onsim vs Zone2Be
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
onsim
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โ Personalized Workouts for You - We analyze your age, gender, resting heart rate, and health survey responses to recommend the most effective and safe target heart rate zone for you. โ Explanations from the Experts - Get a detailed breakdown of your health status, along with the reasoning behind why you should exercise this way. โ Weekly Goals at a Glance - Check your progress toward this week's goals at a glance and stay motivated. โ Heart Rate Analysis by Workout - See how effective today's workout was through your heart rate graph. โ My Health Change Report - Easily record and track your weekly changes in exercise, sleep, and overall health. โ Building Healthy Habits Together - Share your records, grow alongside your peers, and keep your consistency going. โ Who onsim Is For - Those who already exercise but feel they're not seeing enough results - Those who want to safely improve their fitness without pressure - Those who hesitate to start exercising due to conditions such as hypertension, diabetes, or dyslipidemia โ Frequently Asked Questions Q. Do I really need a wearable device? - If you have a device that can measure your heart rate via Bluetooth, you'll be able to access heart rateโbased workout analysis and personalized feedback for more accurate health management. To fully experience onsim's core features, we recommend connecting a device. Q. How are my target heart rate and workout duration calculated? - onsim determines your personalized target heart rate zone (Onsim Zone) and workout duration based on your age, gender, resting heart rate, and health survey responses, following the scientifically validated ACSM (American College of Sports Medicine) guidelines. Q. Where is my workout data collected from? - We use data provided by your phone and smartwatch. We collect and analyze data such as heart rate, step count, distance, calories, and workout time to provide you with reports. Q. Is this a medical service? - No. onsim is a health management and exercise guidance app. It does not replace medical diagnosis or treatment, and if you have any health concerns or are currently undergoing treatment, you must consult a medical professional. โป This app is not a medical device and does not replace medical diagnosis, treatment, or prescription. The app is not responsible for any issues that may arise from the user's use of the information provided.
Zone2Be
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๋! ํ๋ค๊ณ ๋! ๋น ์ง๋ ๋ค์ด์ดํธ ์กดํฌ๋น! ์ด๋์ ๊พธ์คํจ์ด ํต์ฌ์ด์ง๋ง, ์์ ์ ์ด๋ ๊ฐ๋์ ํจ์จ์ ์ค์๊ฐ์ผ๋ก ํ์ ํ๊ธฐ๋ ์ฝ์ง ์์ต๋๋ค. ๊ฒ๋ค๊ฐ ๋๊ธฐ๋ถ์ฌ๋ ๊ธ์ธ ์ฌ๋ผ์ง๊ณ , ๊ฒฐ๊ณผ๋ ๊ธฐ๋์ ๋ชป ๋ฏธ์น๊ณค ํ์ฃ . ์ด ์ฑ์ ์ด๋ ๊ฐ๋์ ์ง๋ฐฉ ์ฐ์ ํจ์จ์ ์ค์๊ฐ์ผ๋ก ๋ถ์ํ๊ณ ์ต์ ์ Zone2 ์ํ๋ฅผ ์ ์งํ๋๋ก ๋์์ค๋๋ค. ๋น์ ์ ๋จ์ง ์์ง์ด๊ธฐ๋ง ํ๋ฉด ๋ฉ๋๋ค. ์ฐ๋ฆฌ๋ ๋ฐ์ดํฐ๋ฅผ ๋ฐํ์ผ๋ก ๊ฐ์ฅ ํจ์จ์ ์ธ ๋ฐฉํฅ์ ์ ์ํ๋๊น์. ์ ์ ๋ ธ๋ ฅ์ผ๋ก๋ ํ์คํ ๋ณํ๋ฅผ ๊ฒฝํํ์ธ์.
Screenshots
Verdict
The clearest difference is update cadence: onsim at weekly against Zone2Be's fortnightly. onsim also leads on iOS requirement (16.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
onsim ships an update weekly, Zone2Be fortnightly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | onsim | Zone2Be |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly โ better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Apple Watch โ better | iPhone, Apple Watch |
| Requires iOS | 16.0 โ better | 18.5 |
| Further details โ not scored | ||
| Size | 82 MB | 122 MB |
| Age rating | 17+ | 17+ |
| Developer | ์์ด์น๋น์ปค๋ฅํธ | chang hyeok kang |
In-app purchases
onsim
No in-app purchases
Zone2Be
No in-app purchases









