# Java SE 21 Practice 1Z0 vs 1Z0

The clearest difference is price: 1Z0 at Free against Java SE 21 Practice 1Z0's $4.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

1Z0 is free to download; Java SE 21 Practice 1Z0 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Java SE 21 Practice 1Z0 | 1Z0 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 34 MB | 30 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [satoshi yoshida](https://appshunter.io/developer/1873856165) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### Java SE 21 Practice 1Z0

[App page](https://appshunter.io/ios/app/java-se-21-practice-1z0-830/id6778314795)

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

**In-app purchases:** none


### 1Z0

[App page](https://appshunter.io/ios/app/1z0-829-java-se-17-exam-prep/id6789257017)

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

**In-app purchases:** none


## Frequently asked questions

### Is Java SE 21 Practice 1Z0 free?

Java SE 21 Practice 1Z0 costs $4.99, with no in-app purchases.

### Is 1Z0 free?

1Z0 is free to download, with no in-app purchases.

### Do Java SE 21 Practice 1Z0 or 1Z0 have ads?

Neither Java SE 21 Practice 1Z0 nor 1Z0 shows ads.

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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.*