# Java Data Structures Pro vs AlgoLearn

The clearest difference is price: AlgoLearn at Free against Java Data Structures Pro's $4.99. AlgoLearn also leads on update cadence (every 3 weeks vs every 4 months). Java Data Structures Pro's advantage is in-app purchases (none vs 2) and iOS requirement (16.0 vs 18.0). On ads and device support there is nothing between them.

AlgoLearn is free to download; Java Data Structures Pro costs $4.99 up front. AlgoLearn sells 2 in-app purchases, starting at $4.99 per month. Java Data Structures Pro asks for nothing beyond the download.

Java Data Structures Pro ships an update every 4 months, AlgoLearn every 3 weeks. The most recent releases landed on September 16, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Java Data Structures Pro | AlgoLearn |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 18 MB | 9 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Alice-Georgiana TURCANU](https://appshunter.io/developer/1834220789) |

## What reviewers say

### Java Data Structures Pro

[App page](https://appshunter.io/ios/app/java-data-structures-pro/id6756707292)

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

**In-app purchases:** none


### AlgoLearn

[App page](https://appshunter.io/ios/app/algolearn-interview-prep/id6782004232)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AlgoLearn Pro Monthly | $4.99 | per month |
| AlgoLearn Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Java Data Structures Pro free?

Java Data Structures Pro costs $4.99, with no in-app purchases.

### Is AlgoLearn free?

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

### Do Java Data Structures Pro or AlgoLearn have ads?

Neither Java Data Structures Pro nor AlgoLearn shows ads.

### Which is updated more often, Java Data Structures Pro or AlgoLearn?

Java Data Structures Pro ships an update every 4 months, and AlgoLearn every 3 weeks. Most recently, Java Data Structures Pro was updated on September 16, 2026 and AlgoLearn on September 22, 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.*