# HackerX vs CPU Simulator

The clearest difference is rating: HackerX at 4.8 against CPU Simulator's 3.6. HackerX also leads on review sentiment (76% vs 50%) and ratings volume (2.8K vs 5). CPU Simulator's advantage is in-app purchases (none vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HackerX sells 2 one-off in-app purchases. CPU Simulator asks for nothing beyond the download.

HackerX holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: HackerX has 2.8K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 76% of HackerX's written reviews are positive against 50% of CPU Simulator's.

## The numbers

| Metric | HackerX | CPU Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.8K ratings)](https://appshunter.io/ios/app/hackerx-learn-ethical-hacking/id1542444199/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/cpu-simulator/id1544486809/reviews) |
| Number of ratings | **2.8K** | 5 |
| Positive reviews | **75.6% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Freemium | **Free** |
| Size | 63 MB | 2 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nigel Crasto](https://appshunter.io/developer/1049691225) | [Andrew Palombo](https://appshunter.io/developer/1544486811) |

## What reviewers say

### HackerX

[App page](https://appshunter.io/ios/app/hackerx-learn-ethical-hacking/id1542444199)

Learn the fundamentals and advanced techniques of ethical hacking and cybersecurity. This app offers comprehensive courses for beginners and experienced individuals, covering topics from basic hacking concepts to penetration testing and digital forensics. Gain practical skills to secure systems and build a career in the field.

**Highlights:** Learn cybersecurity basics, Advanced hacking skills, Ethical hacking tutorials, Penetration testing, Digital forensics, Beginner-friendly lessons

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Limited Time Special Discount! | $9.99 | one-time |
| Hacking Lifetime Access Plan | $24.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Great teaching
- 💡 Beginner-friendly
- 🚀 Straightforward lessons
- 👍 Organized and simple

**What reviewers complain about**

- 🐛 Buggy tests and quizzes
- 💰 Paywall for full access
- 🔍 Requires external tools/websites
- 🔍 Outdated content
- 🔍 Limited free content

**Reported bugs**

- Lessons not displaying properly
- Inability to select answers in tests
- App freezing or getting stuck on loading screens
- Compatibility issues with Mac OS

**Requested features**

- Dark mode option
- More advanced content
- Ability to skip lessons based on prior knowledge
- Better support and troubleshooting
- Sync progress across devices


### CPU Simulator

[App page](https://appshunter.io/ios/app/cpu-simulator/id1544486809)

This app simulates a computer's CPU, illustrating the fetch-decode-execute cycle and register changes. It includes an IDE for assembly code development and allows users to save and share simulations.

**Highlights:** Fetch-decode-execute cycle visualization, Interactive CPU component tracking, Assembly code IDE, Machine code view, Adjustable run speed and number base, Document-based simulations, Save and share simulations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HackerX free?

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

### Is CPU Simulator free?

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

### Which has better reviews, HackerX or CPU Simulator?

HackerX is rated higher. HackerX averages 4.8 out of 5 from 2.8K ratings, while CPU Simulator averages 3.6 from 5 ratings.

### Do HackerX or CPU Simulator have ads?

Neither HackerX nor CPU Simulator shows ads.

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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.*