# OrhunAI vs FastPDF

The clearest difference is in-app purchases: OrhunAI at none against FastPDF's 2. OrhunAI also leads on ads (none vs shown). FastPDF's advantage is iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

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

## The numbers

| Metric | OrhunAI | FastPDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 days |
| Size | 3 MB | 46 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cagil Durgun](https://appshunter.io/developer/1846098767) | [Serhat Ak](https://appshunter.io/developer/6776268415) |

## What reviewers say

### OrhunAI

[App page](https://appshunter.io/ios/app/orhunai/id6756611754)

**Features:** macOS Compatibility

**In-app purchases:** none


### FastPDF

[App page](https://appshunter.io/ios/app/fastpdf-pdf-editor-and-reader/id6783044563)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastPDF Premium — Monthly | $2.99 | per month |
| FastPDF Premium — Yearly | $19.99 | per year |


## Frequently asked questions

### Is OrhunAI free?

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

### Is FastPDF free?

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

### Do OrhunAI or FastPDF have ads?

FastPDF shows ads; OrhunAI does not.

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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.*