# UMU vs RainClassroom

The clearest difference is rating: UMU at 4.9 against RainClassroom's 1.3. UMU also leads on review sentiment (57% vs 39%) and update cadence (fortnightly vs every 2 months). RainClassroom's advantage is in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. UMU sells 1 one-off in-app purchase. RainClassroom asks for nothing beyond the download.

UMU holds the better App Store score, 4.9 against 1.3. That said, the two scores are not equally well evidenced: UMU has 156 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 57% of UMU's written reviews are positive against 39% of RainClassroom's.

UMU ships an update fortnightly, RainClassroom every 2 months. The most recent releases landed on September 2, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | UMU | RainClassroom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (156 ratings)](https://appshunter.io/ios/app/umu/id1000568073/reviews)** | [1.3 (16 ratings)](https://appshunter.io/ios/app/rainclassroom/id1515487012/reviews) |
| Number of ratings | **156** | 16 |
| Positive reviews | **57.1% of reviews** | 38.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 227 MB | 129 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UMU Technology Co., Limited](https://appshunter.io/developer/1257604199) | [北京慕华信息科技有限公司](https://appshunter.io/developer/911639259) |

## What reviewers say

### UMU

[App page](https://appshunter.io/ios/app/umu/id1000568073)

Transform audience feedback into actionable data with interactive visuals. Participants engage through any mobile browser without downloads or registration, making trainings insightful and fun. Capture valuable information from Q&A, quizzes, and surveys.

**Highlights:** Instant audience feedback visualization, Interactive Q&A, quizzes, and surveys, No download or registration required, Mobile-friendly engagement, Data capture from training sessions

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-year Premium | $999.99 | one-time |


### 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 UMU free?

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

### Is RainClassroom free?

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

### Which has better reviews, UMU or RainClassroom?

UMU is rated higher. UMU averages 4.9 out of 5 from 156 ratings, while RainClassroom averages 1.3 from 16 ratings.

### Do UMU or RainClassroom have ads?

Neither UMU nor RainClassroom shows ads.

### Which is updated more often, UMU or RainClassroom?

UMU ships an update fortnightly, and RainClassroom every 2 months. Most recently, UMU was updated on September 2, 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.*