# 图纸通 vs CAD快速看图

The clearest difference is review sentiment: 图纸通 at 87% against CAD快速看图's 20%. 图纸通 also leads on iOS requirement (11.0 vs 15.0). CAD快速看图's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 图纸通 sells 12 in-app purchases, starting at $3.99 per month and CAD快速看图 sells 4 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

图纸通 ships an update every 2 months, CAD快速看图 every 3 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 图纸通 | CAD快速看图 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **87.1% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 50 MB | 42 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou NewDimension Systems Co., Ltd.](https://appshunter.io/developer/1058778896) | [波 张](https://appshunter.io/developer/1726107240) |

## What reviewers say

### 图纸通

[App page](https://appshunter.io/ios/app/cad/id1410631637)

View, share, and collaborate on 3D models and CAD drawings on your mobile device. Supports over 40 file formats and offers annotation, measurement, and project management tools for technical communication.

**Highlights:** View 40+ 3D model and CAD drawing formats, Annotate and comment on drawings, Measure dimensions, area, volume, and weight, Securely share drawings with password protection, Cloud storage and management for drawings, Project collaboration with team members, Cross-platform access (mobile, web, PC)

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $3.99 | per month |
| 特惠包月VIP | $3.99 | per month |
| 连续包季 | $12.99 | per 3 months |
| 免费试用+包季VIP | $12.99 | per 3 months |
| 图纸通包年VIP | $29.99 | per year |
| 免费试用+包年VIP | $30.99 | per year |
| 首月特惠包年 | $39.99 | per year |
| 免费试用+包年VIP | $39.99 | per year |
| 图纸通VIP15个月 | $29.99 | one-time |
| 图纸通VIP48个月 | $49.99 | one-time |
| 终身VIP新人特惠 | $59.99 | one-time |
| 图纸通VIP终身会员 | $69.99 | one-time |


### CAD快速看图

[App page](https://appshunter.io/ios/app/cad-pdf/id6751618696)

This app provides a comprehensive mobile toolkit for CAD users, offering fast viewing, precise measurement, and seamless conversion of various drawing formats. It supports cloud collaboration and offline access, making it ideal for on-site work, design reviews, and study.

**Highlights:** Fast DWG/DXF viewing, Precise measurement tools, 2D/3D drawing detail, Cloud collaboration, Offline access, PDF conversion

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DWG | $9.99 | per 7 days |
| DWG | $14.99 | per month |
| DWG | $19.99 | per 3 months |
| DWG | $29.99 | per year |


## Frequently asked questions

### Is 图纸通 free?

图纸通 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 图纸通 or CAD快速看图 have ads?

Neither 图纸通 nor CAD快速看图 shows ads.

### Which is updated more often, 图纸通 or CAD快速看图?

图纸通 ships an update every 2 months, and CAD快速看图 every 3 weeks. Most recently, 图纸通 was updated on October 26, 2026 and CAD快速看图 on October 25, 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.*