KumamonCalc vs Calc
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
Calc
This app offers a high-precision scientific calculator with over 50 digits of accuracy. It supports advanced mathematical functions, complex arithmetic, and programmable features for derivatives, integrals, and root finding.
- High-precision calculations (50+ digits)
- Extensive mathematical functions
- Programmable features
- Complex arithmetic
- Graphing capabilities
- Derivative and integral calculation
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Calc-50 is a high-precision scientific graphing RPN calculator. It carries over 50 digits of accuracy and has a large number of mathematical functions, including trig and hyperbolic functions and their inverses, and math special functions such as gamma, beta, psi, exponential integral, sine, cosine, and log integrals, Bessel functions, and more. It is programmable, with functions that take user functions and find derivatives, integrals, function max/min, and roots. Calc-50 also provides complex arithmetic and elementary functions.
Screenshots
Verdict
The clearest difference is rating: KumamonCalc at 5.0 against Calc's 3.7. KumamonCalc also leads on review sentiment (80% vs 50%) and update cadence (every 3 months vs every 10 months). Calc's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, 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. Calc asks for nothing beyond the download.
KumamonCalc holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 80% of KumamonCalc's written reviews are positive against 50% of Calc's.
KumamonCalc ships an update every 3 months, Calc every 10 months. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.
| Parameter | KumamonCalc | Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 80.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 3 months — better | Every 10 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 50 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | woodsmall inc. | David Smith |
Customer experience
KumamonCalc
Calc
In-app purchases
KumamonCalc
- Advertising hide$4.99
Calc
No in-app purchases









