# 떠먹 vs Oracle Java SE 21 Developer

The clearest difference is in-app purchases: 떠먹 at none against Oracle Java SE 21 Developer's 1. On price, update cadence, ads and device support there is nothing between them.

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

떠먹 ships an update every 9 days, Oracle Java SE 21 Developer weekly. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 떠먹 | Oracle Java SE 21 Developer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 46 MB | 209 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HONG IK LEE](https://appshunter.io/developer/1819512861) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### 떠먹

[App page](https://appshunter.io/ios/app/id6766482217)

**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 떠먹 free?

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

### Is Oracle Java SE 21 Developer free?

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

### Do 떠먹 or Oracle Java SE 21 Developer have ads?

Neither 떠먹 nor Oracle Java SE 21 Developer shows ads.

### Which is updated more often, 떠먹 or Oracle Java SE 21 Developer?

떠먹 ships an update every 9 days, and Oracle Java SE 21 Developer weekly. Most recently, 떠먹 was updated on October 5, 2026 and Oracle Java SE 21 Developer on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*