# 图纸通 vs TDS云智慧系统

The clearest difference is in-app purchases: TDS云智慧系统 at none against 图纸通's 12. TDS云智慧系统 also leads on update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 图纸通 sells 12 in-app purchases, starting at $3.99 per month. TDS云智慧系统 asks for nothing beyond the download.

图纸通 ships an update every 2 months, TDS云智慧系统 every 2 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 图纸通 | TDS云智慧系统 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 87.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Freemium | — |
| Size | 50 MB | 4 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou NewDimension Systems Co., Ltd.](https://appshunter.io/developer/1058778896) | [Jiangsu Modern Electric Technology Co., Ltd.](https://appshunter.io/developer/905150679) |

## 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 |


### TDS云智慧系统

[App page](https://appshunter.io/ios/app/tds/id1591197029)

**Features:** macOS Compatibility

**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 TDS云智慧系统 free?

TDS云智慧系统 is free to download, with no in-app purchases.

### Do 图纸通 or TDS云智慧系统 have ads?

Neither 图纸通 nor TDS云智慧系统 shows ads.

### Which is updated more often, 图纸通 or TDS云智慧系统?

图纸通 ships an update every 2 months, and TDS云智慧系统 every 2 weeks. Most recently, 图纸通 was updated on October 29, 2026 and TDS云智慧系统 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.*