KeyItem vs Chinitsu King
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
KeyItem
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A mechanism for Universal Basic IncomeUniversal Basic Income through Gaming KeyItem is a virtual universe where everyone can join. Game List: -RENDA!! -Dragotchi Parkour Race -Puzzle Match All games are now available to play for free! ( *`ω´)
Chinitsu King
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Chinitsu King Can you read every Chinitsu wait? Race through 10 hands, solve as many as you can in 60 seconds, or keep your streak alive until your first mistake. Chinitsu King is a training app dedicated to reading Chinitsu (pure flush) waits — the most beautiful and complex hand in Mahjong. 【13 Tiles. Full Hand. No Shortcuts.】 Limited to the 13-tile closed hand — the situation you face in real games. No unnecessary explanations. Just solve, sharpen, and push your reaction speed to the limit. ◆ Game Modes ・Daily Challenge: Resets at midnight. One special question per day. Earn points for correct answers. ・10-Question Time Attack: Race to solve 10 hands as fast as possible. ・1-Minute Score Attack: Solve as many as you can, correctly, in 60 seconds. ・Sudden Death: Keep answering correctly until your first mistake. Challenge your personal best streak. ・Eternal: Practice reading waits at your own pace, with no time limit. ◆ Track Your Growth ・Graph your last 20 game times. ・Every slump, every breakthrough — written in numbers. ◆ Compete Worldwide ・The "Dan Pyramid" ranking system. ・Climb from 1-Kyu to 1-Dan, and reach the legendary title of Chinitsu King. ◆ More ・Share your game results as an image. ・Minimal ads. Nothing gets in the way of your training. ・iCloud sync — continue your training on any device. ・If you play Mahjong, you'll get it the moment you see it. Play now. Become the Chinitsu King.
Screenshots
Verdict
The clearest difference is ads: KeyItem at none against Chinitsu King's shown. KeyItem also leads on update cadence (every 11 days vs every 3 weeks) and iOS requirement (15.0 vs 26.0). On price, 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.
KeyItem ships an update every 11 days, Chinitsu King every 3 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | KeyItem | Chinitsu King |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 days — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 979 MB | 19 MB |
| Age rating | 4+ | 12+ |
| Developer | YUL Foundation | naoya saito |
In-app purchases
KeyItem
No in-app purchases
Chinitsu King
No in-app purchases









