# CAD快速看图 vs 3D看图

The clearest difference is in-app purchases: 3D看图 at none against CAD快速看图's 3. 3D看图 also leads on iOS requirement (13 vs 17.6). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. CAD快速看图 sells 3 in-app purchases, starting at $7.99 per 7 days. 3D看图 asks for nothing beyond the download.

CAD快速看图 ships an update every 4 weeks, 3D看图 every 3 weeks. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CAD快速看图 | 3D看图 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/3d-3d/id6770898294/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Freemium | **Free** |
| Size | 44 MB | 57 MB |
| Requires iOS | 17.6 | **13** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Ziwei Network Technology Co., Ltd](https://appshunter.io/developer/1787133749) | [文华 宁](https://appshunter.io/developer/1740866281) |

## What reviewers say

### CAD快速看图

[App page](https://appshunter.io/ios/app/cad-dwg/id6756690836)

View, mark up, and share CAD drawings on your mobile device. Supports multiple mainstream CAD formats and offers various templates for different industries. Easily convert files to SVG or PDF for seamless collaboration.

**Highlights:** Supports DWG, DXF, and other CAD formats, View, zoom, pan, and rotate drawings, Markup and annotation tools, Convert CAD to SVG and PDF, Import drawings from local files or social apps, Access to industry-specific CAD templates

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周订阅 | $7.99 | per 7 days |
| 月订阅 | $7.99 | per month |
| 年订阅 | $29.99 | per year |


### 3D看图

[App page](https://appshunter.io/ios/app/3d-3d/id6770898294)

This app allows users to quickly view and edit 3D models and 2D drawings on mobile devices. It supports over 40 mainstream 3D and 2D drawing formats, offering tools for collaboration and communication.

**Highlights:** View 3D models and 2D drawings, Supports over 40 formats, Edit 3D drawings, Collaboration tools, Measurement and annotation features, Cloud sharing capabilities

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

**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 3D看图 free?

3D看图 is free to download, with no in-app purchases.

### Do CAD快速看图 or 3D看图 have ads?

Neither CAD快速看图 nor 3D看图 shows ads.

### Which is updated more often, CAD快速看图 or 3D看图?

CAD快速看图 ships an update every 4 weeks, and 3D看图 every 3 weeks. Most recently, CAD快速看图 was updated on October 19, 2026 and 3D看图 on October 8, 2026.

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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.*