# Learn Linux Step by Step vs Cyber Defense Lab

The clearest difference is in-app purchases: Learn Linux Step by Step at none against Cyber Defense Lab's 2. Learn Linux Step by Step also leads on ads (none vs shown). Cyber Defense Lab's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Cyber Defense Lab sells 2 in-app purchases, starting at $4.99 per month. Learn Linux Step by Step asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Learn Linux Step by Step | Cyber Defense Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/learn-linux-step-by-step/id6747142409/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | — |
| Size | 16 MB | 56 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [MEHMET CANKER (TR)](https://appshunter.io/developer/1565350155) |

## 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


### Cyber Defense Lab

[App page](https://appshunter.io/ios/app/cyber-defense-lab/id6789524786)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cyber Defense Lab Pro monthly | $4.99 | per month |
| Cyber Defense Lab Pro annual | $29.99 | per year |


## 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 Cyber Defense Lab free?

Cyber Defense Lab is free to download, with in-app purchases available.

### Do Learn Linux Step by Step or Cyber Defense Lab have ads?

Cyber Defense Lab shows ads; Learn Linux Step by Step does not.

### Which is updated more often, Learn Linux Step by Step or Cyber Defense Lab?

Learn Linux Step by Step ships an update every 5 weeks, and Cyber Defense Lab every 5 weeks. Most recently, Learn Linux Step by Step was updated on October 12, 2026 and Cyber Defense Lab on October 5, 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.*