# Gerber Viewer vs 摄影计算器

The clearest difference is price: Gerber Viewer at Free against 摄影计算器's $2.99. Gerber Viewer also leads on iOS requirement (12.0 vs 18.0). 摄影计算器's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

Gerber Viewer is free to download; 摄影计算器 costs $2.99 up front. Gerber Viewer sells 3 in-app purchases, starting at $2.99 per 7 days. 摄影计算器 asks for nothing beyond the download.

## The numbers

| Metric | Gerber Viewer | 摄影计算器 |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 4 weeks |
| Size | 49 MB | 4 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [CODIGITAL SOLUTIONS](https://appshunter.io/developer/1829802387) | [云鹏 张](https://appshunter.io/developer/6791523739) |

## What reviewers say

### Gerber Viewer

[App page](https://appshunter.io/ios/app/gerber-viewer-open-pcb/id6791391835)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access | $2.99 | per 7 days |
| Pro Access | $4.99 | per month |
| Pro Access | $19.99 | per year |


### 摄影计算器

[App page](https://appshunter.io/ios/app/id6796646343)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gerber Viewer free?

Gerber Viewer is free to download, with in-app purchases available.

### Is 摄影计算器 free?

摄影计算器 costs $2.99, with no in-app purchases.

### Do Gerber Viewer or 摄影计算器 have ads?

Neither Gerber Viewer nor 摄影计算器 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.*