# PDF Merger vs Pattern

The clearest difference is update cadence: Pattern at every 3 days against PDF Merger's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Merger sells 3 in-app purchases, starting at $1.99 per 7 days and Pattern sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PDF Merger ships an update every 9 months, Pattern every 3 days. The most recent releases landed on September 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | PDF Merger | Pattern |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 days** |
| Size | 2 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ahmet Bostancklioglu](https://appshunter.io/developer/1780554362) | [Mustafa Ergisi](https://appshunter.io/developer/1829311519) |

## What reviewers say

### PDF Merger

[App page](https://appshunter.io/ios/app/pdf-merger-combine-and-split/id6738798786)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — Weekly | $1.99 | per 7 days |
| Pro — Yearly | $29.99 | per year |
| PDF Merger Lifetime | $59.99 | one-time |


### Pattern

[App page](https://appshunter.io/ios/app/pattern-personal-pattern-ai/id6766061942)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pattern Full Access | $9.99 | one-time |


## Frequently asked questions

### Is PDF Merger free?

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

### Is Pattern free?

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

### Do PDF Merger or Pattern have ads?

Neither PDF Merger nor Pattern shows ads.

### Which is updated more often, PDF Merger or Pattern?

PDF Merger ships an update every 9 months, and Pattern every 3 days. Most recently, PDF Merger was updated on September 19, 2026 and Pattern on September 17, 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.*