# CTC配方 vs CAD快速看图

The clearest difference is in-app purchases: CTC配方 at none against CAD快速看图's 3. CTC配方 also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.6). On price and ads there is nothing between them.

Both are free to download. CAD快速看图 sells 3 in-app purchases, starting at $7.99 per 7 days. CTC配方 asks for nothing beyond the download.

## The numbers

| Metric | CTC配方 | CAD快速看图 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 weeks |
| Monetization | — | Freemium |
| Size | 38 MB | 44 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [上海云椒科技有限公司](https://appshunter.io/developer/1649086806) | [Shanghai Ziwei Network Technology Co., Ltd](https://appshunter.io/developer/1787133749) |

## What reviewers say

### CTC配方

[App page](https://appshunter.io/ios/app/ctc/id6471565974)

**Features:** macOS Compatibility

**In-app purchases:** none


### CAD快速看图

[App page](https://appshunter.io/ios/app/cad-dwg/id6756690836)

View, mark up, and share CAD drawings on your mobile device. Supports multiple mainstream CAD formats and offers various templates for different industries. Easily convert files to SVG or PDF for seamless collaboration.

**Highlights:** Supports DWG, DXF, and other CAD formats, View, zoom, pan, and rotate drawings, Markup and annotation tools, Convert CAD to SVG and PDF, Import drawings from local files or social apps, Access to industry-specific CAD templates

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周订阅 | $7.99 | per 7 days |
| 月订阅 | $7.99 | per month |
| 年订阅 | $29.99 | per year |


## Frequently asked questions

### Is CTC配方 free?

CTC配方 is free to download, with no in-app purchases.

### Is CAD快速看图 free?

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

### Do CTC配方 or CAD快速看图 have ads?

Neither CTC配方 nor CAD快速看图 shows ads.

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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.*