KumamonCalc vs 電卓&ストップウォッチ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KumamonCalc
A straightforward calculator featuring the popular Kumamon character. It supports basic arithmetic, percentage calculations, and memory functions. Users can customize themes and toggle sound effects.
- Basic arithmetic operations
- Percentage calculation
- Memory function
- Customizable themes
- Sound ON/OFF option
- 12-digit input support
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Simple calculator famous character in Japan " Kumamon " appeared ! Corresponds to the percentage calculation arithmetic , % , it is equipped with a memory function . It is a computer that does not correspond to the function operation . It is a calculator of the calculation Kumamon addition, subtraction , multiplication , division , percentages , can be . ※ Kumamon calculator is free , but you can hide the ads by purchasing the extension plug-in . [ Main function ] - Input the number of digits to 12 digits - Support for iPad - Can change the theme Settings Sound : ON / OFF Theme : black / white / red / yellow / blue / green © 2010 kumamoto pref. Kumamon #13492
電卓&ストップウォッチ
This app combines a stopwatch, numerical counter, and calculator into a single, easy-to-use interface. It allows for simultaneous operation of all three tools, simplifying daily tasks.
- Simultaneous operation
- Stopwatch
- Numerical counter
- Calculator
- Simple interface
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日々の生活でよく使う「ストップウォッチ」「数値カウンター」「電卓」を1つの画面で同時に操作できるように設計しました。 シンプルな簡単操作でそれぞれの機能を独立して使用することができます。
Screenshots
Verdict
The clearest difference is in-app purchases: 電卓&ストップウォッチ at none against KumamonCalc's 1. 電卓&ストップウォッチ also leads on review sentiment (100% vs 80%). KumamonCalc's advantage is update cadence (every 3 months vs every 19 months). On price, ads, device support and iOS requirement 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. KumamonCalc sells 1 one-off in-app purchase. 電卓&ストップウォッチ asks for nothing beyond the download.
KumamonCalc ships an update every 3 months, 電卓&ストップウォッチ every 19 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | KumamonCalc | 電卓&ストップウォッチ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 80.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months — better | Every 19 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 50 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | woodsmall inc. | Ametiar |
Customer experience
KumamonCalc
電卓&ストップウォッチ
In-app purchases
KumamonCalc
- Advertising hide$4.99
電卓&ストップウォッチ
No in-app purchases
