# 思联三维看图 vs CAD快速看图

The clearest difference is update cadence: CAD快速看图 at every 4 weeks against 思联三维看图's every 2 months. 思联三维看图's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. 思联三维看图 sells 10 in-app purchases, starting at $3.99 per month and CAD快速看图 sells 3 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

思联三维看图 ships an update every 2 months, CAD快速看图 every 4 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 思联三维看图 | CAD快速看图 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/cad/id1517538948/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 110 MB | 44 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nanjing Wiss Software Co., Ltd.](https://appshunter.io/developer/1517538947) | [Shanghai Ziwei Network Technology Co., Ltd](https://appshunter.io/developer/1787133749) |

## What reviewers say

### 思联三维看图

[App page](https://appshunter.io/ios/app/cad/id1517538948)

View and share 3D models and 2D drawings on your mobile device without needing CAD software. Offers features like 3D measurement, model decomposition, and cross-platform data synchronization for collaborative projects.

**Highlights:** Lightweight 3D model browsing, Supports multiple 3D and 2D file formats, Online 3D model format conversion, Encrypted sharing with time limits, Project collaborative office features, Cross-platform data synchronization

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $3.99 | per month |
| 半年卡 | $19.99 | per 6 months |
| 50G存储空间连续包年服务 | $39.99 | per year |
| 100G空间连续包年服务 | $69.99 | per year |
| 200G空间连续包年服务 | $99.99 | per year |
| 季度VIP | $9.99 | one-time |
| 一年VIP | $29.99 | one-time |
| 3人团一年VIP | $79.99 | one-time |
| 5人团 | $129.99 | one-time |
| 10人团 | $249.99 | one-time |


### 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 |


## Frequently asked questions

### Is 思联三维看图 free?

思联三维看图 is free to download, with in-app purchases available.

### Is CAD快速看图 free?

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

### Do 思联三维看图 or CAD快速看图 have ads?

Neither 思联三维看图 nor CAD快速看图 shows ads.

### Which is updated more often, 思联三维看图 or CAD快速看图?

思联三维看图 ships an update every 2 months, and CAD快速看图 every 4 weeks. Most recently, 思联三维看图 was updated on November 3, 2026 and CAD快速看图 on October 30, 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.*