Comparison

InterFasting vs 웰스토리플러스

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
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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

웰스토리플러스

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▶ W+의 새로워진 기능, 기능별로 알아봐요! □ 내 건강 변화를 한 눈에 볼 수 있는 ‘헬스로그’ My로그를 통해 최근 내 건강 추이의 변화를 한 눈에 알 수 있어요. 헬스 보드로 나의 일자별 영양, 건강, 운동데이터를 입력하고 차트로 분석된 결과를 확인할 수 있어요. > 영양 : 섭취 내역을 기반으로 칼로리와 영양소 섭취 상태를 확인해보세요. > 건강 : 건강검진기록과 다양한 측정기기를 연동해 나의 운동 현황을 한번에 확인할 수 있어요. > 운동 : 삼성헬스 앱을 연동해보고 AI가 추천하는 맞춤 모션 운동도 시작해보세요.   □ 다른 사람들과 함께하며 서로 동기 부여를 할 수 있는 ‘챌린지’ 프로그램 - 미션 : 내 미션 설정으로 나의 건강습관을 만들어보세요. - 챌린지 : 다양한 테마의 챌린지에 참여해서 나만의 도전 목표를 세워보고, 같은 챌린지에 참여한 챌린저들과도 소통하며 의욕 충전! - 전문가 상담 : 전문 건강 코치와의 1:1 채팅을 통해 내 영양 상태에 대한 밀착 상담을 받을 수 있어요. □ 오늘 내 식당의 메뉴와 이벤트는 무엇일까요? ‘메뉴’ - 사내식당 메뉴부터 간식, 테이크아웃, 구독식, 예약식 모든 정보를 확인할 수 있어요. - 메뉴를 한번 더 눌러보세요. 자주 이용하는 서비스로 더 빨리 이동할 수 있어요. □ 더 큰 건강 시너지를 만들어낼 수 있는 ‘케어’서비스 웰스토리플러스와 연계된 트렌디한 건강 서비스를 만나보세요. - 영양, 건강, 운동 케어에 대한 다양하고 재미있는 서비스를 소개해드릴게요 □ 내 건강에 도움이 되는 상품들을 만나보세요. ‘샵’ - 저칼로리, 건강 간식, 프로틴UP 등 건강 식단을 제안하고, 건강기능식품과 스포츠 용품도 추천해드려요 *웰스토리플러스에서 사용하는 접근권한 안내 ① 카메라 : 식사/잔반 기록, AI 모션운동, 고객의 소리 등록 시 사진 촬영 ② 사진/저장소 : 식사/잔반 기록, 고객의 소리 등록 시 사진 업로드 ③ 위치/근처기기 : 블루투스를 이용한 건강 데이터 측정 기계 연결 및 정보 생성 시 활용 (서비스를 실행하지 않더라도 백그라운드에서 위치가 사용됨) ④ 알림 : 푸시알림을 보내기 위한 권한 설정

Screenshots

InterFasting4 screens
웰스토리플러스4 screens

Verdict

The call

The clearest difference is review sentiment: InterFasting at 88% against 웰스토리플러스's 41%. InterFasting also leads on update cadence (every 2 days vs monthly). 웰스토리플러스's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, device support and iOS requirement 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. 웰스토리플러스 asks for nothing beyond the download.

UpkeepUpdate frequency

InterFasting ships an update every 2 days, 웰스토리플러스 monthly. The most recent releases landed on September 26, 2026 and September 27, 2026 respectively.

Scorecard4 real differences · 6 level
InterFasting versus 웰스토리플러스: the parameters behind the verdict, then further details
ParameterInterFasting웰스토리플러스
PriceFreeFree
Rating4.8 (307 ratings) — better—
Positive reviews88.4% of reviews — better41.2% of reviews
Number of ratings307 — better—
Update frequencyEvery 2 days — betterMonthly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size88 MB177 MB
Age rating4+4+
DeveloperKim Yunhoo삼성웰스토리(주)

Customer experience

InterFasting

All ratings307 ratings
Positive95.1%
Neutral1.6%
Negative3.3%
Written reviews69 reviews
Positive88.4%
Neutral2.9%
Negative8.7%

웰스토리플러스

Written reviews51 reviews
Positive41.2%
Neutral5.9%
Negative52.9%

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

웰스토리플러스

No in-app purchases

Questions

Is InterFasting free?
InterFasting is free to download, with in-app purchases available.
Is 웰스토리플러스 free?
웰스토리플러스 is free to download, with no in-app purchases.
Do InterFasting or 웰스토리플러스 have ads?
InterFasting shows ads; 웰스토리플러스 does not.
Which is updated more often, InterFasting or 웰스토리플러스?
InterFasting ships an update every 2 days, and 웰스토리플러스 monthly. Most recently, InterFasting was updated on September 26, 2026 and 웰스토리플러스 on September 27, 2026.

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