# BookScan vs PDF Reader

The clearest difference is update cadence: BookScan at monthly against PDF Reader's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BookScan sells 4 in-app purchases, starting at $4.99 per 7 days and PDF Reader sells 6 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

BookScan ships an update monthly, PDF Reader every 3 months. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | BookScan | PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 92 MB | 36 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ISOMEM, Inc.](https://appshunter.io/developer/1677026791) | [KTC Technology](https://appshunter.io/developer/1888724049) |

## What reviewers say

### BookScan

[App page](https://appshunter.io/ios/app/bookscan-digitize-and-ocr-docs/id6751296946)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $4.99 | per 7 days |
| Unlimited Access | $4.99 | per 7 days |
| Unlimited Access | $29.99 | per year |
| Unlimited Access | $29.99 | per year |


### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-text-to-speech/id6763692217)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Standard | $2.99 | per 7 days |
| Weekly Pro | $6.99 | per 7 days |
| Monthly Standard | $8.99 | per month |
| Monthly Pro | $19.99 | per month |
| Annual Standard | $71.99 | per year |
| Annual Pro | $159.99 | per year |


## Frequently asked questions

### Is BookScan free?

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

### Is PDF Reader free?

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

### Do BookScan or PDF Reader have ads?

Neither BookScan nor PDF Reader shows ads.

### Which is updated more often, BookScan or PDF Reader?

BookScan ships an update monthly, and PDF Reader every 3 months. Most recently, BookScan was updated on October 13, 2026 and PDF Reader on October 19, 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.*