Mecha Diver vs KAII
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Mecha Diver
Engage in strategic bullet hell battles against alien invaders with your robotic companions. Upgrade your mechs and defeat enemies to progress through levels. Survive the horde and conquer the galaxy.
- Strategic bullet hell battles
- Robot upgrades
- Alien horde survival
- Level progression
- Robo friend companions
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Survive the alien horde with your robo friends! Form strategies in a bullet hell battle, upgrade your robots, and defeat enemies to level up.
KAII
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【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 update cadence: Mecha Diver at every 5 days against KAII's every 6 weeks. On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Mecha Diver ships an update every 5 days, KAII every 6 weeks. The most recent releases landed on September 24, 2026 and October 11, 2026 respectively.
| Parameter | Mecha Diver | KAII |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 days — better | Every 6 weeks |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 197 MB | 78 MB |
| Age rating | 4+ | 12+ |
| Developer | Noko Games | yota hojo |
In-app purchases
Mecha Diver
No in-app purchases
KAII
No in-app purchases
