# 图纸通 vs 商家宝

The clearest difference is in-app purchases: 商家宝 at none against 图纸通's 6. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 图纸通 sells 6 in-app purchases, starting at $3.99 per month. 商家宝 asks for nothing beyond the download.

图纸通 ships an update every 2 months, 商家宝 every 5 weeks. The most recent releases landed on November 6, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 图纸通 | 商家宝 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 87.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Freemium | — |
| Size | 50 MB | 66 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hangzhou NewDimension Systems Co., Ltd.](https://appshunter.io/developer/1058778896) | [贵州一起搞科技有限公司](https://appshunter.io/developer/1595853289) |

## 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 (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $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 |
| 免费试用+包年VIP | $30.99 | per year |
| 免费试用+包年VIP | $39.99 | per year |
| 图纸通VIP终身会员 | $69.99 | one-time |


### 商家宝

[App page](https://appshunter.io/ios/app/id6499101300)

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

**In-app purchases:** none


## Frequently asked questions

### Is 图纸通 free?

图纸通 is free to download, with in-app purchases available.

### Is 商家宝 free?

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

### Do 图纸通 or 商家宝 have ads?

Neither 图纸通 nor 商家宝 shows ads.

### Which is updated more often, 图纸通 or 商家宝?

图纸通 ships an update every 2 months, and 商家宝 every 5 weeks. Most recently, 图纸通 was updated on November 6, 2026 and 商家宝 on October 27, 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.*