NilnocCalc vs KumamonCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NilnocCalc
A powerful 64-bit calculator with multiple number system displays, trigonometric functions, and customizable button colors. It offers unit conversions, binary float display, and permutation/combination calculations.
- 64-bit calculation engine
- Hex, Octal, Binary displays
- Full trigonometric functions
- Customizable button colors and effects
- Unit conversion constants
- Binary Float display
- Combinations and Permutations
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This fully functioning 64 bit Calculator features 10 registers to save values. Hex, Oct, Bin displays. Full set of Trig functions. Users can customize: The colors of buttons and effects ( border and gradient ) The number of digits displayed to the right of the decimal. When Scientific Notation is used for display. Also contains many standard unit conversion constants. Also includes a Binary Float display . Combinations and Permutation calculations built in.
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
Screenshots
Verdict
The clearest difference is in-app purchases: NilnocCalc at none against KumamonCalc's 1. NilnocCalc also leads on ads (none vs shown) and review sentiment (100% vs 80%). On price, rating, ratings volume and update cadence 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. NilnocCalc asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for NilnocCalc against 5.0 for KumamonCalc. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews are what separate them: 100% of NilnocCalc's written reviews are positive against 80% of KumamonCalc's.
Both ship on a similar rhythm, roughly every 3 months. Both last shipped on October 23, 2026.
| Parameter | NilnocCalc | KumamonCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews — better | 80.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 5 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | John Conlin | woodsmall inc. |
Customer experience
NilnocCalc
KumamonCalc
In-app purchases
NilnocCalc
No in-app purchases
KumamonCalc
- Advertising hide$4.99
