# Learn Linux Step by Step vs Codex

The clearest difference is update cadence: Codex at every 6 days against Learn Linux Step by Step's monthly. Codex also leads on iOS requirement (13.0 vs 16.0). 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.

Learn Linux Step by Step ships an update monthly, Codex every 6 days. The most recent releases landed on October 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Learn Linux Step by Step | Codex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/learn-linux-step-by-step/id6747142409/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Free | — |
| Size | 16 MB | 30 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [vichet yorn](https://appshunter.io/developer/1851618958) |

## What reviewers say

### Learn Linux Step by Step

[App page](https://appshunter.io/ios/app/learn-linux-step-by-step/id6747142409)

Master Linux commands and system administration through structured tutorials and interactive quizzes. This app offers a comprehensive learning path from beginner to advanced levels, available offline in multiple languages.

**Highlights:** Master Linux commands, System administration learning, Beginner to advanced curriculum, Interactive quizzes, Offline learning, Available in 9 languages

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

**In-app purchases:** none


### Codex

[App page](https://appshunter.io/ios/app/codex-learn-coding/id6758001978)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Learn Linux Step by Step free?

Learn Linux Step by Step is free to download, with no in-app purchases.

### Is Codex free?

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

### Do Learn Linux Step by Step or Codex have ads?

Neither Learn Linux Step by Step nor Codex shows ads.

### Which is updated more often, Learn Linux Step by Step or Codex?

Learn Linux Step by Step ships an update monthly, and Codex every 6 days. Most recently, Learn Linux Step by Step was updated on October 1, 2026 and Codex on September 22, 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.*