# Typhon vs 卷尺测量仪

The clearest difference is in-app purchases: Typhon at none against 卷尺测量仪's 3. Typhon also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price and ads there is nothing between them.

Both are free to download. 卷尺测量仪 sells 3 one-off in-app purchases. Typhon asks for nothing beyond the download.

## The numbers

| Metric | Typhon | 卷尺测量仪 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Size | 1 MB | 18 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RR Donnelley China Holding Co., Ltd.](https://appshunter.io/developer/1424208546) | [Shenzhen Chuyue Technology Co.,Ltd](https://appshunter.io/developer/1562971471) |

## What reviewers say

### Typhon

[App page](https://appshunter.io/ios/app/typhon/id1570770252)

**In-app purchases:** none


### 卷尺测量仪

[App page](https://appshunter.io/ios/app/ar-and/id6752848919)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 测量月卡 | $2.99 | one-time |
| 季卡 | $6.99 | one-time |
| 年卡 | $29.99 | one-time |


## Frequently asked questions

### Is Typhon free?

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

### Is 卷尺测量仪 free?

卷尺测量仪 is free to download, with in-app purchases available.

### Do Typhon or 卷尺测量仪 have ads?

Neither Typhon nor 卷尺测量仪 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.*