マルチ計算機 vs RedoCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
マルチ計算機
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このアプリはタブによって複数の計算を切り替える事が可能な計算機です。 特殊な操作 上フリック その他項目選択時のナビゲーション表示/非表示 実装されている計算機は 電卓 割勘計算 比較計算 ガソリン代計算 BMI計算 割引価格計算 六曜計算機 学歴計算機 比率計算機 となります。
RedoCalc
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This is a calculator for people who only use it for simple calculations, such as adding up receipts or calculating the cost of a meal split between several people, but who are always worried about whether the input was correct. As it is a simple calculator, the only operations it can perform are - Four arithmetic operations (addition, subtraction, multiplication, division) - Percentage calculations (including calculations such as consumption tax using percentages) . The results are displayed as numbers with a digit symbol. There is no complicated exponential display. The calculation proceeds in the order of the keys you enter. There is no priority for multiplication or division. The formulas you enter are displayed in order in the upper area as a history. If you tap the white part, it will turn yellow and you will be able to modify that part. (You can modify not only numbers, but also arithmetic symbols such as + and ×.) If you tap “=”, the expressions from the first line to the last line will be recalculated. The result will be automatically copied, so you can switch to other apps and paste the value there.
Screenshots
Verdict
The clearest difference is update cadence: RedoCalc at every 3 days against マルチ計算機's every 26 months. マルチ計算機's advantage is iOS requirement (9.0 vs 18.0). On price, ads, 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.
マルチ計算機 ships an update every 26 months, RedoCalc every 3 days. The most recent releases landed on October 11, 2026 and September 25, 2026 respectively.
| Parameter | マルチ計算機 | RedoCalc |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| Update frequency | Every 26 months | Every 3 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 9 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | YUUKI TANIHARA | Toshiyuki Kuwabara |
In-app purchases
マルチ計算機
No in-app purchases
RedoCalc
No in-app purchases









