# eClass Teacher App vs RainbowOne

The clearest difference is review sentiment: RainbowOne at 100% against eClass Teacher App's 7%. RainbowOne also leads on iOS requirement (12.0 vs 15.0). eClass Teacher App's advantage is in-app purchases (none vs 6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RainbowOne sells 6 one-off in-app purchases. eClass Teacher App asks for nothing beyond the download.

eClass Teacher App ships an update every 3 weeks, RainbowOne every 2 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | eClass Teacher App | RainbowOne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/rainbowone/id1019429184/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 6.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 96 MB | 287 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [eClass Limited](https://appshunter.io/developer/1683448274) | [Open Knowledge Association Ltd.](https://appshunter.io/developer/868011308) |

## What reviewers say

### eClass Teacher App

[App page](https://appshunter.io/ios/app/eclass-teacher-app/id909573324)

This app helps educators manage student records, track attendance, assign homework, and monitor discipline. It also facilitates communication with parents and colleagues, and supports school administration tasks like inventory and booking.

**Highlights:** Student attendance tracking, Homework assignment and upload, Discipline and performance monitoring, School notice and circular management, Room and item booking, Group messaging with parents and colleagues, Access to school email and calendar

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### RainbowOne

[App page](https://appshunter.io/ios/app/rainbowone/id1019429184)

Create and deliver interactive e-learning materials with a powerful e-book editor. Engage students through cross-platform lessons, auto-corrected exercises, and instant learning data analysis. Share and discover educational content in a dedicated bookstore.

**Highlights:** 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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 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 |


## Frequently asked questions

### Is eClass Teacher App free?

eClass Teacher App is free to download, with no in-app purchases.

### Is RainbowOne free?

RainbowOne is free to download, with in-app purchases available.

### Do eClass Teacher App or RainbowOne have ads?

Neither eClass Teacher App nor RainbowOne shows ads.

### Which is updated more often, eClass Teacher App or RainbowOne?

eClass Teacher App ships an update every 3 weeks, and RainbowOne every 2 months. Most recently, eClass Teacher App was updated on November 1, 2026 and RainbowOne on November 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*