# RegEx vs Learn Linux Step by Step

The clearest difference is in-app purchases: Learn Linux Step by Step at none against RegEx's 2. RegEx's advantage is ratings volume (23 vs 5). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. RegEx sells 2 one-off in-app purchases. 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 RegEx against 5.0 for Learn Linux Step by Step. Both are backed by a comparable volume of ratings — 23 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

RegEx ships an update fortnightly, Learn Linux Step by Step monthly. The most recent releases landed on September 25, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | RegEx | Learn Linux Step by Step |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (23 ratings)](https://appshunter.io/ios/app/regex-learning/id6744048728/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/learn-linux-step-by-step/id6747142409/reviews) |
| Number of ratings | **23** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 56 MB | 16 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lee Clayberg](https://appshunter.io/developer/1580321355) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### RegEx

[App page](https://appshunter.io/ios/app/regex-learning/id6744048728)

Master regular expressions with interactive lessons and real-world challenges. This app guides you from beginner to expert, offering hands-on exercises and a live tester to solidify your understanding of complex patterns.

**Highlights:** Step-by-step lessons, Interactive exercises, Live regex tester, Comprehensive topics, Real-world scenarios, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Complete the Course | $4.99 | one-time |
| Advanced, Expert, Review | $4.99 | 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 RegEx free?

RegEx 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, RegEx or Learn Linux Step by Step?

RegEx and Learn Linux Step by Step are both rated 5.0 out of 5 on the App Store, from 23 and 5 ratings respectively.

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

Neither RegEx nor Learn Linux Step by Step shows ads.

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

RegEx ships an update fortnightly, and Learn Linux Step by Step monthly. Most recently, RegEx was updated on September 25, 2026 and Learn Linux Step by Step on August 27, 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.*