# Computers Quiz vs Java Data Structures Pro

The clearest difference is price: Computers Quiz at Free against Java Data Structures Pro's $4.99. Computers Quiz also leads on iOS requirement (12.0 vs 17.0). Java Data Structures Pro's advantage is ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

Computers Quiz 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Computers Quiz | Java Data Structures Pro |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/computers-quiz/id6451094062/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 56 MB | 18 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Blue Castle Studios](https://appshunter.io/developer/1465237858) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Computers Quiz

[App page](https://appshunter.io/ios/app/computers-quiz/id6451094062)

Test your tech knowledge with this app covering hardware, software, programming, and innovations. Engage in timed quizzes or practice modes to improve your computer skills. Aim for a 75% score to demonstrate your expertise.

**Highlights:** Diverse quiz modes, Covers hardware, software, programming, innovations, Timed quizzes, Practice mode, Passing score of 75% or higher, Optional sponsored content viewing

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

**In-app purchases:** none


### Java Data Structures Pro

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

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Computers Quiz free?

Computers Quiz 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 Computers Quiz or Java Data Structures Pro have ads?

Computers Quiz shows ads; Java Data Structures Pro does not.

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

Computers Quiz ships an update every 3 months, and Java Data Structures Pro every 3 months. Most recently, Computers Quiz was updated on October 24, 2026 and Java Data Structures Pro on October 19, 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.*