Comparison

Studyo Math Games vs 世界の国名クイズ

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

Head to head
About

Studyo Math Games

This app offers nine engaging games designed to enhance mathematical skills. Covering arithmetic, fractions, geometry, and algebra, it provides interactive ways to learn and practice concepts. Ideal for young learners, it makes math education fun and accessible.

Highlights
  • Mental arithmetic racing game
  • Practice vertical operations
  • Number line visualization
  • Fraction visualization and simplification
  • Geometry coordinate and area calculations
  • Equation solving practice
  • Basic coding and algorithmic art generation
Features
Read full description

Our 9 Games 1 - Racing game : Improve your mental arithmetics by racing our AI. 2 - Operations game : Practice the 4 vertical operations (multiplication, addition, subtraction, division). 3 - Line game : Visualise numbers, decimals, fractions, additions and subtractions on a number line. 4 - Memory game : Beat the clock to match numbers in their different forms 2 + 4 = 6 = 12/2 . 5 - Graphic fractions : Visualise fractions with our interactive fractions generator. 6 - Algebraic fractions : Practice prime decomposition, fraction simplification and fraction addition with simple gestures. 7 - Geometry game : Visualise coordinates, calculate perimeters and surface areas. 8 - Equation game : Develop and practice strategies to solve equations. Find solutions to equations. 9 - Coding game : Use basic instructions to code a burger or a pizza, to deliver food with a drone, or to generate some nice algorithmic arts (in development).

About

世界の国名クイズ

Features
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「世界の国名クイズ」は、世界の国名・首都・国旗を楽しく学べる無料の学習アプリです。 【学習タブ】 大陸ごとに分類された国の一覧から、国旗・国名(日本語/英語)・首都を確認できます。国名や首都名での検索にも対応しています。 【クイズタブ】 「国旗→国名」「国名→首都」「国旗→首都」の3つのモードから選んで、4択クイズに挑戦できます。正解すると、効果音とともに国名や首都名がその国の言葉で発音されます。10問終えると自己ベストスコアが記録され、何度でも挑戦できます。 お子様の地理学習から、大人の教養クイズまで、幅広くお楽しみいただけます。

Screenshots

Studyo Math Games4 screens
世界の国名クイズ4 screens

Verdict

The call

The clearest difference is ads: Studyo Math Games at none against 世界の国名クイズ's shown. 世界の国名クイズ's advantage is update cadence (every 10 days vs every 6 months). On price, in-app purchases, device support and iOS requirement 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

Studyo Math Games ships an update every 6 months, 世界の国名クイズ every 10 days. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 6 level
Studyo Math Games versus 世界の国名クイズ: the parameters behind the verdict, then further details
ParameterStudyo Math Games世界の国名クイズ
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 6 monthsEvery 10 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.1 — better17.0
Further details — not scored
Size68 MB4 MB
Age rating4+4+
DeveloperStudyo Systems LTDMasahiro Tanigawa

In-app purchases

None

Studyo Math Games

No in-app purchases

None

世界の国名クイズ

No in-app purchases

Questions

Is Studyo Math Games free?
Studyo Math Games is free to download, with no in-app purchases.
Is 世界の国名クイズ free?
世界の国名クイズ is free to download, with no in-app purchases.
Do Studyo Math Games or 世界の国名クイズ have ads?
世界の国名クイズ shows ads; Studyo Math Games does not.
Which is updated more often, Studyo Math Games or 世界の国名クイズ?
Studyo Math Games ships an update every 6 months, and 世界の国名クイズ every 10 days. Most recently, Studyo Math Games was updated on October 9, 2026 and 世界の国名クイズ on October 11, 2026.

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