# RainbowOne

> Create interactive e-books and deliver engaging e-lessons with analytics. (iPhone/iPad app by Open Knowledge Association Limited.)

- Source: https://appshunter.io/ios/app/rainbowone/id1019429184 (this page in markdown: same URL + `.md`)
- Developer: [Open Knowledge Association Limited](https://appshunter.io/developer/868011308)
- Category: Education, Utilities
- Price: Free with in-app purchases
- Rating: 4.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 287 MB
- Languages: Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hebrew, Indonesian and 15 more
- Released: 2016-01-22
- Data updated: 2026-06-24
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/rainbowone/id1019429184/reviews.md

## What is RainbowOne?

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.

## Key features

- Innovative e-book editor with 80+ tools
- Cross-platform interactive lessons
- Auto-corrected exercises
- Instant learning data analysis
- Bookstore for sharing and editing e-books
- Class management tools

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 8個金幣 | $0.99 | one-time |
| 48個金幣 | $5.99 | one-time |
| 98個金幣 | $12.99 | one-time |
| 218個金幣 | $27.99 | one-time |
| 368個金幣 | $46.99 | one-time |
| 688個金幣 | $89.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/rainbowone/id1019429184/reviews.md

### 5/5 — It’s fun to study with it

*2024-10-17*

It’s nice

## Frequently asked questions about RainbowOne

### What is RainbowOne's learning methodology?

RainbowOne focuses on student-centered learning by allowing educators to tailor e-books and lessons to individual student needs. It emphasizes interactive engagement through features like competitions, voting, and discussions, supported by data analysis to understand student abilities.

### How does RainbowOne track student progress?

Exercises with pre-set answers are instantly corrected, and learning data is automatically collected and analyzed. This provides educators with insights into student difficulties and overall learning progress.

### Can I get certified using RainbowOne?

The provided description does not mention any certification programs offered through RainbowOne. Its primary function is content creation and lesson delivery for educators.

### What devices does RainbowOne support?

RainbowOne is available on iPhone, iPad, and iPod, indicating strong support for Apple's iOS ecosystem.

### How often is RainbowOne updated?

The latest version is 2.8.41, and the app was last updated on December 31, 2025. This suggests a consistent update schedule, though specific frequency is not detailed.

### What is the age rating for RainbowOne?

RainbowOne has an age rating of 4+, making it suitable for use by young learners and in educational settings for children.

### Does RainbowOne have ads?

No, RainbowOne does not contain advertisements. The app is free to download and use, with optional in-app purchases.

### What are the in-app purchases in RainbowOne?

While the description states the app is free with in-app purchases, specific details about what these purchases entail are not provided. They likely relate to enhanced features or content within the e-book editor or bookstore.

## Version history (last 5 releases)

### 2.8.44 — 2026-06-23

- 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.

### 2.8.41 — 2025-12-31

- Added custom question feature to the AI assistant
- Fixed response behavior in dual-page mode
- Fixed issue where images couldn’t be deleted in the image selection question component
- Fixed issue in the image selection question component where, when using custom positioning, randomized answers only shuffled option labels but not the actual options
- Fixed printing issue where the timer component prevented further printing
- Fixed various other component functionality issues

### 2.8.39 — 2025-11-14

- Fixed an issue where teachers couldn't replay student e-pen answers during grading
- Fixed an issue where background images in some e-books failed to display
- Fixed an issue preventing users from re-viewing good work recordings
- Fixed an issue where content could disappear when editing popup note components
- Fixed functional errors in other components

### 2.8.38 — 2025-08-23

- Manually adjust scores for auto-graded questions
- Added multi-page recalculation of scores
- Transparent MC components support custom icons
- Fixed issues where certain game components were not functioning
- Fixed functionality of drag-and-drop (one-to-one) component

### 2.8.37 — 2025-07-16

- Add a "Clear Cache" button on the home screen.
- Automatically re-download data when cached data is corrupted.
- Add a setting to prevent viewing data from being stored in local cache.
- Fix image component issues to improve clarity.
- Add an attachment component.
- Add Two-Page Reading Mode.
- Other bug fix

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

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*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 2026-06-24.*