Comparison

HackerX vs QuantumNote

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HackerX

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
Read full description

Want to become an ethical hacker to make your career in hacking? Learn cybersecurity and hacking basics and advanced skills using this amazing app - Learn Ethical Hacking - Ethical Hacking Tutorials. On this Ethical Hacking Learning app, you will be able to start with the basics of cybersecurity and hacking so that you can build your skills around it. You can build your hacking skills on the go from Hacking Tutorials on this app. COURSE CONTENT • Understand the basics of Hacker • Know who is known as a Hacker and what is Hacking? • Introduction of security • Types of Hackers • Know about malware • What is Virus - Trojans & Worms You will be able to uncover a lot about the world of cybersecurity and potential vulnerabilities that can exist in computer systems and computer networks of today's world. Learn hacking skills online for free with Learn Ethical Hacking app. This ethical hacking learning app is a free IT and cyber security online training network offering in-depth hacking courses for noobs, intermediate and advanced hackers. With a course library spanning topics such as ethical hacking, advanced penetration testing and digital hacking forensics, this app is the best place to learn hacking skills online. With this app, anyone can take a hacking course. Our app-based learning platform is free and open to all who wish to learn. This is because our app's goal is to make IT, cyber security, penetration testing, and ethical hacking available to everyone, regardless of circumstance. As you start out on your hacking journey It is important to understand what it means to be an ethical hacker. Ethical hackers are hackers who penetrate networks with the goal of uncovering that network’s weaknesses on the owner’s behalf. This way the network owner is better able to secure their system from malicious attacks. If this sounds like something you are interested in pursuing, then you have come to the right place. SUPPORT US If you have any feedback for us, please write us an email and we will be happy to help you out. If you have liked any feature of this app, feel free to rate us on app store and share with other friends.

About

QuantumNote

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
Read full description

Master quantum computing from fundamentals to advanced algorithms with QuantumNote — your comprehensive, beautifully designed learning companion. WHY QUANTUMNOTE? Quantum computing is revolutionizing technology, from cryptography to drug discovery. Whether you're a student, developer, researcher, or curious learner, QuantumNote provides everything you need to understand this transformative field. COMPREHENSIVE CURRICULUM • 66 in-depth topics across 8 categories • Beginner to advanced content with clear progression • Each topic includes definitions, formulas, examples, and code EIGHT LEARNING CATEGORIES 1. Quantum Basics — Superposition, entanglement, measurement 2. Qubits — Bloch sphere, Dirac notation, Bell states 3. Quantum Gates — Pauli, Hadamard, CNOT, rotations 4. Quantum Circuits — Building and optimizing quantum programs 5. Quantum Algorithms — Grover's, Shor's, VQE, QAOA 6. Quantum Hardware — Superconducting, ion trap, photonic qubits 7. Error Correction — Surface codes, fault tolerance 8. Quantum Cryptography — QKD, post-quantum security POWERFUL FEATURES • Formula Reference — 42 essential formulas with LaTeX notation • Quick Reference — Gates, states, hardware comparison at a glance • Study Tips — 25 expert tips for effective learning • Career Roadmaps — Paths for developers, researchers, engineers • Code Examples — Real Python/Qiskit code for every concept • Bookmarks — Save important topics for quick access • Notes — Add personal annotations to any topic • Progress Tracking — Monitor your learning journey • Practice Mode — Test your understanding • Search — Find any concept instantly • Dark Mode — Easy on the eyes for extended study LEARN BY DOING Every topic includes: • Clear, accessible explanations • Step-by-step worked examples • Real-world applications • Runnable Python code with Qiskit • Memory tricks and study tips DESIGNED FOR LEARNING • Beautiful, distraction-free interface • Offline access to all content • Regular content updates • Optimized for iPhone and iPad WHO IS THIS FOR? • Computer science students • Software developers exploring quantum • Physics enthusiasts • Researchers and academics • Anyone curious about the future of computing Start your quantum computing journey today. The quantum revolution is here — don't get left behind.

Screenshots

HackerX4 screens
QuantumNote4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
HackerX versus QuantumNote: the parameters behind the verdict, then further details
ParameterHackerXQuantumNote
PriceFreeFree
Rating4.8 (2.8K ratings)5.0 (1 ratings) — better
Positive reviews75.3% of reviews—
Number of ratings2.8K — better1
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size63 MB5 MB
Age rating4+4+
DeveloperNigel CrastoDinesh Malla

Customer experience

HackerX

All ratings2,816 ratings
Positive93.9%
Neutral2.0%
Negative4.1%
Written reviews449 reviews
Positive75.3%
Neutral8.0%
Negative16.7%

QuantumNote

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

HackerX

Reported bugs

4 issues
  • 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

6 requests
  • Dark mode option
  • More advanced content
  • Ability to skip lessons based on prior knowledge
  • Better support and troubleshooting
  • Sync progress across devices
Show 1 more
  • More certification options

QuantumNote

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

HackerX

One-time2
  • Limited Time Special Discount!$9.99
  • Hacking Lifetime Access Plan$24.99
None

QuantumNote

No in-app purchases

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.

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