Comparison

KeyItem vs Chinitsu King

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

KeyItem

Features
Read full description

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´)

About

Chinitsu King

Features
Read full description

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

KeyItem3 screens
Chinitsu King4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 3 level
KeyItem versus Chinitsu King: the parameters behind the verdict, then further details
ParameterKeyItemChinitsu King
PriceFreeFree
Update frequencyEvery 11 days — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size979 MB19 MB
Age rating4+12+
DeveloperYUL Foundationnaoya saito

In-app purchases

None

KeyItem

No in-app purchases

None

Chinitsu King

No in-app purchases

Questions

Is KeyItem free?
KeyItem is free to download, with no in-app purchases.
Is Chinitsu King free?
Chinitsu King is free to download, with no in-app purchases.
Do KeyItem or Chinitsu King have ads?
Chinitsu King shows ads; KeyItem does not.
Which is updated more often, KeyItem or Chinitsu King?
KeyItem ships an update every 11 days, and Chinitsu King every 3 weeks. Most recently, KeyItem was updated on October 27, 2026 and Chinitsu King on October 24, 2026.

Other comparisons