This app helps you understand and master the 'chmod' command by easily deciphering octal values. Choose to click individual bits or select octal values to learn file permissions.



41+ iOS apps curated and reviewed
Out of 41+ chmod util apps on iOS, 16 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | May 2026 | |
| 2 | Free | 5.0★ (1) | No | No | May 2026 | |
| 3 | Free | — | No | No | May 2026 | |
| 4 | $0.99 | 2.0★ (2) | No | No | May 2026 | |
| 5 | Free | 5.0★ (2) | No | Yes | Jul 2026 | |
| 6 | Free | — | No | No | Jul 2026 | |
| 7 | Free | 1.8★ (19) | No | No | Jul 2026 | |
| 8 | Free | 4.3★ (201) | No | Yes | Jul 2026 |





This app helps you understand and master the 'chmod' command by easily deciphering octal values. Choose to click individual bits or select octal values to learn file permissions.








This utility app helps users easily calculate file permissions in both numerical and symbolic formats. It supports advanced permission bits like setuid, setgid, and Sticky.


Master Unix file permissions with this comprehensive learning tool. Practice exam simulations, spaced repetition, and detailed progress tracking to prepare for Linux certifications or server hardening. Supports iPhone, iPad, and Mac with iCloud sync.




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Manage and monitor privileged access activities within your organization. This enterprise solution securely stores and controls user and generic account passwords, offering powerful privileged account security.




This utility allows you to run Linux commands and monitor remote hosts directly from your mobile device. Save custom commands for quick execution, scan log files, and navigate file systems without needing a laptop.


This app provides a streamlined and efficient way to read CHM and TXT documents. It offers features like smart table of contents navigation, full-text search, adjustable font sizes, and night mode for a comfortable reading experience.




This app offers essential transcoding and encoding tools for developers. It supports various hashing algorithms, Base64, URL encoding/decoding, and data format conversions. It also includes helpful reference tables for developers.


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