OnBook is made and published by Jinyoung Jang. AppBrain is an independent app data site and isn't affiliated with Jinyoung Jang. The app name, icon, screenshots and description belong to Jinyoung Jang and are shown as published on the App Store.
About OnBook
OnBook is an education app developed by Jinyoung Jang.
What is the rating of OnBook?
OnBook has no ratings yet.
Is OnBook free?
OnBook is free. The app size is 38.58 MB. The latest version available is 1.0.1. The last update was on May 25, 2026.
What are the requirements for OnBook?
The app has a content rating of Everyone. The app has been available on the App Store since May 2026.
Screenshots
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Changelog of OnBook
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Developer information for Jinyoung Jang
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App Store Rankings for OnBook
Technologies used by OnBook
Frequently asked questions about OnBook
Is OnBook free?
Yes. OnBook is free on the App Store.
Is OnBook still available?
Yes. OnBook is on the App Store, and the last update we saw was on May 25, 2026.
How large is OnBook?
OnBook is 38.58 MB.
Is OnBook suitable for children?
App Store rates the content of OnBook as suitable for everyone.
Who made OnBook?
OnBook was developed by Jinyoung Jang. It is listed in the education category on the App Store.
What are the best alternatives to OnBook?
People looking at OnBook also look at these education apps: VisualGrammar:Sentence Diagram, Posso Parent App, IELTS Practice & Mock Tests, 100LS Player:Videos,MP3, Reading Mama.