Comparison

InterFasting vs BurningON Diet Challenge

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

InterFasting

This app helps users succeed with intermittent fasting through scientific and systematic management. It offers AI-powered schedule and calorie recommendations, a simple timer, and comprehensive tracking of fasting hours, meals, workouts, and water intake. Users can visualize progress and receive detailed reports to build healthy habits.

Highlights
  • AI fasting schedule recommendations
  • AI food calorie calculation
  • Intermittent fasting timer
  • Customizable fasting plans
  • All-in-one health tracking
  • Fasting analysis and reports
  • Home screen widget
Features
Read full description

Want to succeed with intermittent fasting and achieve your weight loss goals? Meet InterFasting—the ultimate AI-powered intermittent fasting tracker and smart diet companion trusted by millions worldwide! Instead of just starving yourself, InterFasting helps you build sustainable, healthy habits through scientific, data-driven, and systematic health management. Start your smart wellness journey with the highest-rated fasting app on the App Store. ■ WHY CHOOSE INTERFASTING? [NEW] INTRODUCING INTERFASTING AI • AI Schedule Recommendations: No more guessing! Our advanced AI automatically analyzes your lifestyle to recommend the perfect, customized intermittent fasting plan. • AI Calorie Counter & Food Scanner: Simply snap a photo of your meal. The AI instantly calculates calories and macros to effortlessly log and manage your diet. THE EASIEST INTERMITTENT FASTING TIMER • Supports all popular fasting methods including 16:8, 5:2, OMAD (One Meal a Day), and custom circadian rhythm schedules. • Receive smart, timely alarms for your fasting start and end times. (※ Please enable notification settings!) 100% CUSTOMIZABLE & AD-FREE FASTING • Adjust your fasting times and schedules completely free. • Track, edit, and manage your personalized fasting plan with a clean, ad-free interface. ALL-IN-ONE HEALTH & WEIGHT TRACKER • Monitor everything in one place: fasting hours, weight loss progress, meal logs, workout activity, and daily water intake. SCIENTIFIC FASTING ANALYSIS & REPORTS • Access detailed body statistics, fasting history, and meal calorie data. • Stay motivated with comprehensive weekly and monthly progress reports. CONVENIENT HOME SCREEN WIDGETS • Check your current fasting stage, countdown timer, and control your status instantly right from your home screen. HOUR-BY-HOUR BODY STAGES INFO • Learn what happens inside your body during a fast (Ketosis, Autophagy, etc.). Understanding these metabolic changes is the key to long-term success. VISUAL PROGRESS & PHOTO DIARY • Log your meals and take "Eye Body" progress photos. Seeing your physical transformation over time is the ultimate motivation to keep going! ■ THE SCIENCE-BACKED BENEFITS OF FASTING • Effective Weight Loss & Fat Burn: Target stubborn body fat and optimize metabolism. • Boosted Autophagy & Cellular Repair: Enhance cellular health and longevity. • Improved Blood Sugar Control: Increase insulin sensitivity and manage glucose levels naturally. • Reduce Inflammation: Lower oxidative stress and support your body’s natural detox. • Enhanced Mental Clarity: Experience razor-sharp brain function and steady energy levels. ■ PERFECT FOR ANYONE WHO WANTS TO: • Try intermittent fasting for the first time and need a beginner-friendly guide. • Stay accountable with a systematic, automated fasting tracker. • Achieve healthy weight loss, keto diet goals, or better metabolic health. • Stop struggling with complex calorie counting and manual meal logging. The secret to a successful lifestyle change is consistency. InterFasting is here to help you build healthy habits that last. Download InterFasting now and unlock your healthy transformation! *** APPLE HEALTH INTEGRATION *** InterFasting seamlessly integrates with the Apple Health app to automatically sync and track your weight, steps, and workout data. --- ABOUT SUBSCRIPTIONS & PAYMENT • Payment will be charged to your Apple ID account at confirmation of purchase. • You can manage or cancel your subscription in your App Store Account Settings at any time. • Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. - Terms of Service: https://www.interfasting.app/service_en - Privacy Policy: https://www.interfasting.app/privacy_en

About

BurningON Diet Challenge

This app helps manage your diet, weight, and health data in one place. It offers meal plans, a fasting timer, workout tracking, and progress photos. Visualize your journey with detailed statistics and analysis.

