Comparison

くるくるボール vs Arithmetist

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

Head to head
About

くるくるボール

Features
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バーを回して固定する。片手で遊べて暇つぶしにぴったりのゲームです! 回転させたバーを固定して、ボックスへ導くだけの簡単なルール。全40ステージ! 【あそびかた】 ・画面を下にスワイプしてボールを出す! ・回転させたバーをタップで固定! ・ボールをボックスに入れる! ステージを進めると順番の決まったボックスや、動くバーなども登場します!

About

Arithmetist

Features
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"Arithmetist" is an exciting fast-paced calculation puzzle game designed to test your math skills and quick thinking! Puzzle Rules The rules are simple yet challenging. Draw a single line to create an equation that matches the specified "Goal" number to clear the level. You will use the following basic operations: Addition: 1 + 1 = 2 Subtraction: 3 - 1 = 2 Multiplication: 1 x 2 = 2 Modulus: 7 % 5 = 2 Equations are calculated from left to right, so you need to be mindful of the order of operations. For example: 1 + 2 x 3 = 9 Following these rules, your task is to create the optimal equation to reach the goal number. Score The scoring system is based on the level and the length of the equation you create. Even if the result is the same, longer equations will earn higher scores. This means you need to think creatively and strategically, making the game not just about calculations but also about solving puzzles. Levels The game has a maximum level of 20. Reaching level 20 requires advanced calculation skills and cool-headed decision-making. Each level gradually increases in difficulty, constantly providing a new challenge for the player. Test your math abilities and aim for the highest level! Challenging Gameplay "Arithmetist" offers simple yet deep gameplay. Compete for high scores and challenge your own personal best to experience continuous discovery and a sense of accomplishment. Playing "Arithmetist" is not only fun but also helps improve your calculation and problem-solving skills. Enjoy the game anytime, anywhere on your smartphone. Download now and start your challenge! Aim to become the ultimate calculation puzzle master!

Screenshots

くるくるボール2 screens
Arithmetist3 screens

Verdict

The call

The clearest difference is in-app purchases: くるくるボール at none against Arithmetist's 1. くるくるボール also leads on iOS requirement (10.0 vs 12.0). Arithmetist's advantage is update cadence (daily vs every 7 months). On price, ads 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. Arithmetist sells 1 one-off in-app purchase. くるくるボール asks for nothing beyond the download.

UpkeepUpdate frequency

くるくるボール ships an update every 7 months, Arithmetist daily. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 4 level
くるくるボール versus Arithmetist: the parameters behind the verdict, then further details
ParameterくるくるボールArithmetist
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 7 monthsDaily — better
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPod
Requires iOS10.0 — better12.0
Further details — not scored
Size64 MB115 MB
Age rating4+4+
DeveloperSeiya KashiwakuraCode and DESIGN inc

In-app purchases

None

くるくるボール

No in-app purchases

1 purchases

Arithmetist

One-time1
  • No Ads$2.99

Questions

Is くるくるボール free?
くるくるボール is free to download, with no in-app purchases.
Is Arithmetist free?
Arithmetist is free to download, with in-app purchases available.
Do くるくるボール or Arithmetist have ads?
Both くるくるボール and Arithmetist show ads.
Which is updated more often, くるくるボール or Arithmetist?
くるくるボール ships an update every 7 months, and Arithmetist daily. Most recently, くるくるボール was updated on October 29, 2026 and Arithmetist on October 30, 2026.

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