# Learn Java vs HackerX

The clearest difference is review sentiment: HackerX at 75% against Learn Java's 0%. HackerX also leads on rating (4.8 vs 2.0) and ratings volume (2.8K vs 1). Learn Java's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 15.0). 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. Learn Java asks for nothing beyond the download.

HackerX holds the better App Store score, 4.8 against 2.0. 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. Written reviews point the same way: 0% of Learn Java's written reviews are positive against 75% of HackerX's.

Learn Java ships an update every 3 months, HackerX every 6 weeks. The most recent releases landed on June 1, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Learn Java | HackerX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/learn-java-onepercent/id1539369814/reviews) | **[4.8 (2.8K ratings)](https://appshunter.io/ios/app/hackerx-learn-ethical-hacking/id1542444199/reviews)** |
| Number of ratings | 1 | **2.8K** |
| Positive reviews | 0.0% of reviews | **75.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | **Free** | Freemium |
| Size | 29 MB | 63 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OnePercent](https://appshunter.io/developer/1536020418) | [Nigel Crasto](https://appshunter.io/developer/1049691225) |

## What reviewers say

### Learn Java

[App page](https://appshunter.io/ios/app/learn-java-onepercent/id1539369814)

Master Java programming from beginner to advanced topics with interactive lessons, quizzes, and interview preparation. This ad-free tutorial offers a clear, step-by-step learning experience for career or hobbyist developers.

**Highlights:** Comprehensive Java lessons, Interview preparation questions, Interactive quizzes, Demo programs for visualization, Clear syntax explanations, Ad-free learning experience

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Learn Java free?

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

### Is HackerX free?

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

### Which has better reviews, Learn Java or HackerX?

HackerX is rated higher. Learn Java averages 2.0 out of 5 from 1 ratings, while HackerX averages 4.8 from 2.8K ratings.

### Do Learn Java or HackerX have ads?

Neither Learn Java nor HackerX shows ads.

### Which is updated more often, Learn Java or HackerX?

Learn Java ships an update every 3 months, and HackerX every 6 weeks. Most recently, Learn Java was updated on June 1, 2026 and HackerX on October 1, 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.*