# E資格 問題集 vs Oracle Java SE 21 Developer

E資格 問題集 and Oracle Java SE 21 Developer are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. E資格 問題集 sells 1 one-off in-app purchase and Oracle Java SE 21 Developer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | E資格 問題集 | Oracle Java SE 21 Developer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 34 MB | 201 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [takahashi masaki](https://appshunter.io/developer/1855419759) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### E資格 問題集

[App page](https://appshunter.io/ios/app/e/id6762594426)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| E-JDLA Lifetime | $4.99 | one-time |


### 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 E資格 問題集 free?

E資格 問題集 is free to download, with in-app purchases available.

### Is Oracle Java SE 21 Developer free?

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

### Do E資格 問題集 or Oracle Java SE 21 Developer have ads?

Neither E資格 問題集 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.*