# Offline PDF Merge vs RetroDotTimer

The clearest difference is in-app purchases: Offline PDF Merge at none against RetroDotTimer's 1. RetroDotTimer's advantage is ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. RetroDotTimer sells 1 one-off in-app purchase. Offline PDF Merge asks for nothing beyond the download.

Offline PDF Merge ships an update monthly, RetroDotTimer every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Offline PDF Merge | RetroDotTimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 11 MB | 7 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Scriptstash Limited](https://appshunter.io/developer/1844753507) | [Andean Bear Studios GmbH](https://appshunter.io/developer/1852873091) |

## What reviewers say

### Offline PDF Merge

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

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

**In-app purchases:** none


### RetroDotTimer

[App page](https://appshunter.io/ios/app/retrodottimer/id6761271003)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RetroDotTimer Pro | $4.99 | one-time |


## Frequently asked questions

### Is Offline PDF Merge free?

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

### Is RetroDotTimer free?

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

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

Offline PDF Merge shows ads; RetroDotTimer does not.

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

Offline PDF Merge ships an update monthly, and RetroDotTimer every 3 weeks. Most recently, Offline PDF Merge was updated on October 24, 2026 and RetroDotTimer on October 25, 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.*