# DRO vs 심해 강하 작전

The clearest difference is in-app purchases: DRO at none against 심해 강하 작전's 10. 심해 강하 작전's advantage is update cadence (daily vs every 4 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 심해 강하 작전 sells 10 one-off in-app purchases. DRO asks for nothing beyond the download.

DRO ships an update every 4 days, 심해 강하 작전 daily. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | DRO | 심해 강하 작전 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 586 MB | 57 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [DONG HYEON KIM](https://appshunter.io/developer/1896641522) | [doeun kim](https://appshunter.io/developer/6802956751) |

## What reviewers say

### DRO

[App page](https://appshunter.io/ios/app/dro-rpg/id6769227258)

Engage in intense battles where your control and strategy determine victory. Master endless growth training, conquer enemies with skillful combat, and customize your character with unique equipment. Climb the real-time rankings to claim glory and honor.

**Highlights:** Skill-based combat and strategy, Endless character growth and training, Real-time competitive ranking system, Charming 2D pixel art design, Extensive equipment collection and customization

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

**In-app purchases:** none


### 심해 강하 작전

[App page](https://appshunter.io/ios/app/id6802956749)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Check-in Pass (30d) | $2.99 | one-time |
| Hangar Expansion (30d) | $2.99 | one-time |
| Captain Pass (Season) | $3.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Level Pass | $5.99 | one-time |
| Diamond Check-in (30d) | $5.99 | one-time |
| Magnet Pass | $9.99 | one-time |
| Diamonds 1,700 | $19.99 | one-time |
| Diamonds 3,900 | $39.99 | one-time |
| Diamonds 7,600 | $69.99 | one-time |


## Frequently asked questions

### Is DRO free?

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

### Is 심해 강하 작전 free?

심해 강하 작전 is free to download, with in-app purchases available.

### Do DRO or 심해 강하 작전 have ads?

Both DRO and 심해 강하 작전 show ads.

### Which is updated more often, DRO or 심해 강하 작전?

DRO ships an update every 4 days, and 심해 강하 작전 daily. Most recently, DRO was updated on October 17, 2026 and 심해 강하 작전 on October 11, 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.*