# Secret Notes vs PDF Compressor

The clearest difference is in-app purchases: Secret Notes at none against PDF Compressor's 1. On price, ads, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Secret Notes | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 4 months |
| Size | 24 MB | 50 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SEOKWON YANG](https://appshunter.io/developer/1863325487) | [STE DIGI VIBES](https://appshunter.io/developer/1769242851) |

## What reviewers say

### Secret Notes

[App page](https://appshunter.io/ios/app/secret-notes-slox/id6778077427)

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

**In-app purchases:** none


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-merge-and-scan/id6782072361)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Secret Notes free?

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

### Is PDF Compressor free?

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

### Do Secret Notes or PDF Compressor have ads?

Both Secret Notes and PDF Compressor show 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.*