# Site Calc Pro vs PDF Encrypt Assisant

The clearest difference is price: Site Calc Pro at Free against PDF Encrypt Assisant's $9.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Site Calc Pro is free to download; PDF Encrypt Assisant costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Site Calc Pro | PDF Encrypt Assisant |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Daily | — |
| Size | 85 MB | 6 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Troy Knight](https://appshunter.io/developer/1419339802) | [乐祥 胡](https://appshunter.io/developer/1572365721) |

## What reviewers say

### Site Calc Pro

[App page](https://appshunter.io/ios/app/site-calc-pro/id6767140419)

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

**In-app purchases:** none


### PDF Encrypt Assisant

[App page](https://appshunter.io/ios/app/pdf-encrypt-assisant/id6768696195)

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

**In-app purchases:** none


## Frequently asked questions

### Is Site Calc Pro free?

Site Calc Pro is free to download, with no in-app purchases.

### Is PDF Encrypt Assisant free?

PDF Encrypt Assisant costs $9.99, with no in-app purchases.

### Do Site Calc Pro or PDF Encrypt Assisant have ads?

Neither Site Calc Pro nor PDF Encrypt Assisant 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.*