# QuickNotes Recall vs PDF2Audio

The clearest difference is in-app purchases: QuickNotes Recall at none against PDF2Audio's 7. QuickNotes Recall also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF2Audio sells 7 in-app purchases, starting at $9.99 per month. QuickNotes Recall asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | QuickNotes Recall | PDF2Audio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 25 MB | 9 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Ryan Bair](https://appshunter.io/developer/1830548753) | [Shaozhuang Chen](https://appshunter.io/developer/1692461668) |

## What reviewers say

### QuickNotes Recall

[App page](https://appshunter.io/ios/app/quicknotes-recall/id6760157700)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF2Audio

[App page](https://appshunter.io/ios/app/pdf2audio-read-pdfs-aloud/id6762536249)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $9.99 | per month |
| Pro Users | $59.99 | per month |
| Basic Plan | $79.99 | per year |
| Pro Users | $499.99 | per year |
| 100,000 characters | $4.99 | one-time |
| 300,000 characters | $12.99 | one-time |
| 1,000,000 characters | $34.99 | one-time |


## Frequently asked questions

### Is QuickNotes Recall free?

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

### Is PDF2Audio free?

PDF2Audio is free to download, with in-app purchases available.

### Do QuickNotes Recall or PDF2Audio have ads?

Neither QuickNotes Recall nor PDF2Audio shows ads.

### Which is updated more often, QuickNotes Recall or PDF2Audio?

QuickNotes Recall ships an update every 3 months, and PDF2Audio every 3 months. Most recently, QuickNotes Recall was updated on October 25, 2026 and PDF2Audio on October 31, 2026.

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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.*