Comparison

다이어트신 vs InterFasting

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

Head to head
About

다이어트신

Features
Read full description

다신은 이런 분들에게 꼭 필요한 다이어트 어플입니다~ ◆의지박약으로 혼자하는 다이어트에 번번히 실패하신 분! ◆광고글이 아닌 리얼한 다이어트 후기를 원하시는 분! ◆체계적인 다이어트 관리가 필요하신 분! ◆칼로리사전, 만보기, 커뮤니티 등 따로따로 앱을 설치해서 사용하고 계신 분! ====================================== 다신은 마켓 유일! 다이어터를 위한 종합 다이어트 어플입니다! 다이어트신! 다신이 당신의 다이어트를 도와드립니다! 이젠 다신 살찌지 마세요! ====================================== ! 이 모든 기능을 다이어트신 어플 하나에 다 담았어요! ▶ 비만도 계산기 (BMI 측정) : 비만도 검사는 다이어트의 첫걸음. ▶ 다이어리 일기 : 음식/운동 칼로리, 영양소, 몸무게, 골격근량, 체지방량 관리 ▶ 칼로리 처방 : 목표 감량 체중과 기간만 입력하면, 하루 필요한 음식과 운동 칼로리 처방. ▶ 칼로리 사전 : 방대한 양의 음식 칼로리, 운동 칼로리 정보 제공. (브랜드별 식품, 프렌차이즈, 패스트푸드 등) ▶ 만보기 : 휴대폰을 들고만 다녀도 하루 걸음수 및 소모 칼로리 제공. ▶ 생리 달력 : 생리일, 다이어트 황금기, 가임기, 생리예정일 자동 계산 √ 애플 헬스앱(Health app)에서 지난 걸음 수를 불러 올 수 있습니다. √ 애플 동작 및 피트니스 앱에서 당일의 걸음 수를 불러 올 수 있습니다. ▶ 국내 최대 커뮤니티 : √ 다이어트 칼럼을 통한 다이어트에 대한 고급 정보 제공 √ 다이어트 그룹 개설 및 멤버가입을 통한 그룹 커뮤니티 서비스 제공 √ 지역별 친목방을 통한 회원들 간의 친목 게시판 √ 다이어트 자극사진 게시판 √ 다이어트 고민을 나누고, 다이어트 일기와 식단 게시판 √ 광고 없이 회원들간의 100%리얼 후기만 있는 후기&꿀팁 게시판 ※ 접근권한 안내 서비스 제공을 위해 아래와 같이 접근권한을 필요로 합니다. 카메라 : 사진 및 동영상을 바로 촬영해 등록하는 데 필요(선택) 사진 : 저장된 사진을 등록하는 데 필요(선택) 마이크 : 동영상 오디오를 녹화하는 데 필요(선택) 동작 및 피트니스 : 만보계 걸음수를 체크하는데 필요(선택) ※ 컨텐츠를 쾌적하게 이용하기 위해서는 iPhone 6S 이상을 권장합니다. ※ 앱스토어 이용상식!! - App Store 처음 이용 또는 신용카드 정보를 변경한 경우 App Store 에서 신용카드 유효 결제 테스트가 이루어지며, 테스트 완료 후 자동취소 됩니다. 본 테스트는 Apple에서 자체적으로 이루어지며, 다이어트신과는 관련 없습니다. - 구매내역 삭제는 iTunes에 접속해 본인이 직접 삭제할 수 있으며, 개발사에서는 구매내역을 삭제할 수 없습니다.

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

Screenshots

다이어트신4 screens
InterFasting4 screens

Verdict

The call

The clearest difference is rating: InterFasting at 4.8 against 다이어트신's 4.2. InterFasting also leads on update cadence (every 2 days vs monthly) and review sentiment (88% vs 64%). 다이어트신's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.0). 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. 다이어트신 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

InterFasting holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: InterFasting has 267 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 64% of 다이어트신's written reviews are positive against 88% of InterFasting's.

UpkeepUpdate frequency

다이어트신 ships an update monthly, InterFasting every 2 days. The most recent releases landed on August 29, 2026 and September 22, 2026 respectively.

Scorecard6 real differences · 4 level
다이어트신 versus InterFasting: the parameters behind the verdict, then further details
Parameter다이어트신InterFasting
PriceFreeFree
Rating4.2 (14 ratings)4.8 (267 ratings) — better
Positive reviews63.6% of reviews88.4% of reviews — better
Number of ratings14267 — better
Update frequencyMonthlyEvery 2 days — better
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPod, Apple Watch — better
Requires iOS13.0 — better15.0
Further details — not scored
Size28 MB85 MB
Age rating12+4+
Developerhye jin ParkKim Yunhoo

Customer experience

다이어트신

All ratings14 ratings
Positive78.6%
Neutral7.1%
Negative14.3%
Written reviews11 reviews
Positive63.6%
Neutral0.0%
Negative36.4%

InterFasting

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

In-app purchases

None

다이어트신

No 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

Questions

Is 다이어트신 free?
다이어트신 is free to download, with no in-app purchases.
Is InterFasting free?
InterFasting is free to download, with in-app purchases available.
Which has better reviews, 다이어트신 or InterFasting?
InterFasting is rated higher. 다이어트신 averages 4.2 out of 5 from 14 ratings, while InterFasting averages 4.8 from 267 ratings.
Do 다이어트신 or InterFasting have ads?
Both 다이어트신 and InterFasting show ads.
Which is updated more often, 다이어트신 or InterFasting?
다이어트신 ships an update monthly, and InterFasting every 2 days. Most recently, 다이어트신 was updated on August 29, 2026 and InterFasting on September 22, 2026.

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