# devdex vs Java Academy

The clearest difference is iOS requirement: devdex at 15.1 against Java Academy's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. devdex sells 2 in-app purchases, starting at $4.99 per month and Java Academy sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

devdex ships an update every 3 weeks, Java Academy every 2 weeks. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | devdex | Java Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/devdex/id6478421422/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trevor Pennington](https://appshunter.io/developer/1514673614) | [Jeffery Galen Reed](https://appshunter.io/developer/1819964083) |

## What reviewers say

### devdex

[App page](https://appshunter.io/ios/app/devdex/id6478421422)

This app helps developers practice coding syntax for JavaScript, TypeScript, and Swift. It offers over 200 questions, tracks your progress with a weekly streak, and provides statistics on accuracy and quantity. Links to official language documentation are also included.

**Highlights:** JavaScript, TypeScript, Swift support, Over 200 practice questions, Weekly streak tracker, Accuracy and quantity statistics, Links to language documentation

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Devdex Monthly | $4.99 | per month |
| Devdex - Yearly | $34.99 | per year |


### Java Academy

[App page](https://appshunter.io/ios/app/java-academy-learn-java/id6752448541)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Java Academy Monthly | $4.99 | per month |
| Java Academy Yearly Sub | $49.99 | per year |


## Frequently asked questions

### Is devdex free?

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

### Is Java Academy free?

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

### Do devdex or Java Academy have ads?

Neither devdex nor Java Academy shows ads.

### Which is updated more often, devdex or Java Academy?

devdex ships an update every 3 weeks, and Java Academy every 2 weeks. Most recently, devdex was updated on October 6, 2026 and Java Academy on October 8, 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.*