# Learn Cryptography vs Learn Linux Step by Step

The clearest difference is in-app purchases: Learn Linux Step by Step at none against Learn Cryptography's 4. Learn Linux Step by Step also leads on ads (none vs shown) and ratings volume (6 vs 1). Learn Cryptography's advantage is iOS requirement (15.1 vs 17.0). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Learn Cryptography sells 4 in-app purchases, starting at $3.99 per 7 days. Learn Linux Step by Step asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Learn Cryptography against 5.0 for Learn Linux Step by Step. That said, the two scores are not equally well evidenced: Learn Linux Step by Step has 6 ratings behind it against 1, so its average is the more settled of the two.

Learn Cryptography ships an update every 3 weeks, Learn Linux Step by Step every 5 weeks. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Learn Cryptography | Learn Linux Step by Step |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/learn-cryptography-encryption/id6742056134/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/learn-linux-step-by-step/id6747142409/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 67 MB | 16 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MEHMET CANKER (TR)](https://appshunter.io/developer/1565350155) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Learn Cryptography

[App page](https://appshunter.io/ios/app/learn-cryptography-encryption/id6742056134)

Master the art and science of cryptology with an AI-powered learning app. Explore encryption, decryption, ciphers, and cryptographic systems through interactive tools, puzzles, and a structured curriculum. Ideal for beginners to professionals seeking to understand digital security.

**Highlights:** AI-powered tutor for step-by-step explanations, Interactive encryption and decryption tools, Cryptography playground for practical exercises, Gamified puzzles and challenges, Structured curriculum from beginner to advanced, 24/7 AI chat support for clarifications

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $8.90 | per year |
| Lifetime Subscription | $19.90 | one-time |


### 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


## Frequently asked questions

### Is Learn Cryptography free?

Learn Cryptography is free to download, with in-app purchases available.

### Is Learn Linux Step by Step free?

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

### Which has better reviews, Learn Cryptography or Learn Linux Step by Step?

Learn Cryptography and Learn Linux Step by Step are both rated 5.0 out of 5 on the App Store, from 1 and 6 ratings respectively.

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

Learn Cryptography shows ads; Learn Linux Step by Step does not.

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

Learn Cryptography ships an update every 3 weeks, and Learn Linux Step by Step every 5 weeks. Most recently, Learn Cryptography was updated on October 5, 2026 and Learn Linux Step by Step on October 12, 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.*