in vs birrd
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
birrd
This app offers various programs to train your physical fitness, body health, and mental well-being. Follow its training routines to become stronger and healthier. Train alongside dedicated users to achieve great results.
- Physical fitness training
- Body health programs
- Mental well-being exercises
- Guided training routines
- Community training
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인생 체육관 birrd에 오신것을 환영합니다. birrd에는 당신의 체력, 신체 건강, 그리고 정신 건강까지 단련할 수 있도록 다양한 프로그램이 마련되어 있습니다. birrd의 훈련을 따라오다 보면 당신도 모르는 사이에 이전과는 비교할 수 없이 강하고 건강해진 당신을 발견할 수 있을 것입니다. 위대한 성과를 위해 하루하루 고독하게 훈련하는 birrd 훈련원들과 함께 훈련하세요. 함께 더 멀리, 오래 달립시다.
Screenshots
Verdict
The clearest difference is review sentiment: birrd at 93% against in's 0%. birrd also leads on rating (5.0 vs 1.0) and in-app purchases (none vs 2). in's advantage is iOS requirement (13.0 vs 16.0). 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
Both are free to download. in sells 2 in-app purchases, starting at $4.49 per month. birrd asks for nothing beyond the download.
birrd holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 0% of in's written reviews are positive against 93% of birrd's.
in ships an update monthly, birrd every 3 days. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.
| Parameter | in | birrd |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 93.3% of reviews — better |
| Number of ratings | 1 | 3 — better |
| Update frequency | Monthly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 22 MB | 125 MB |
| Age rating | 12+ | 4+ |
| Developer | Demand. INC | ironpig Inc. |
Customer experience
in
birrd
In-app purchases
in
- inmind monthly subscription7 Days trial$4.491 Month
- annual subscription7 Days trial$43.991 Year
birrd
No in-app purchases









