# CAD快速看图 vs 杏昀知行

The clearest difference is in-app purchases: 杏昀知行 at none against CAD快速看图's 4. 杏昀知行 also leads on iOS requirement (12.0 vs 16.0). On price there is nothing between them.

Both are free to download. CAD快速看图 sells 4 in-app purchases, starting at $3.99 per 7 days. 杏昀知行 asks for nothing beyond the download.

## The numbers

| Metric | CAD快速看图 | 杏昀知行 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 69 MB | 107 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 12+ |
| Developer | [亮 杨](https://appshunter.io/developer/1561901859) | [Xingyun Zhixing (Chengdu) Health Technology Co., Ltd](https://appshunter.io/developer/1656747427) |

## What reviewers say

### CAD快速看图

[App page](https://appshunter.io/ios/app/cad-dwg/id1565471939)

This app provides a suite of tools for the construction industry, enabling users to view CAD files, perform measurements, scan documents, and access engineering resources. It offers features for project tracking, calculations, and file conversion, all within a mobile interface.

**Highlights:** DWG file import and viewing, Engineering measurement tools, Project progress camera, Document scanning to PDF, Engineering calculator, AR indoor scanning and modeling, File conversion tools

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CAD看图包周会员 | $3.99 | per 7 days |
| CAD手机版包月会员 | $6.99 | per month |
| CAD手机版半年会员 | $19.99 | per 6 months |
| CAD手机版包年会员 | $29.99 | per year |


### 杏昀知行

[App page](https://appshunter.io/ios/app/id6444776163)

**In-app purchases:** none


## Frequently asked questions

### Is CAD快速看图 free?

CAD快速看图 is free to download, with in-app purchases available.

### Is 杏昀知行 free?

杏昀知行 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.*