat. By cycling between fasting and eating windows, your body can unlock powerful health benefits.

Burn Stored Fat

Your body switches to fat-burning mode for energy

Improve Insulin Sensitivity

Better blood sugar control and metabolic health

Cellular Repair

Support cellular regeneration and autophagy

Mental Clarity

Increased focus, energy, and cognitive function

Belly Fast helps you stay consistent and understand what's happening in your body at each stage of the fast.

Fasting Plans Tailored to You

During onboarding, Belly Fast calculates your BMI and recommends a fasting plan suited to your body. You can always adjust as you progress.

Beginner Friendly

12:12

Gentle Start

12-hour fasting, 12-hour eating window

  • Perfect for beginners
  • Easy to maintain
  • Build healthy habits
Most Popular

18:6

Popular Choice

18-hour fasting, 6-hour eating window

  • Effective for belly fat loss
  • Metabolic improvement
  • Sustainable long-term
Advanced

OMAD

One Meal a Day

23-hour fasting, 1-hour eating window

  • Advanced fasting
  • Maximum benefits
  • For experienced fasters
Expert Level

48-Hour

Extended Fast

Two full days of fasting

  • Deep cellular repair
  • Maximum fat burning
  • Requires experience

Start simple and progress at your own pace.

Everything You Need to Succeed

No clutter. No confusing dashboards. Just the data that matters.

Flexible Fasting Plans

Choose from 12:12, 18:6, OMAD, or 48-hour fasting. Multi-day fasting support included.

Complete Body Tracking

Track weight, waist size, BMI, and set target goals. Easy-to-read progress visuals with unit conversion.

Smart Notifications

Hydration reminders, eating window alerts, and fasting completion notifications that work in the background.

Daily Insights & Education

AI-generated fasting insights and science-based guidance on what happens during your fast.

Low-Calorie Recipes

Fasting-friendly meal ideas for your eating window with nutrition-focused suggestions.

Privacy & Control

Use without an account. Optional cloud backup and sync. No data selling. Delete anytime.

Progress Tracking

Visual charts and history for weight, waist measurements, and fasting consistency.

BMI Calculator

Calculate your BMI during onboarding to get personalized fasting plan recommendations.

Designed for Simplicity

Unlike other fasting apps where features feel scattered and overwhelming, Belly Fast keeps everything easy to understand and focused on what matters — helping you fast consistently and burn fat smarter.

Start Your Journey Today

Download Belly Fast and discover a smarter, simpler way to burn fat, improve metabolic health, and build sustainable fasting habits.

No email sign-up required
No credit card needed
Start tracking immediately
Privacy-focused design
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