Comparison

InterFasting vs 바디캘린더(BodyCalendar)

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

바디캘린더(BodyCalendar)

Track your workouts with a comprehensive exercise library and custom routine creation. Visualize your progress with detailed graphs and compare past performance. Features include rest timers, superset support, and personal best tracking.

Highlights
  • Extensive exercise library (600+ types)
  • Custom workout creation
  • Calendar view of workout plans
  • Progress tracking and comparison
  • Rest and workout timers
  • Superset and circuit training support
  • Weight and measurement logging
Features
Read full description

- 스마트 워치(Wear OS)로 세트 수정/완료. - 600종류의 다양한 운동: 세부적인 분류, 주기적인 추가 - 커스텀 운동 생성: 다양한 운동 타입 커버 - 루틴: 반복되는 세션을 루틴으로 쉽게 관리하기 - 하루 3세션: 하루에 여러번 운동하는 날도 분리하여 관리 - 캘린더: 날짜, 요일 별 운동 부위를 한 눈에 - 지난 기록 복사: 캘린더에서 드래그하여 손쉽게 복사 - 이전 기록과 비교: 추정 1RM, 볼륨 등의 기록 증가/감소량을 운동 중 표시 - 세트별 휴식 시간: 운동 타이머, 휴식 타이머 - 슈퍼세트, 컴파운드 세트, 서킷 프로그램 - 웜업/드랍/실패 세트, RIR 기록 - 일괄수정: 여러 세트를 선택해 한번에 수정 - 운동 시간: 세트 체크한 시간을 기반으로 타임라인 제공 - 운동 기록 그래프: 대시보드 화면에서 모아보기 - 운동별 메모 - 날짜별 메모 - 체중, 치수 기록 Apple 건강(HealthKit): Apple Watch에서 운동 중 심박수와 활동 칼로리를 확인하고 완료된 운동을 건강 앱에 저장할 수 있습니다. 지원되는 iPhone(iOS 26 이상)의 운동 타이머는 HealthKit 운동 세션을 사용하며, 이 타이머 세션은 건강 앱에 운동 기록으로 저장되지 않습니다. 기능은 기기 및 허용한 건강 접근 권한에 따라 제공됩니다. 개발자 연락처: cs@bodycalendar.net 홈페이지: https://bodycalendar.net 이용약관 (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

InterFasting4 screens
바디캘린더(BodyCalendar)4 screens

Verdict

The call

The clearest difference is update cadence: InterFasting at every 2 days against 바디캘린더(BodyCalendar)'s every 6 days. InterFasting also leads on ratings volume (267 vs 20). 바디캘린더(BodyCalendar)'s advantage is rating (5.0 vs 4.8) and review sentiment (100% vs 88%). On price, ads, in-app purchases and monetization model 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 and 바디캘린더(BodyCalendar) sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

바디캘린더(BodyCalendar) holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: InterFasting has 267 ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 88% of InterFasting's written reviews are positive against 100% of 바디캘린더(BodyCalendar)'s.

UpkeepUpdate frequency

InterFasting ships an update every 2 days, 바디캘린더(BodyCalendar) every 6 days. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
InterFasting versus 바디캘린더(BodyCalendar): the parameters behind the verdict, then further details
ParameterInterFasting바디캘린더(BodyCalendar)
PriceFreeFree
Rating4.8 (267 ratings)5.0 (20 ratings) — better
Positive reviews88.4% of reviews100.0% of reviews — better
Number of ratings267 — better20
Update frequencyEvery 2 days — betterEvery 6 days
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.015.0
Further details — not scored
Size85 MB67 MB
Age rating4+4+
DeveloperKim YunhooWonpyo Hong

Customer experience

InterFasting

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

바디캘린더(BodyCalendar)

All ratings20 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews32 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
4 purchases

바디캘린더(BodyCalendar)

One-time4
  • 프리미엄 +30일$2.99
  • 프리미엄 +120일 (할인율 30%)$8.99
  • 프리미엄 +300일 (할인율 44%)$17.99
Show 1 more
  • 프리미엄 +1000일 (할인율 58%)$44.99

Questions

Is InterFasting free?
InterFasting is free to download, with in-app purchases available.
Is 바디캘린더(BodyCalendar) free?
바디캘린더(BodyCalendar) is free to download, with in-app purchases available.
Which has better reviews, InterFasting or 바디캘린더(BodyCalendar)?
바디캘린더(BodyCalendar) is rated higher. InterFasting averages 4.8 out of 5 from 267 ratings, while 바디캘린더(BodyCalendar) averages 5.0 from 20 ratings.
Do InterFasting or 바디캘린더(BodyCalendar) have ads?
Both InterFasting and 바디캘린더(BodyCalendar) show ads.
Which is updated more often, InterFasting or 바디캘린더(BodyCalendar)?
InterFasting ships an update every 2 days, and 바디캘린더(BodyCalendar) every 6 days. Most recently, InterFasting was updated on September 22, 2026 and 바디캘린더(BodyCalendar) on September 23, 2026.

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