# TestMe++ vs Java Data Structures Pro

The clearest difference is price: TestMe++ at Free against Java Data Structures Pro's $4.99. TestMe++ also leads on update cadence (every 9 days vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

TestMe++ is free to download; Java Data Structures Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TestMe++ ships an update every 9 days, Java Data Structures Pro every 4 months. The most recent releases landed on September 18, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | TestMe++ | Java Data Structures Pro |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 months |
| Size | 3 MB | 18 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DNSL](https://appshunter.io/developer/1681524505) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### TestMe++

[App page](https://appshunter.io/ios/app/testme-plus-plus/id6502538877)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is TestMe++ free?

TestMe++ is free to download, with no in-app purchases.

### Is Java Data Structures Pro free?

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

### Do TestMe++ or Java Data Structures Pro have ads?

Neither TestMe++ nor Java Data Structures Pro shows ads.

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

TestMe++ ships an update every 9 days, and Java Data Structures Pro every 4 months. Most recently, TestMe++ was updated on September 18, 2026 and Java Data Structures Pro 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.*