in vs WHOYOU (후유)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
in
This app offers a comprehensive mental wellness solution, helping users measure stress levels using PPG technology and providing personalized programs like emotional diaries, cognitive therapy exercises, meditation, and ASMR sounds to manage anxiety and improve overall well-being.
- Stress measurement using PPG
- Personalized mental health programs
- Emotional diary
- Cognitive therapy exercises (Re-Think)
- Guided meditation
- ASMR and natural sounds
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Measure my stress through in mind and manage it with a customized mental health program! It offers a variety of mental health programs to relieve anxiety, tension, and excitement. Take time to recognize your current feelings and focus fully on yourself through various programs in mind. • Recommend it to those who have concerns below! 1. For those who can't fall asleep easily due to anxiety, nervousness, or concerns, 2. If you want to relax your mind due to complicated worries, 3. Who wants to check their stress levels and manage themselves. 4. For those who feel mentally exhausted and tired but feel burdened to receive treatment. 5. Someone who wants to manage stress but hesitates because they don't know where to start and how to start • Integrated management program in mind 1. Measure the bpm of the user with PPG (optical pulse wave detection) and analyze the degree of bpm change to measure the degree of activation of each nervous system of the user. 2. Classify the user's stress levels based on the measured results. 3. We recommend a mental health program suitable for user stress conditions. • What is PPG? The PPG and optical pulse wave measurement technology used to measure stress is a mobile implementation of the measurement method used in actual medical devices. Measure the changes in blood flow through the user's fingers through the camera and flash on the phone. Through this, the overall stress state of the user is shown by deteriorating the activity of the nervous system such as autonomic nerve activity and balance. *The results measured by 'PPG' can be used to determine the overall tendency of stress conditions, but cannot be used for medical purposes. For accurate results, please visit the hospital and conduct a thorough examination. • What is the mental health program provided by in mind? 1. Emotional diary Write down the feelings you feel every day in a simple diary with a cute one emoticon. I can check my emotional changes by building up my emotions that change day by day. 2. Re-Think It is a program that simplifies ACT (cognitive therapy) so that you can confide in your mind through some questions and take a step away from your worries and look at them with a new perspective. 3. Meditation Focus on breathing and recognize my feelings now, so that I can fully feel the emotions that are happening in my heart at this moment. 4. Sound It provides natural sounds and various ASMRs recorded and filmed by itself. With the timer function, you can enjoy it comfortably for as long as you want, or set a target time to concentrate in a relaxed state. *Subscription prices and terms&Conditions in mind provides an automatic renewal subscription that allows users to use all services in in mind without restriction while maintaining an active subscription. The monthly subscription is 4.49USD per month and the annual subscription is 43.99 USD per year. You will be charged as a payment method registered in your iTunes account after the paid payment for the first subscription start. If you do not cancel your automatic renewal 24 hours before the subscription expires, you will automatically renew and pay within 24 hours before the subscription expires. You can check and cancel your subscription in the App Store > Menu > Account > Subscription > Regular Payment. *Refunds and other processing procedures follow the Terms of Service. Terms of Service: http://www.demand.co.kr/service?lang=en Privacy Policy: http://www.demand.co.kr/privacy?lang=en *Minimum supported OS version: iOS 13.0 * App permissions: [Required] -None [Optional] - Camera : Use stress measurement (PPG). Even if you don't allow to grant optional access, you can still use the content except for stress measurements. Hompage : http://www.demand.co.kr Contact: help@demand.co.kr
WHOYOU (후유)
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일상 속 마음관리 앱, WHOYOU (후유) 심리 전문가가 만든 심리검사, 맞춤형 데일리 미션, 다양한 심리 콘텐츠를 통해 후유와 함께 일상 속 마음관리를 경험해 보세요. ■ 어떤 서비스를 제공하나요? - 여행지원서 : 마음여행 전후로 진행되는 심리검사인 여행지원서를 통해 내 마음이 얼마나 성장했는지 확인할 수 있어요. - 마음날씨&마음노트 : 오늘의 감정, 감사일기, 나의 다짐을 매일 기록해 보세요. - 미션 : 작성한 여행지원서(사전검사) 결과를 기반으로, 나의 마음 상태와 주요 관심 주제를 분석하여 오직 나에게 맞춘 데일리 미션을 제공해요. - 광장 : 오늘의 감정, 고민, 미션 수행 후 느낀 점을 다른 사용자와 자유롭게 나눌 수 있어요. - 도서관 : 내 마음을 채우는 다양한 주제 심리 콘텐츠를 확인해 보세요. ■ 이런 분들께 추천해요 일상적 스트레스 관리가 필요하신 분들 자기이해와 성장 을 하고자 하는 분들 다양한 마음의 힐링 방법을 알고 싶은 분들 관계와 의사소통에 대해 배우고자 하는 분들 ■ WHO YOU(후유) 공식채널 - 고객센터 : 카카오채널 @WHOYOU (마음건강관리) - 인스타그램 : https://www.instagram.com/whoyou_ezn/ - 블로그 : https://blog.naver.com/whoyou_ezn ■ 앱 접근 권한에 대한 안내 『정보통신망 이용촉진 및 정보보호 등에 관한 법률』 제 22 조의 2 에 따라 아래와 같은 목적으로 “앱 접근 권한” 에 대한 동의를 이용자에게 받고 있습니다. [필수 접근 권한] - 없음 [선택 접근 권한] - 알림: WHOYOU에서 제공하는 알림 수신 시 - 사진 / 카메라 / 파일: 프로필 사진, 마음노트 사진촬영 및 첨부 시 - 마이크: 마음노트 목소리 녹음 기능 이용 시 ※ 선택 접근 권한에 대한 동의는 해당 권한이 필요한 시점에 받고 있습니다. 동의하지 않으셔도 WHOYOU 서비스를 이용 하실 수 있습니다.
Screenshots
Verdict
The clearest difference is in-app purchases: WHOYOU (후유) at none against in's 2. in's advantage is update cadence (monthly vs every 3 months). On price, ads, 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
Both are free to download. in sells 2 in-app purchases, starting at $4.49 per month. WHOYOU (후유) asks for nothing beyond the download.
in ships an update monthly, WHOYOU (후유) every 3 months. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.
| Parameter | in | WHOYOU (후유) |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 22 MB | 16 MB |
| Age rating | 12+ | 12+ |
| Developer | Demand. INC | TELUS Health (Korea) Co., Ltd. |
In-app purchases
in
- inmind monthly subscription7 Days trial$4.491 Month
- annual subscription7 Days trial$43.991 Year
WHOYOU (후유)
No in-app purchases









