# BookScan vs AppendX

The clearest difference is iOS requirement: BookScan at 15.1 against AppendX's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. BookScan sells 4 in-app purchases, starting at $4.99 per 7 days and AppendX sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

BookScan ships an update monthly, AppendX every 2 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | BookScan | AppendX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 92 MB | 4 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ISOMEM, Inc.](https://appshunter.io/developer/1677026791) | [Michael Susz](https://appshunter.io/developer/6781391047) |

## 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 |


### AppendX

[App page](https://appshunter.io/ios/app/appendx/id6781391045)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |
| Buy me a burrito | $4.99 | one-time |
| Buy me lunch | $9.99 | one-time |


## Frequently asked questions

### Is BookScan free?

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

### Is AppendX free?

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

### Do BookScan or AppendX have ads?

Neither BookScan nor AppendX shows ads.

### Which is updated more often, BookScan or AppendX?

BookScan ships an update monthly, and AppendX every 2 weeks. Most recently, BookScan was updated on November 5, 2026 and AppendX on November 5, 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.*