# PDF Studio vs fork ai

The clearest difference is ads: fork ai at none against PDF Studio's shown. PDF Studio's advantage is update cadence (every 2 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Studio sells 2 in-app purchases, starting at $2.99 per month and fork ai sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

PDF Studio ships an update every 2 weeks, fork ai every 2 months. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PDF Studio | fork ai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 94 MB | 3 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Edip Yılmaz](https://appshunter.io/developer/1832677947) | [Gokul Madathupalyam Chinnappan](https://appshunter.io/developer/6792602826) |

## What reviewers say

### 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 |


### fork ai

[App page](https://appshunter.io/ios/app/fork-ai-pdf-to-mind-map/id6792602824)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $5 Credit | $6.99 | one-time |
| $10 Credit | $13.99 | one-time |


## Frequently asked questions

### Is PDF Studio free?

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

### Is fork ai free?

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

### Do PDF Studio or fork ai have ads?

PDF Studio shows ads; fork ai does not.

### Which is updated more often, PDF Studio or fork ai?

PDF Studio ships an update every 2 weeks, and fork ai every 2 months. Most recently, PDF Studio was updated on October 12, 2026 and fork ai on October 9, 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.*