# RainbowSky

> RainbowSky (iPhone/iPad app by Open Knowledge Association Ltd..)

- Source: https://appshunter.io/ios/app/rainbowsky/id6771268020 (this page in markdown: same URL + `.md`)
- Developer: [Open Knowledge Association Ltd.](https://appshunter.io/developer/868011308)
- Category: Education, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 292 MB
- Languages: American English, Czech, Danish, Dutch, Finnish, French (France), German (Germany), Greek, Hebrew, Indonesian and 15 more
- Released: 2026-06-05
- Data updated: 2026-08-13
- User reviews in markdown: https://appshunter.io/ios/app/rainbowsky/id6771268020/reviews.md

## What is RainbowSky?

Your e-books, your pedagogy. 
Cater your student's need.
RainbowOne 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.


## Version history (last 3 releases)

### 2.8.45b — 2026-06-24

- Fixed an issue where the program might fail to function after exiting the whiteboard tool.

### 2.8.45 — 2026-06-22

- Added Latest News feature.
- Fixed lesson student report opening issue.
- Fixed exit issue in Notice Board and Whiteboard tools.
- Fixed image uploading/adding issue in Notice Board and Whiteboard tools.

### 2.8.44 — 2026-06-05

No release notes.

## More apps by Open Knowledge Association Ltd.

- [RainbowOne](https://appshunter.io/ios/app/rainbowone/id1019429184)
- [Learning Chinese is Fun](https://appshunter.io/ios/app/learning-chinese-is-fun/id1187074030)
- [時事學中文](https://appshunter.io/ios/app/id1239712025)
- [RainbowStar](https://appshunter.io/ios/app/rainbowstar/id1251256553)
- [中華文化讀本](https://appshunter.io/ios/app/id1509997615)
- [i世代親子實驗劇](https://appshunter.io/ios/app/i/id1537748452)

All apps by Open Knowledge Association Ltd.: https://appshunter.io/developer/868011308

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*