# CAD看图专业版 vs CAD快速看图制图

The clearest difference is ads: CAD看图专业版 at none against CAD快速看图制图's shown. CAD看图专业版 also leads on update cadence (every 3 months vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. CAD看图专业版 sells 7 in-app purchases, starting at $3.99 per 7 days and CAD快速看图制图 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

CAD看图专业版 ships an update every 3 months, CAD快速看图制图 every 7 months. The most recent releases landed on September 15, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | CAD看图专业版 | CAD快速看图制图 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 7 months |
| Size | 84 MB | 34 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [慧萍 董](https://appshunter.io/developer/1623317709) | [Fingertip Jusheng (Taiyuan) Network Technology Co. LTD](https://appshunter.io/developer/1687910061) |

## What reviewers say

### CAD看图专业版

[App page](https://appshunter.io/ios/app/cad/id1673682466)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周度会员 | $3.99 | per 7 days |
| 周会员 | $3.99 | per 7 days |
| 月度会员 | $6.99 | per month |
| 月会员 | $6.99 | per month |
| 季度会员 | $17.99 | per 3 months |
| 季会员 | $19.99 | per 3 months |
| 年会员 | $29.99 | per year |


### CAD快速看图制图

[App page](https://appshunter.io/ios/app/cad-pdf/id6478941089)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6元特惠体验套餐 | $0.99 | one-time |
| 12元超值优享套餐 | $1.99 | one-time |
| 18元特惠体验套餐 | $2.99 | one-time |
| 28元经济加量套餐 | $3.99 | one-time |
| 订购28元特惠套餐，畅想更体验 | $3.99 | one-time |
| 38元经济加量套餐 | $4.99 | one-time |


## Frequently asked questions

### Is CAD看图专业版 free?

CAD看图专业版 is free to download, with in-app purchases available.

### Is CAD快速看图制图 free?

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

### Do CAD看图专业版 or CAD快速看图制图 have ads?

CAD快速看图制图 shows ads; CAD看图专业版 does not.

### Which is updated more often, CAD看图专业版 or CAD快速看图制图?

CAD看图专业版 ships an update every 3 months, and CAD快速看图制图 every 7 months. Most recently, CAD看图专业版 was updated on September 15, 2026 and CAD快速看图制图 on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*