# GBS vs Protect PDF

The clearest difference is in-app purchases: GBS at none against Protect PDF's 1. GBS also leads on iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Protect PDF sells 1 one-off in-app purchase. GBS asks for nothing beyond the download.

## The numbers

| Metric | GBS | Protect PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | — |
| Size | 66 MB | 16 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Global Building Technology Pty Ltd](https://appshunter.io/developer/1738150045) | [Antonio Gonzalez de la aleja german](https://appshunter.io/developer/1839645711) |

## What reviewers say

### GBS

[App page](https://appshunter.io/ios/app/gbs-aec/id6480092797)

**Features:** macOS Compatibility

**In-app purchases:** none


### Protect PDF

[App page](https://appshunter.io/ios/app/protect-pdf-password-lock/id6771690647)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is GBS free?

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

### Is Protect PDF free?

Protect PDF is free to download, with in-app purchases available.

### Do GBS or Protect PDF have ads?

Neither GBS nor Protect PDF 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.*