# PDF Compressor vs AI Notes

The clearest difference is iOS requirement: PDF Compressor at 16.0 against AI Notes's 18. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Compressor sells 3 in-app purchases, starting at $6.99 per 7 days and AI Notes sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | PDF Compressor | AI Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 24 MB | 36 MB |
| Requires iOS | **16.0** | 18 |
| Devices | **iPhone, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stellan Vane](https://appshunter.io/developer/1886632132) | [RAMUNAS JUNDULAS](https://appshunter.io/developer/1889470767) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-compress-files/id6760887640)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Monthly | $19.99 | per month |
| Yearly | $49.99 | per year |


### AI Notes

[App page](https://appshunter.io/ios/app/ai-notes-voice-recorder/id6761413335)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Noter Pro | $7.99 | per 7 days |
| Smart Noter Pro | $39.99 | per year |


## Frequently asked questions

### Is PDF Compressor free?

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

### Is AI Notes free?

AI Notes is free to download, with in-app purchases available.

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

Neither PDF Compressor nor AI Notes 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.*