# 时空漫游记 vs 知无涯掌上课堂

The clearest difference is in-app purchases: 时空漫游记 at none against 知无涯掌上课堂's 4. 时空漫游记 also leads on device support and iOS requirement (11.0 vs 13.0). On price there is nothing between them.

Both are free to download. 知无涯掌上课堂 sells 4 one-off in-app purchases. 时空漫游记 asks for nothing beyond the download.

## The numbers

| Metric | 时空漫游记 | 知无涯掌上课堂 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Weekly | — |
| Size | 1.2 GB | 21 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [新宇 宋](https://appshunter.io/developer/1148885289) | [Beijing Haoran Yuanda Education Technology Co., Ltd.](https://appshunter.io/developer/957289666) |

## What reviewers say

### 时空漫游记

[App page](https://appshunter.io/ios/app/id1568083493)

**Features:** macOS Compatibility

**In-app purchases:** none


### 知无涯掌上课堂

[App page](https://appshunter.io/ios/app/id6450402705)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2024考研西医临 床医学综合基础精讲班 | $0.99 | one-time |
| 2024考研思想政治理论基础精讲班 | $0.99 | one-time |
| 2024考研英语基础精讲班 | $0.99 | one-time |
| 2024考研中医临床医学综合基础精讲班 | $0.99 | one-time |


## Frequently asked questions

### Is 时空漫游记 free?

时空漫游记 is free to download, with no in-app purchases.

### Is 知无涯掌上课堂 free?

知无涯掌上课堂 is free to download, with in-app purchases available.

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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.*