# UDF dosya açma vs Catudy

The clearest difference is ads: Catudy at none against UDF dosya açma's shown. Catudy also leads on update cadence (monthly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

UDF dosya açma ships an update every 2 months, Catudy monthly. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | UDF dosya açma | Catudy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Size | 5 MB | 198 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [YASIN VOLKAN KECECECIOGLU](https://appshunter.io/developer/1896754320) | [Yusuf Arca Cicek](https://appshunter.io/developer/6784734191) |

## What reviewers say

### UDF dosya açma

[App page](https://appshunter.io/ios/app/udf-dosya-acma-udf-editor/id6770569447)

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

**In-app purchases:** none


### Catudy

[App page](https://appshunter.io/ios/app/catudy-focus-and-study-timer/id6784734189)

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

**In-app purchases:** none


## Frequently asked questions

### Is UDF dosya açma free?

UDF dosya açma is free to download, with no in-app purchases.

### Is Catudy free?

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

### Do UDF dosya açma or Catudy have ads?

UDF dosya açma shows ads; Catudy does not.

### Which is updated more often, UDF dosya açma or Catudy?

UDF dosya açma ships an update every 2 months, and Catudy monthly. Most recently, UDF dosya açma was updated on October 13, 2026 and Catudy on October 18, 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.*