# JSTQB Foundation 対策アプリ vs Oracle Java SE 21 Developer

The clearest difference is in-app purchases: JSTQB Foundation 対策アプリ at none against Oracle Java SE 21 Developer's 1. JSTQB Foundation 対策アプリ also leads on iOS requirement (13.4 vs 15.1). On ads and device support there is nothing between them.

## The numbers

| Metric | JSTQB Foundation 対策アプリ | Oracle Java SE 21 Developer |
| --- | --- | --- |
| Price | — | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 30 MB | 201 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Daisuke Matsubara](https://appshunter.io/developer/1720755722) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### JSTQB Foundation 対策アプリ

[App page](https://appshunter.io/ios/app/jstqb-foundation/id6743047859)

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

**In-app purchases:** none


### Oracle Java SE 21 Developer

[App page](https://appshunter.io/ios/app/oracle-java-se-21-developer/id6785110070)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is JSTQB Foundation 対策アプリ free?

Pricing for JSTQB Foundation 対策アプリ is not currently listed on the App Store.

### Is Oracle Java SE 21 Developer free?

Oracle Java SE 21 Developer is free to download, with in-app purchases available.

### Do JSTQB Foundation 対策アプリ or Oracle Java SE 21 Developer have ads?

Neither JSTQB Foundation 対策アプリ nor Oracle Java SE 21 Developer 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.*