Comparison

MathMinds vs s*カルク

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

Head to head
About

MathMinds

Features
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MathMinds: Puzzle Quiz turns everyday math into fast, satisfying brain training. Five distinct puzzle modes, clean and colorful design, and instant right/wrong feedback on every answer — no clutter, no distractions, just focused practice you can pick up for two minutes or twenty. FIVE MODES TO MASTER - Number Sequences — spot the pattern and find the missing number in the series. - Operator Puzzles — decode a custom symbol's hidden rule, then use it to solve the final equation. - Fractions & Ratios — simplify, compare, and convert fractions, percentages, and ratios. - Word Problems — real-world scenarios like speed, pricing, and discounts, each with one clear right answer. - Geometry Snap — areas, perimeters, and the Pythagorean theorem, with a shape icon on every question. BUILT FOR FOCUSED PRACTICE Every round is timed, every card shows exactly how many questions or rounds are ahead before you start, and every answer reveals green or red the instant you tap it, so you always know exactly where you stand. Your score and progress are tracked for every mode, so you can always see how far you've come. MathMinds is free to play and supported by ads. Available in English, Spanish, French, German, Japanese, Arabic, and Turkish. Whether you're warming up your brain before school, killing five minutes in a waiting room, or just enjoy a good number puzzle, MathMinds has a mode for you.

About

s*カルク

Features
Read full description

「s*カルク」は、算数の学習に特化したまったく新しいコンセプトの電卓アプリです。 通常の計算はもちろん、学習の中でつまずきやすい「分数」や「あまりのある割り算」、さらには「概数(およその数)」まで、直感的な操作で簡単に計算・表示することができます。 ただ答えを出すだけでなく、結果を「どのように表すか」を子どもたち自身が選べるため、STEAM教育や日々の学習における「数への理解」や「思考力」を育むツールとして最適です。 【主な機能】 ・算数の授業に直結した多彩な表示モード ・分数モード: 計算結果を「帯分数」と「仮分数」でワンタッチ切り替え。 ・あまり計算モード: 割り算の答えを、少数ではなく「商と余り(例:3…2)」で表示。 ・概数モード: 「上から1桁」「千の位」など、指定した位で四捨五入したおよその数を瞬時に表示。 【直感的で使いやすいUI】 ・専用キー: 「π」や「%」、「√」はもちろん、累乗(x^y)も簡単入力。 ・サポート機能: 計算の履歴(リレキ)表示や、数値を一時保存できるメモリー(キオク)機能を搭載。計算結果のワンタップコピーにも対応しています。 ・どの端末でも美しいフル・レスポンシブデザイン iPhoneの縦画面・横画面、iPadの大きな画面など、お使いの端末に合わせてボタンのサイズやレイアウトが極限まで自動最適化されます。いつでもどこでも、美しく快適な操作性を実現しました。 【こんな方におすすめ!】 ・算数の宿題や答え合わせを自分で楽しく進めたい小学生 ・ICTを活用した新しい授業づくりや教育DXに取り組む先生方 ・ご家庭で子どもの学習をスマートにサポートしたい保護者の方 教育現場の実践とアイデアが詰まった「s*カルク」で、毎日の算数をもっと面白く、もっと直感的に体験しよう!

Screenshots

MathMinds4 screens
s*カルク4 screens

Verdict

The call

The clearest difference is ads: s*カルク at none against MathMinds's shown. s*カルク also leads on update cadence (every 5 days vs every 38 months) and iOS requirement (15.6 vs 17.0). 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

MathMinds ships an update every 38 months, s*カルク every 5 days. The most recent releases landed on October 9, 2026 and September 27, 2026 respectively.

Scorecard3 real differences · 3 level
MathMinds versus s*カルク: the parameters behind the verdict, then further details
ParameterMathMindss*カルク
PriceFreeFree
Update frequencyEvery 38 monthsEvery 5 days — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size7 MB0 MB
Age rating4+4+
DeveloperWAEL KILZIEHSeigo Mizouchi

In-app purchases

None

MathMinds

No in-app purchases

None

s*カルク

No in-app purchases

Questions

Is MathMinds free?
MathMinds is free to download, with no in-app purchases.
Is s*カルク free?
s*カルク is free to download, with no in-app purchases.
Do MathMinds or s*カルク have ads?
MathMinds shows ads; s*カルク does not.
Which is updated more often, MathMinds or s*カルク?
MathMinds ships an update every 38 months, and s*カルク every 5 days. Most recently, MathMinds was updated on October 9, 2026 and s*カルク on September 27, 2026.

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