# 维易云服务 vs CAD快速看图制图

The clearest difference is in-app purchases: 维易云服务 at none against CAD快速看图制图's 6. 维易云服务 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. CAD快速看图制图 sells 6 one-off in-app purchases. 维易云服务 asks for nothing beyond the download.

维易云服务 ships an update every 4 months, CAD快速看图制图 every 7 months. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 维易云服务 | CAD快速看图制图 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 7 months |
| Size | 77 MB | 34 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [魏伟 刘](https://appshunter.io/developer/1295673109) | [Fingertip Jusheng (Taiyuan) Network Technology Co. LTD](https://appshunter.io/developer/1687910061) |

## What reviewers say

### 维易云服务

[App page](https://appshunter.io/ios/app/id1438845562)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 维易云服务 free?

维易云服务 is free to download, with no in-app purchases.

### 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 维易云服务 or CAD快速看图制图 have ads?

CAD快速看图制图 shows ads; 维易云服务 does not.

### Which is updated more often, 维易云服务 or CAD快速看图制图?

维易云服务 ships an update every 4 months, and CAD快速看图制图 every 7 months. Most recently, 维易云服务 was updated on November 6, 2026 and CAD快速看图制图 on November 8, 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.*