# PdfToolBox vs Offline PDF Merge

The clearest difference is ads: PdfToolBox at none against Offline PDF Merge's shown. PdfToolBox also leads on update cadence (every 4 days vs monthly) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PdfToolBox ships an update every 4 days, Offline PDF Merge monthly. Both last shipped on October 28, 2026.

## The numbers

| Metric | PdfToolBox | Offline PDF Merge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Monthly |
| Size | 5 MB | 11 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hidayet Balin](https://appshunter.io/developer/1861412496) | [Scriptstash Limited](https://appshunter.io/developer/1844753507) |

## What reviewers say

### PdfToolBox

[App page](https://appshunter.io/ios/app/pdftoolbox/id6756569800)

**Features:** macOS Compatibility

**In-app purchases:** none


### Offline PDF Merge

[App page](https://appshunter.io/ios/app/offline-pdf-merge/id6756957998)

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

**In-app purchases:** none


## Frequently asked questions

### Is PdfToolBox free?

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

### Is Offline PDF Merge free?

Offline PDF Merge is free to download, with no in-app purchases.

### Do PdfToolBox or Offline PDF Merge have ads?

Offline PDF Merge shows ads; PdfToolBox does not.

### Which is updated more often, PdfToolBox or Offline PDF Merge?

PdfToolBox ships an update every 4 days, and Offline PDF Merge monthly. Most recently, PdfToolBox was updated on October 28, 2026 and Offline PDF Merge on October 28, 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.*