# Oracle Java SE 21 Developer vs 사회조사분석사 2급 필기

The clearest difference is in-app purchases: 사회조사분석사 2급 필기 at none against Oracle Java SE 21 Developer's 1. Oracle Java SE 21 Developer's advantage is ads (none vs shown) and update cadence (every 4 days vs every 4 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Oracle Java SE 21 Developer sells 1 one-off in-app purchase. 사회조사분석사 2급 필기 asks for nothing beyond the download.

Oracle Java SE 21 Developer ships an update every 4 days, 사회조사분석사 2급 필기 every 4 weeks. The most recent releases landed on September 22, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Oracle Java SE 21 Developer | 사회조사분석사 2급 필기 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 4 weeks |
| Size | 201 MB | 82 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) | [dasong sim](https://appshunter.io/developer/1883683802) |

## What reviewers say

### 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 |


### 사회조사분석사 2급 필기

[App page](https://appshunter.io/ios/app/2/id6791423314)

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

**In-app purchases:** none


## Frequently asked questions

### Is Oracle Java SE 21 Developer free?

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

### Is 사회조사분석사 2급 필기 free?

사회조사분석사 2급 필기 is free to download, with no in-app purchases.

### Do Oracle Java SE 21 Developer or 사회조사분석사 2급 필기 have ads?

사회조사분석사 2급 필기 shows ads; Oracle Java SE 21 Developer does not.

### Which is updated more often, Oracle Java SE 21 Developer or 사회조사분석사 2급 필기?

Oracle Java SE 21 Developer ships an update every 4 days, and 사회조사분석사 2급 필기 every 4 weeks. Most recently, Oracle Java SE 21 Developer was updated on September 22, 2026 and 사회조사분석사 2급 필기 on September 28, 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.*