Dragon Ruins I vs KAII
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Dragon Ruins I
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.
- 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
Read full descriptionHide full description
A refined and streamlined 3D dungeon crawler experience for those weary of complex stories and intricate controls. Brave the depths of an ancient ruin discovered in the capital of Isigwere, where no soul has ever returned—and where a legendary dragon awaits. In this retro-style dungeon crawler RPG, become the hero who conquers the maze and slays the beast lurking in the shadows. - A perfectly paced adventure you can enjoy in one go. Explore the ancient ruins and become stronger. - Form your party by choosing four members from 12 classes, including Knight and Archer. - Fight or flee. Enjoy smooth, fast-paced combat with convenient auto-battle. - With each run, enemies grow in number and strength. Challenge an ever more powerful final boss through repeated playthroughs. * This app supports devices newer than iPhone XS and iPad 8th with iOS 15 and up. User support on non-supported devices is not guaranteed.
KAII
Read full descriptionHide full description
【KAII-ROKU — You are the last Sealer】 The creatures that should have vanished are stirring once more. Yokai, cryptids (UMA), and the urban legends whispered in the dark— hunt down 150 mysterious beings and seal them with your own hands. ■ Timing-Based Sealing Battles Tap the instant the shrinking spirit circle closes in. Nail a PERFECT for 1.5x power. Easy to learn, tense to master. ■ Explore 5 Haunted Spots Shrine → School → Abandoned Village → Sea of Trees → Lake. The deeper you go, the more fearsome the creatures. New areas unlock as you progress. ■ Forge Talismans & Amulets Upgrade your attack "Fuda" talismans and defense "Omamori" amulets across 6 tiers. Collect spirit coins, grow stronger, and take on tougher yokai. ■ Complete the Codex Every sealed creature is recorded in your bestiary. Collect all 150 yokai, cryptids, and urban legends—check their rarity, stats, and category. ■ Perfect for players who love ・Yokai, cryptids, and Japanese folklore ・Collecting and completing bestiaries ・Quick one-handed games for short breaks ・Dark, atmospheric Japanese horror
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Dragon Ruins I | KAII |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 3.3 (19 ratings) — better | — |
| Positive reviews | 32.0% of reviews | — |
| Number of ratings | 19 — better | — |
| Update frequency | Every 6 days — better | Every 6 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 148 MB | 78 MB |
| Age rating | 9+ | 12+ |
| Developer | Kotobuki Solution Co., Ltd. | yota hojo |
In-app purchases
Dragon Ruins I
No in-app purchases
KAII
No in-app purchases









