# Learn Java vs Compendium Lab

Learn Java and Compendium Lab are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Learn Java sells 5 one-off in-app purchases and Compendium Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Learn Java ships an update every 3 weeks, Compendium Lab every 4 weeks. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Learn Java | Compendium Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/learn-java-coding-and-quiz/id6757629118/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Freemium | — |
| Size | 57 MB | 106 MB |
| Requires iOS | **16** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shoaib Bagwan](https://appshunter.io/developer/1193428077) | [Byoungho Kim](https://appshunter.io/developer/1888452963) |

## What reviewers say

### Learn Java

[App page](https://appshunter.io/ios/app/learn-java-coding-and-quiz/id6757629118)

Master Java programming with structured lessons, interactive quizzes, and coding challenges. Prepare for interviews and build a strong foundation in computer science concepts. Ideal for beginners and aspiring developers.

**Highlights:** Structured Java lessons, Interactive quizzes, Coding practice challenges, Interview preparation, Progress tracking, Daily practice

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Limited Offer Access | $4.99 | one-time |
| Special Premium Access | $4.99 | one-time |
| Welcome Lifetime Access | $5.99 | one-time |
| Lifetime Premium Access | $9.99 | one-time |
| Lifetime Premium Access | $19.99 | one-time |


### Compendium Lab

[App page](https://appshunter.io/ios/app/compendium-lab-math-and-ai/id6791996424)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compendium Lab Pro | $5.99 | one-time |


## Frequently asked questions

### Is Learn Java free?

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

### Is Compendium Lab free?

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

### Do Learn Java or Compendium Lab have ads?

Neither Learn Java nor Compendium Lab shows ads.

### Which is updated more often, Learn Java or Compendium Lab?

Learn Java ships an update every 3 weeks, and Compendium Lab every 4 weeks. Most recently, Learn Java was updated on October 12, 2026 and Compendium Lab on October 16, 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.*