# 在线互动课堂 vs Quantum Messages

The clearest difference is in-app purchases: 在线互动课堂 at none against Quantum Messages's 1. 在线互动课堂 also leads on iOS requirement (10.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Quantum Messages sells 1 one-off in-app purchase. 在线互动课堂 asks for nothing beyond the download.

## The numbers

| Metric | 在线互动课堂 | Quantum Messages |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id1496938686/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 90 MB | 2 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [XINTUOYUN (BEIJING) TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1239443308) | [嘉胜 陈](https://appshunter.io/developer/1508884749) |

## What reviewers say

### 在线互动课堂

[App page](https://appshunter.io/ios/app/id1496938686)

**In-app purchases:** none


### Quantum Messages

[App page](https://appshunter.io/ios/app/quantum-messages/id6747940707)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $19.99 | one-time |


## Frequently asked questions

### Is 在线互动课堂 free?

在线互动课堂 is free to download, with no in-app purchases.

### Is Quantum Messages free?

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

### Do 在线互动课堂 or Quantum Messages have ads?

Neither 在线互动课堂 nor Quantum Messages shows ads.

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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.*