Comparison

ZenHub vs onsim

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

Head to head
About

ZenHub

Features
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ZenHub is an application that helps facilitate meditation by utilizing the multitude of meditation videos posted on YouTube. Begin your journey towards inner tranquility with ZenHub. Key Features - Building your own meditation video library - You can select videos from YouTube to add to your library. - You can directly enter a YouTube video URL to add to your library. - You can adjust the order of the videos in your library. - You can edit or delete meditations. - Integration with Apple Health - Meditation progress is automatically recorded in Apple Health. - Widget functionality - You can create a widget for the most recent meditation. - You can start a meditation directly through the widget. - iCloud synchronization - Your personal meditation library is synchronized with iCloud. - Your library is maintained even if you reinstall the app or install it on a different device.

About

onsim

Features
Read full description

β–  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. β–  Explanations from the Experts - Get a detailed breakdown of your health status, along with the reasoning behind why you should exercise this way. β–  Weekly Goals at a Glance - Check your progress toward this week's goals at a glance and stay motivated. β–  Heart Rate Analysis by Workout - See how effective today's workout was through your heart rate graph. β–  My Health Change Report - Easily record and track your weekly changes in exercise, sleep, and overall health. β–  Building Healthy Habits Together - Share your records, grow alongside your peers, and keep your consistency going. β–  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 β–  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 rate–based 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. β€» 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.

Screenshots

ZenHub4 screens
onsim4 screens

Verdict

The call

The clearest difference is in-app purchases: onsim at none against ZenHub's 1. onsim also leads on update cadence (weekly vs every 4 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. ZenHub sells 1 one-off in-app purchase. onsim asks for nothing beyond the download.

UpkeepUpdate frequency

ZenHub ships an update every 4 months, onsim weekly. The most recent releases landed on January 4, 2026 and October 14, 2026 respectively.

Scorecard3 real differences Β· 3 level
ZenHub versus onsim: the parameters behind the verdict, then further details
ParameterZenHubonsim
PriceFreeFree
Update frequencyEvery 4 monthsWeekly β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhoneiPhone, iPad, Apple Watch β€” better
Requires iOS16.016.0
Further details β€” not scored
Size6 MB82 MB
Age rating4+17+
DeveloperMINGOO KIMμ—μ΄μΉ˜λΉ„μ»€λ„₯트

In-app purchases

1 purchases

ZenHub

One-time1
  • Premium Lifetime Family$1.99
None

onsim

No in-app purchases

Questions

Is ZenHub free?
ZenHub is free to download, with in-app purchases available.
Is onsim free?
onsim is free to download, with no in-app purchases.
Do ZenHub or onsim have ads?
Neither ZenHub nor onsim shows ads.
Which is updated more often, ZenHub or onsim?
ZenHub ships an update every 4 months, and onsim weekly. Most recently, ZenHub was updated on January 4, 2026 and onsim on October 14, 2026.

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