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

Ready to make intermittent fasting actually work? InterFasting is the smart fasting tracker and fasting timer that helps you stay consistent without extreme dieting. No more guessing, no complicated calorie counting — just smart tools that actually work. Why people choose InterFasting • AI Schedule Recommendations Get a personalized intermittent fasting plan based on your lifestyle — no more trial and error. • AI Calorie Counter & Food Scanner Just snap a photo of your meal. Instantly see calories and macros without manual logging. • The Easiest Fasting Timer Supports 16:8, 5:2, OMAD, and fully custom schedules. Smart alarms keep you on track. • 100% Free Customization + Ad-Free Experience Adjust your fasting windows freely and track everything in a clean, distraction-free interface. • All-in-One Health Tracker Monitor fasting hours, weight progress, meals, workouts, and water intake in one place. • Home Screen Widgets Check your fasting stage and countdown timer instantly from your home screen. • Hour-by-Hour Body Stages See what’s happening in your body during a fast (Ketosis, Autophagy, and more). • Visual Progress & Photo Diary Log meals and take progress photos to stay motivated by real results. Science-backed benefits of intermittent fasting Effective fat burning and weight loss Boosted autophagy and cellular repair Better blood sugar control Reduced inflammation Improved mental clarity and energy Perfect if you want to start intermittent fasting for the first time, stay consistent with a reliable tracker, or combine fasting with keto and healthy weight loss goals. Consistency is the key. InterFasting helps you build habits that last. Download now and start your transformation. *** Apple Health Integration *** Automatically syncs weight, steps, and workout data with the Apple Health app. 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

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 5. BurningON Diet Challenge also leads on review sentiment (100% vs 89%) and iOS requirement (13.0 vs 15.0). On price, update cadence, 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 5 in-app purchases, starting at $3.99 per month. BurningON Diet Challenge asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
InterFasting versus BurningON Diet Challenge: the parameters behind the verdict, then further details
ParameterInterFastingBurningON Diet Challenge
PriceFreeFree
Rating4.8 (352 ratings) — better—
Positive reviews88.6% of reviews100.0% of reviews — better
Number of ratings352 — better—
Update frequencyEvery 4 daysEvery 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
Size99 MB52 MB
Age rating4+17+
DeveloperLivietKaHee Jeon

Customer experience

InterFasting

All ratings348 ratings
Positive95.4%
Neutral1.4%
Negative3.2%
Written reviews70 reviews
Positive88.6%
Neutral2.9%
Negative8.6%

BurningON Diet Challenge

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

In-app purchases

5 purchases

InterFasting

Subscriptions4
  • Intermittent Fasting Monthly$3.991 Month
  • Intermittent Fasting Monthly$6.991 Month
  • Intermittent Fasting Annual$12.991 Year
Show 1 more
  • Intermittent Fasting Annual$34.991 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 4 days, and BurningON Diet Challenge every 4 days. Most recently, InterFasting was updated on October 25, 2026 and BurningON Diet Challenge on October 24, 2026.

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