RainbowStar
Open Knowledge Association Ltd. Education iPhoneiPadiPod touch
RainbowStar is a free Education app for iPhone and iPad by Open Knowledge Association Ltd. Requires iOS 12.0. Updated June 24, 2026.
- Price
- Free
- on the App Store
- Size
- 287 MB
- Age 4+
- Updated
- Jun 24
- 2026 · v2.8.44
Screenshots
About RainbowStar
Your e-books, your pedagogy. Cater your student's need. RainbowStar lets you create your own e-Learning materials and hold a truly interactive and engaging e-lesson. E-books can be easily created and adjusted freely to suit your needs. Our interactive e-lesson equipped with functions which helps you to save time. Exercises can be auto-corrected, and the learning data are analyzed to let you know more about your students’ ability. And the most important is, it is fun! Innovative e-Book Editor: Total Design Freedom We offer 80+ comprehensive tool and 10000+ images for you to tailor-make your e-books. You can start with a free canvas or choose from our templates. With easy drag and drop you can customize anything. Cross-platform lesson: Interact with your students Lesson can be held in a cross-platform environment. You can group your students and hold a competition, voting or discussion. We also provide page-sync, black-out screen and other functions that helps you manage your class. Instant Charts: Know your students well All questions with pre-set answers are instantly corrected. Learning data are automatically collected and analyzed. You can easily find out the learning difficulties of your students. Bookstore with editable e-books Share your knowledge! Here we have a bookstore for you to share your materials in public, and you can read the e-books from the bookstore to get some inspiration, or even download and edit it to suit your needs.
What’s new
Version 2.8.44 · Updated June 24, 2026
- Added automatic classroom grouping feature - Added book rating functionality - Disabled browser tools by default - Resolved an issue where certain e-books would hang during printing - Fixed an issue preventing teachers from assigning specific pages to students. - Fixed bugs in other components.
App privacy
The developer, Open Knowledge Association Ltd., reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Purchases: Purchase History
- Contact Info: Email Address, Name
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction
Used for: App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Precise Location, Coarse Location
- User Content: Photos or Videos, Audio Data
- Diagnostics: Crash Data
Used for: App Functionality
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