# Merge all PDFs vs DualTextScanner

The clearest difference is in-app purchases: Merge all PDFs at none against DualTextScanner's 1. DualTextScanner's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. DualTextScanner sells 1 one-off in-app purchase. Merge all PDFs asks for nothing beyond the download.

## The numbers

| Metric | Merge all PDFs | DualTextScanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 months |
| Size | 3 MB | 26 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Riadh Daoued](https://appshunter.io/developer/1605824898) | [AIビジョンテクノロジー株式会社](https://appshunter.io/developer/1826705260) |

## What reviewers say

### Merge all PDFs

[App page](https://appshunter.io/ios/app/merge-all-pdfs/id6745615116)

**Features:** macOS Compatibility

**In-app purchases:** none


### DualTextScanner

[App page](https://appshunter.io/ios/app/dualtextscanner/id6774780922)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DualText Scanner Pro | $2.99 | one-time |


## Frequently asked questions

### Is Merge all PDFs free?

Merge all PDFs is free to download, with no in-app purchases.

### Is DualTextScanner free?

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

### Do Merge all PDFs or DualTextScanner have ads?

Merge all PDFs shows ads; DualTextScanner does not.

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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.*