# i上商 vs RainClassroom

The clearest difference is update cadence: RainClassroom at every 2 months against i上商's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

i上商 ships an update every 7 months, RainClassroom every 2 months. The most recent releases landed on September 20, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | i上商 | RainClassroom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.3 (16 ratings)](https://appshunter.io/ios/app/rainclassroom/id1515487012/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 38.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 246 MB | 129 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [上海商学院](https://appshunter.io/developer/1095997521) | [北京慕华信息科技有限公司](https://appshunter.io/developer/911639259) |

## What reviewers say

### i上商

[App page](https://appshunter.io/ios/app/i/id689716111)

**Features:** macOS Compatibility

**In-app purchases:** none


### RainClassroom

[App page](https://appshunter.io/ios/app/rainclassroom/id1515487012)

This app enhances teaching and learning with flexible pre-course resources, integrated quizzes, and innovative teacher-student interaction tools. It provides comprehensive data analysis for every stage of the educational process, supporting both online and offline scenarios.

**Highlights:** Flexible pre-course learning with embedded resources, Integrated PPT quizzes for in-class and out-of-class use, Innovative teacher-student interaction (danmu, contributions), Class bonuses and random roll calls, Panoramic, data-driven teaching analysis, Supports online and offline teaching scenarios

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

**In-app purchases:** none


## Frequently asked questions

### Is i上商 free?

i上商 is free to download, with no in-app purchases.

### Is RainClassroom free?

RainClassroom is free to download, with no in-app purchases.

### Do i上商 or RainClassroom have ads?

Neither i上商 nor RainClassroom shows ads.

### Which is updated more often, i上商 or RainClassroom?

i上商 ships an update every 7 months, and RainClassroom every 2 months. Most recently, i上商 was updated on September 20, 2026 and RainClassroom on September 26, 2026.

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