Comparison

KeyItem vs Flush Mahjong Quiz

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

Head to head

Locate and Tap !!

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

Flush Mahjong Quiz

Features

Read full description

Flush mahjong game perfect for practicing waiting tiles recognition and which to discard. Features: * Flush mahjong waiting tiles quiz * Which to discard game * Time attack mode * Widget * Daily quiz notification * Number of tiles are configurable Terms of use：https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

KeyItem3 screens

Flush Mahjong Quiz4 screens

Verdict

The call

The clearest difference is price: KeyItem at Free against Flush Mahjong Quiz's $0.99. KeyItem also leads on in-app purchases (none vs 1) and ads (none vs shown). On update cadence 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

KeyItem is free to download; Flush Mahjong Quiz costs $0.99 up front. Flush Mahjong Quiz sells 1 in-app purchase, starting at $0.49 per month. KeyItem asks for nothing beyond the download.

UpkeepUpdate frequency

KeyItem ships an update every 11 days, Flush Mahjong Quiz weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 2 level

KeyItem versus Flush Mahjong Quiz: the parameters behind the verdict, then further details
Parameter	KeyItem	Flush Mahjong Quiz
Price	Free — better	$0.99
Update frequency	Every 11 days	Weekly — better
Ads	No — better	Yes
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	15.0 — better	17.0
Further details — not scored
Size	979 MB	3 MB
Age rating	4+	4+
Developer	YUL Foundation	Yohei Tamura

In-app purchases

None

KeyItem

No in-app purchases

1 purchases

Flush Mahjong Quiz

Subscriptions1

Premium Plan$0.491 Month

Questions

Is KeyItem free?

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

Is Flush Mahjong Quiz free?

Flush Mahjong Quiz costs $0.99, and also offers in-app purchases.

Do KeyItem or Flush Mahjong Quiz have ads?

Flush Mahjong Quiz shows ads; KeyItem does not.

Which is updated more often, KeyItem or Flush Mahjong Quiz?

KeyItem ships an update every 11 days, and Flush Mahjong Quiz weekly. Most recently, KeyItem was updated on November 3, 2026 and Flush Mahjong Quiz on November 4, 2026.