# PDF Prime vs PDF Studio

The clearest difference is in-app purchases: PDF Prime at none against PDF Studio's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Studio sells 2 in-app purchases, starting at $2.99 per month. PDF Prime asks for nothing beyond the download.

PDF Prime ships an update fortnightly, PDF Studio every 2 weeks. The most recent releases landed on September 30, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PDF Prime | PDF Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 17 MB | 94 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Art Fate E-Commerce Limited](https://appshunter.io/developer/1744856799) | [Edip Yılmaz](https://appshunter.io/developer/1832677947) |

## What reviewers say

### PDF Prime

[App page](https://appshunter.io/ios/app/pdf-prime/id6667100922)

**In-app purchases:** none


### PDF Studio

[App page](https://appshunter.io/ios/app/pdf-studio-editor-and-reader/id6785958834)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $2.99 | per month |
| Yearly Pro | $19.99 | per year |


## Frequently asked questions

### Is PDF Prime free?

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

### Is PDF Studio free?

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

### Do PDF Prime or PDF Studio have ads?

Both PDF Prime and PDF Studio show ads.

### Which is updated more often, PDF Prime or PDF Studio?

PDF Prime ships an update fortnightly, and PDF Studio every 2 weeks. Most recently, PDF Prime was updated on September 30, 2026 and PDF Studio on October 12, 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.*