マルチ計算機 vs ReadableCalc
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。
ReadableCalc
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ReadableCalc is a calculator app that displays large numbers—like 3 trillion 500 billion—in readable units. It’s designed to make extremely large numbers more intuitive at a glance. Main Features • Supports four basic operations (+, −, ×, ÷) • Displays results in English numeric units for easy readability • Handles decimals and negative numbers • DEL button for deleting one character at a time (Long press to clear the entire expression) • Long press on expressions or results to copy • Tap on the “readable” result to toggle display between: • Short scale / Long scale / Kanji numerals Additional features in landscape mode: • “00”, “000”, and “0000” buttons for quickly adding zeros • “x²” and “x³” buttons for quick exponentiation Note: • Numbers exceeding 200 digits may be rounded due to calculation and display limitations. Please be cautious if you need high precision. • Short scale and Long scale support numbers up to 10^198. • Kanji numeral display supports up to 10^72. Larger numbers are shown in Arabic numerals instead.
Screenshots
Verdict
The clearest difference is ads: ReadableCalc at none against マルチ計算機's shown. ReadableCalc also leads on update cadence (weekly vs every 26 months). マルチ計算機's advantage is iOS requirement (9.0 vs 12.0). 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.
マルチ計算機 ships an update every 26 months, ReadableCalc weekly. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.
| Parameter | マルチ計算機 | ReadableCalc |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| Update frequency | Every 26 months | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 9 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | YUUKI TANIHARA | YONAGARE LAB |
In-app purchases
マルチ計算機
No in-app purchases
ReadableCalc
No in-app purchases









