# 港城云溯 vs 1998课堂教师

The clearest difference is device support: 1998课堂教师 at 3 against 港城云溯's —. 港城云溯's advantage is iOS requirement (9.0 vs 15.6). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | 港城云溯 | 1998课堂教师 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Monthly |
| Size | 33 MB | 100 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zrodo Instrument Technology (Nantong) Ltd.](https://appshunter.io/developer/1327629377) | [南京壹玖玖捌文化传播有限公司](https://appshunter.io/developer/1574142172) |

## What reviewers say

### 港城云溯

[App page](https://appshunter.io/ios/app/id6449453218)

**In-app purchases:** none


### 1998课堂教师

[App page](https://appshunter.io/ios/app/1998/id6476253253)

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

**In-app purchases:** none


## Frequently asked questions

### Is 港城云溯 free?

港城云溯 is free to download, with no in-app purchases.

### Is 1998课堂教师 free?

1998课堂教师 is free to download, with no in-app purchases.

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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.*