# chmod-fu

> Utility app for learning and deciphering chmod command octal values. (iPhone/iPad app by Red Shark AB.)

- Source: https://appshunter.io/ios/app/chmod-fu/id927838132 (this page in markdown: same URL + `.md`)
- Developer: [Red Shark AB](https://appshunter.io/developer/927838131)
- Category: Utilities, Reference
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.2 · 10 MB
- Languages: American English
- Released: 2014-10-15
- Data updated: 2026-06-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/chmod-fu/id927838132/reviews.md

## What is chmod?

Ever been curios about what those numbers means in a chmod command?

Well, wonder no more! Learn and master the art of chmod-fu.

With chmod-fu's super easy to use user-interface you can decipher those octal values in a blink of an eye. You choose if you want to click on individual bits, such as read, write, execute, or pick an octal value, both are available to suite your preference.

## Key features

- Decipher octal values
- Learn file permissions
- User-friendly interface
- Click individual bits
- Select octal values

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/chmod-fu/id927838132/reviews.md

### 4/5 — Good, just needs dark mode support

*2021-11-25*

Good, just needs dark mode support

## Frequently asked questions about chmod

### What is chmod-fu?

chmod-fu is a free utility app designed to help users learn and understand the 'chmod' command, which is used for setting file permissions in Unix-like operating systems. It offers an easy-to-use interface for deciphering octal values.

### How does chmod-fu help me learn chmod?

chmod-fu allows you to learn file permissions by either clicking on individual bits (read, write, execute) or by selecting an octal value. This interactive approach makes understanding the 'chmod' command more accessible.

### Is chmod-fu free to use?

Yes, chmod-fu is completely free to download and use. It does not feature in-app purchases or advertisements.

### What devices is chmod-fu available on?

chmod-fu is available for iPhone, iPad, and iPod devices, making it accessible for users within the Apple ecosystem.

### What is the age rating for chmod-fu?

chmod-fu has an age rating of 4+, indicating it is suitable for a very broad audience with no mature content.

### How often is chmod-fu updated?

chmod-fu was last updated on September 3, 2015, with version 1.2. While it has not received recent updates, its core functionality remains relevant for its purpose.

### Does chmod-fu have ads?

No, chmod-fu is ad-free, providing an uninterrupted learning experience for users interested in mastering the 'chmod' command.

### What is the user sentiment for chmod-fu based on ratings?

Based on the available rating, chmod-fu has received a perfect 5.0 stars from one rating, suggesting a highly positive user experience for its initial reviewers.

## Version history (last 3 releases)

### 1.2 — 2015-09-03

This app has been updated by Apple to display the Apple Watch app icon.

Now with Apple Watch support!

### 1.1 — 2014-11-03

* Pressing the 'share' button now includes an action 'Show chmod'. Selecting this action should popup a dialog presenting the current chmod value.

* Restores the last chmod when restarting the application.

### 1.0 — 2014-10-12

No release notes.

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## More apps by Red Shark AB

- [Vatify](https://appshunter.io/ios/app/vatify/id1109740465)

All apps by Red Shark AB: https://appshunter.io/developer/927838131

## Related topics

[chmod util](https://appshunter.io/ios/topics/chmod-util)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*