# Dragon Ruins I vs KAII

The clearest difference is price: KAII at Free against Dragon Ruins I's $3.99. KAII also leads on iOS requirement (13.0 vs 15.0). Dragon Ruins I's advantage is ads (none vs shown) and update cadence (every 6 days vs every 6 weeks). On in-app purchases and device support there is nothing between them.

KAII is free to download; Dragon Ruins I costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dragon Ruins I ships an update every 6 days, KAII every 6 weeks. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Dragon Ruins I | KAII |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[3.3 (19 ratings)](https://appshunter.io/ios/app/dragon-ruins-i/id6759590978/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 32.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Monetization | Paid | — |
| Size | 148 MB | 78 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [Kotobuki Solution Co., Ltd.](https://appshunter.io/developer/314755636) | [yota hojo](https://appshunter.io/developer/1585956018) |

## What reviewers say

### Dragon Ruins I

[App page](https://appshunter.io/ios/app/dragon-ruins-i/id6759590978)

Embark on a retro-style 3D dungeon crawler adventure. Explore ancient ruins, form a party of four from 12 classes, and engage in fast-paced combat with auto-battle. Conquer increasingly challenging enemies and a powerful final boss.

**Highlights:** 3D dungeon crawler experience, Retro-style RPG, Party formation with 12 classes, Fast-paced auto-battle combat, Progressive difficulty and boss challenges, Streamlined controls and story

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

**In-app purchases:** none


### KAII

[App page](https://appshunter.io/ios/app/kaii-roku/id6790129310)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dragon Ruins I free?

Dragon Ruins I costs $3.99, with no in-app purchases.

### Is KAII free?

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

### Do Dragon Ruins I or KAII have ads?

KAII shows ads; Dragon Ruins I does not.

### Which is updated more often, Dragon Ruins I or KAII?

Dragon Ruins I ships an update every 6 days, and KAII every 6 weeks. Most recently, Dragon Ruins I was updated on November 2, 2026 and KAII on October 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.*