# Merge PDF, Split & Unlock vs All Document Reader

The clearest difference is update cadence: All Document Reader at every 3 weeks against Merge PDF, Split & Unlock's every 2 months. All Document Reader also leads on iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Merge PDF, Split & Unlock sells 2 in-app purchases, starting at $6.99 per 7 days and All Document Reader sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Merge PDF, Split & Unlock ships an update every 2 months, All Document Reader every 3 weeks. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Merge PDF, Split & Unlock | All Document Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 15 MB | 84 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Khoa Le Duy](https://appshunter.io/developer/1802619388) | [Ihsan Ahmad](https://appshunter.io/developer/1281244828) |

## What reviewers say

### Merge PDF, Split & Unlock

[App page](https://appshunter.io/ios/app/merge-pdf-split-and-unlock/id6760351341)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $6.99 | per 7 days |
| Yearly Premium | $29.99 | per year |


### All Document Reader

[App page](https://appshunter.io/ios/app/all-document-reader-ai-and-docs/id6766893198)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Monthly | $7.99 | per month |
| Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is Merge PDF, Split & Unlock free?

Merge PDF, Split & Unlock is free to download, with in-app purchases available.

### Is All Document Reader free?

All Document Reader is free to download, with in-app purchases available.

### Do Merge PDF, Split & Unlock or All Document Reader have ads?

Both Merge PDF, Split & Unlock and All Document Reader show ads.

### Which is updated more often, Merge PDF, Split & Unlock or All Document Reader?

Merge PDF, Split & Unlock ships an update every 2 months, and All Document Reader every 3 weeks. Most recently, Merge PDF, Split & Unlock was updated on September 10, 2026 and All Document Reader 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.*