# AppToPDF vs Ozellar IRT

The clearest difference is update cadence: AppToPDF at every 6 weeks against Ozellar IRT's every 11 months. Ozellar IRT's advantage is iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AppToPDF ships an update every 6 weeks, Ozellar IRT every 11 months. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | AppToPDF | Ozellar IRT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 11 months |
| Size | 187 MB | 61 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Frostcode AB](https://appshunter.io/developer/1588617012) | [MariApps Marine Solutions Pvt. Ltd.](https://appshunter.io/developer/1040404561) |

## What reviewers say

### AppToPDF

[App page](https://appshunter.io/ios/app/apptopdf/id1588617010)

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

**In-app purchases:** none


### Ozellar IRT

[App page](https://appshunter.io/ios/app/ozellar-irt/id6749849567)

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

**In-app purchases:** none


## Frequently asked questions

### Is AppToPDF free?

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

### Is Ozellar IRT free?

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

### Do AppToPDF or Ozellar IRT have ads?

Neither AppToPDF nor Ozellar IRT shows ads.

### Which is updated more often, AppToPDF or Ozellar IRT?

AppToPDF ships an update every 6 weeks, and Ozellar IRT every 11 months. Most recently, AppToPDF was updated on September 22, 2026 and Ozellar IRT on September 10, 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.*