Highlights
  • 4-week program schedule
  • Phase-specific meal plans
  • Intermittent fasting timer
  • InBody data tracking
  • Progress photo logging
  • Workout and GPS tracking
  • Detailed statistics and graphs
Features
Read full description

Activate Your Fat Metabolism with Burning On Diet Challenge App Manage everything in one place: meal plans, weight, InBody data, water intake, fasting timer, progress photos, and personal notes. Reduce the hassle of searching for information and practice Switch On Diet more efficiently by checking all necessary data at a glance. Based on Dr. Park Yong-woo's 33 years of clinical experience, this app supports both the scientifically proven 4-week program and intermittent fasting. Track your progress effortlessly with daily journals, providing a systematic and rewarding diet experience. [Key Features] Schedule Management Automatically generate a 4-week program schedule and view it at a glance with the calendar view. Easily understand Phase-by-Phase meal changes and customize your own schedule. Meal Management Phase-specific meal plans are automatically provided, and you can easily track calories of foods you eat. Save frequently eaten foods and meal templates for quick entry, and register your own custom foods. Intermittent Fasting Timer Check fasting progress with real-time timer and receive notifications when you reach your target time. Fasting records are automatically saved and viewable in statistics. Comprehensive Health Records Record detailed InBody data including weight, body fat percentage, muscle mass, visceral fat, waist circumference. Manage all daily health data in one place: water intake, sleep hours, bowel movements, and personal notes. Progress Photos Take body photos and save them by date to visually track your body's changes over time. Workout Records Support 30+ workout types including walking, running, and strength training. Record running routes with GPS tracking, and automatically collect steps and stairs climbed data by integrating with HealthKit and Google Fit. Detailed set-by-set records and workout photos are also supported. Statistics and Analysis Visualize all data including weight, body fat, water intake, and workout records with graphs and charts to understand progress at a glance. Check statistics for desired periods with various filters: 7 days, 30 days, entire program, or custom date range. [Recommended For] Those practicing Switch On Diet program Those doing or planning to start intermittent fasting Those wanting to systematically manage diet, exercise, and health data Those wanting to conveniently manage diet records in one place Those wanting motivation through change tracking and sense of achievement [Highlights] Scientific diet program based on Dr. Park Yong-woo's 33 years of clinical experience Support both 4-week program and intermittent fasting (16:8, 5:2, 24-hour) All-in-one management: meal, weight, InBody, water intake, fasting, workout, notes Clear understanding of progress with detailed statistics and graphs

Screenshots

InterFasting4 screens
BurningON Diet Challenge4 screens

Verdict

The call

The clearest difference is in-app purchases: BurningON Diet Challenge at none against InterFasting's 3. BurningON Diet Challenge also leads on review sentiment (100% vs 88%) and iOS requirement (13.0 vs 15.0). InterFasting's advantage is update cadence (every 2 days vs every 4 days). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. InterFasting sells 3 in-app purchases, starting at $3.99 per month. BurningON Diet Challenge asks for nothing beyond the download.

UpkeepUpdate frequency

InterFasting ships an update every 2 days, BurningON Diet Challenge every 4 days. The most recent releases landed on September 22, 2026 and September 11, 2026 respectively.

Scorecard5 real differences · 5 level
InterFasting versus BurningON Diet Challenge: the parameters behind the verdict, then further details
ParameterInterFastingBurningON Diet Challenge
PriceFreeFree
Rating4.8 (267 ratings) — better—
Positive reviews88.4% of reviews100.0% of reviews — better
Number of ratings267 — better—
Update frequencyEvery 2 days — betterEvery 4 days
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size85 MB52 MB
Age rating4+17+
DeveloperKim YunhooKaHee Jeon

Customer experience

InterFasting

All ratings267 ratings
Positive95.1%
Neutral1.1%
Negative3.7%
Written reviews69 reviews
Positive88.4%
Neutral2.9%
Negative8.7%

BurningON Diet Challenge

Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

InterFasting

Subscriptions2
  • Premium 1 month$3.991 Month
  • Gandan Premium Annual$12.991 Year
One-time1
  • Premium User$12.99
None

BurningON Diet Challenge

No in-app purchases

Questions

Is InterFasting free?
InterFasting is free to download, with in-app purchases available.
Is BurningON Diet Challenge free?
BurningON Diet Challenge is free to download, with no in-app purchases.
Do InterFasting or BurningON Diet Challenge have ads?
Both InterFasting and BurningON Diet Challenge show ads.
Which is updated more often, InterFasting or BurningON Diet Challenge?
InterFasting ships an update every 2 days, and BurningON Diet Challenge every 4 days. Most recently, InterFasting was updated on September 22, 2026 and BurningON Diet Challenge on September 11, 2026.

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