# NilnocCalc vs KumamonCalc

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.

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.

## The numbers

| Metric | NilnocCalc | KumamonCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/nilnoccalc/id576052957/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/kumamoncalc/id830364492/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 50 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John Conlin](https://appshunter.io/developer/576052961) | [woodsmall inc.](https://appshunter.io/developer/708077492) |

## What reviewers say

### NilnocCalc

[App page](https://appshunter.io/ios/app/nilnoccalc/id576052957)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### KumamonCalc

[App page](https://appshunter.io/ios/app/kumamoncalc/id830364492)

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.

**Highlights:** Basic arithmetic operations, Percentage calculation, Memory function, Customizable themes, Sound ON/OFF option, 12-digit input support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advertising hide | $4.99 | one-time |


## Frequently asked questions

### Is NilnocCalc free?

NilnocCalc is free to download, with no in-app purchases.

### Is KumamonCalc free?

KumamonCalc is free to download, with in-app purchases available.

### Which has better reviews, NilnocCalc or KumamonCalc?

NilnocCalc and KumamonCalc are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do NilnocCalc or KumamonCalc have ads?

KumamonCalc shows ads; NilnocCalc does not.

### Which is updated more often, NilnocCalc or KumamonCalc?

NilnocCalc ships an update every 3 months, and KumamonCalc every 3 months. Most recently, NilnocCalc was updated on October 23, 2026 and KumamonCalc on October 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*