鬼計算 vs Four Operations Math
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
鬼計算
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【鬼計算】 計算問題をといて遊ぶ、計算ゲームアプリ! 小学生でも楽しめるレベル1から大人でも苦戦するレベル鬼まで。 むずかしい問題もなんどもちょうせんしてクリアしよう! 【使い方】 遊びたいモードとレベルをせんたくして問題をといていこう。 まちがえちゃうとHPがへっちゃう! HPがなくなるまえに10問といてクリアしよう。 【機能一覧】 ・たす、ひく、かける、わるの四則演算をクイズ形式で出題 ・レベル1〜3、鬼を実装 ・シェアボタン
Four Operations Math
This puzzle game challenges players to create mathematical equations using four numbers and basic arithmetic operations to reach a target value. It promotes logical thinking and problem-solving skills through engaging gameplay with varying challenges.
- Create mathematical equations
- Use four numbers and operations
- Achieve target values
- Logical thinking development
- Basic and Custom game modes
- Intuitive tap and drag controls
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This is a challenging puzzle game in which the player creates a mathematical equation that achieves a target value using four given numbers and four arithmetic operations. Players must use their logical thinking and creativity to reach a different target value each time. ■ Rules * Use all numbers: All four numbers provided must be used one at a time. * Four arithmetic operations and parentheses: Add, subtract, multiply, divide, and use parentheses as many times as you like. * Target value achievement: Try to make the formula match the target value, which changes each time. ■ Operation * Tap a panel: Tap the bottom panel to add it to the end of the formula. * Drag a panel: Drag a panel to add it anywhere in the formula. * Drag & Drop: Added panels can be dragged and dropped to any desired location. * Delete panel: Added panels can be deleted by double tapping on them. ■ Game Modes * Basic Mode: The target value and the four numbers to be used are determined at random. * Custom Mode: You decide the target value and the four numbers to be used. ■ Features * Intuitive operation: Simple and easy-to-use controls allow anyone to enjoy the game immediately. * Different challenges each time: The target value changes each time, so there is always a fresh challenge awaiting you. * Promotes logical thinking: Solving puzzles develops your logical thinking and problem-solving skills. Test your computational and logical thinking skills and hone your skills while having fun. Let's give it a try!
Screenshots
Verdict
The clearest difference is ads: Four Operations Math at none against 鬼計算's shown. Four Operations Math also leads on update cadence (every 8 days vs every 5 months). 鬼計算's advantage is iOS requirement (15.2 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
鬼計算 ships an update every 5 months, Four Operations Math every 8 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.
| Parameter | 鬼計算 | Four Operations Math |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 months | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.2 — better | 17.0 |
| Further details — not scored | ||
| Size | 12 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | masaaki genno | Romiick LLC |
In-app purchases
鬼計算
No in-app purchases
Four Operations Math
No in-app purchases
Questions
Is 鬼計算 free?
Is Four Operations Math free?
Do 鬼計算 or Four Operations Math have ads?
Which is updated more often, 鬼計算 or Four Operations Math?
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