Learn essential Linux commands and concepts through an interactive, gamified mobile experience. Gain practical, day-to-day knowledge and discover useful tips presented in a fun and engaging format.






7+ iOS apps curated and reviewed
Linux Basics is the household name in file permissions app, but it's far from the only option. We track 7+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.4★ (50) | No | No | Jul 2026 | |
| 2 | Free | 5.0★ (6) | No | No | Aug 2026 | |
| 3 | Free | 5.0★ (5) | No | No | Jul 2026 | |
| 4 | Free | 5.0★ (1) | No | No | May 2026 | |
| 5 | Free | 5.0★ (1) | No | Yes | Jul 2026 | |
| 6 | $0.99 | 2.0★ (2) | No | No | May 2026 | |
| 7 | Free | — | Yes | Yes | May 2026 |






Learn essential Linux commands and concepts through an interactive, gamified mobile experience. Gain practical, day-to-day knowledge and discover useful tips presented in a fun and engaging format.




Securely share any file with granular permissions and enterprise-grade protection. This platform allows you to control access, set expiration dates, and even configure how AI can interact with your documents, all without the developer ever seeing your files.






This secure messaging app connects employees and customers for enterprise communication. It handles inquiries from multiple channels, supports one-on-one and group chats, and offers AI-powered Q&A for customer service.


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.


Easily access password-protected documents with this secure tool. It instantly unlocks encrypted PDFs, removes restrictions, and allows quick export and sharing of your files. Works offline for enhanced privacy and features a user-friendly interface with dark mode support.


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.

