# Mastering Ethical Hacking vs Kotlin Programming

The clearest difference is in-app purchases: Mastering Ethical Hacking at none against Kotlin Programming's 1. Mastering Ethical Hacking also leads on iOS requirement (15.0 vs 17.2). Kotlin Programming's advantage is update cadence (every 2 months vs every 8 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Kotlin Programming sells 1 one-off in-app purchase. Mastering Ethical Hacking asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 1.0 for Mastering Ethical Hacking against 1.0 for Kotlin Programming. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Mastering Ethical Hacking ships an update every 8 months, Kotlin Programming every 2 months. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Mastering Ethical Hacking | Kotlin Programming |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/mastering-ethical-hacking/id6472681517/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/kotlin-programming/id6544798982/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 27 MB | 61 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Defensahacker LLC](https://appshunter.io/developer/1717482696) | [Akshay Bhasme](https://appshunter.io/developer/1757403977) |

## What reviewers say

### Mastering Ethical Hacking

[App page](https://appshunter.io/ios/app/mastering-ethical-hacking/id6472681517)

This app offers a free, self-paced way to learn and improve ethical hacking and cybersecurity skills. It includes tutorials, cheat sheets, and interactive question-answering features to aid learning.

**Highlights:** Learn ethical hacking and pentesting, Interactive question answering, Tutorials and cheat sheets, Learn at your own pace, No registration required, Free to use

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

**In-app purchases:** none


### Kotlin Programming

[App page](https://appshunter.io/ios/app/kotlin-programming/id6544798982)

Learn Kotlin programming through interactive practice programs and a built-in code editor. Covers basics, OOP, functional programming, and Android development essentials. Includes a quiz game to test knowledge and track progress.

**Highlights:** 500+ interactive practice programs, Built-in code editor with real-time output, Learn Kotlin basics to advanced, Object-Oriented and Functional Programming modules, Android Development Essentials, Quiz game for knowledge testing, Offline access

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Mastering Ethical Hacking free?

Mastering Ethical Hacking is free to download, with no in-app purchases.

### Is Kotlin Programming free?

Kotlin Programming is free to download, with in-app purchases available.

### Which has better reviews, Mastering Ethical Hacking or Kotlin Programming?

Mastering Ethical Hacking and Kotlin Programming are both rated 1.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Mastering Ethical Hacking or Kotlin Programming have ads?

Neither Mastering Ethical Hacking nor Kotlin Programming shows ads.

### Which is updated more often, Mastering Ethical Hacking or Kotlin Programming?

Mastering Ethical Hacking ships an update every 8 months, and Kotlin Programming every 2 months. Most recently, Mastering Ethical Hacking was updated on October 10, 2026 and Kotlin Programming on October 13, 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.*