# HackerX vs QuantumNote

The clearest difference is in-app purchases: QuantumNote at none against HackerX's 2. QuantumNote also leads on rating (5.0 vs 4.8). HackerX's advantage is ratings volume (2.8K vs 1). On price, update cadence, ads and device support there is nothing between them.

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

QuantumNote holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: HackerX has 2.8K ratings behind it against 1, so its average is the more settled of the two.

HackerX ships an update every 6 weeks, QuantumNote every 2 months. The most recent releases landed on October 1, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | HackerX | QuantumNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (2.8K ratings)](https://appshunter.io/ios/app/hackerx-learn-ethical-hacking/id1542444199/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quantumnote-quantum-computing/id6755923805/reviews)** |
| Number of ratings | **2.8K** | 1 |
| Positive reviews | 75.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 63 MB | 5 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nigel Crasto](https://appshunter.io/developer/1049691225) | [Dinesh Malla](https://appshunter.io/developer/1838122307) |

## 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


### QuantumNote

[App page](https://appshunter.io/ios/app/quantumnote-quantum-computing/id6755923805)

Master quantum computing with a comprehensive learning companion covering fundamentals to advanced algorithms. Explore topics with clear explanations, code examples, and progress tracking. Designed for students, developers, and enthusiasts.

**Highlights:** Comprehensive curriculum with 66 topics, Beginner to advanced content, Code examples with Python/Qiskit, Formula reference with LaTeX, Progress tracking and practice mode, Offline access, Dark mode

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

**In-app purchases:** none


## Frequently asked questions

### Is HackerX free?

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

### Is QuantumNote free?

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

### Which has better reviews, HackerX or QuantumNote?

QuantumNote is rated higher. HackerX averages 4.8 out of 5 from 2.8K ratings, while QuantumNote averages 5.0 from 1 ratings.

### Do HackerX or QuantumNote have ads?

Neither HackerX nor QuantumNote shows ads.

### Which is updated more often, HackerX or QuantumNote?

HackerX ships an update every 6 weeks, and QuantumNote every 2 months. Most recently, HackerX was updated on October 1, 2026 and QuantumNote on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*