# KumamonCalc vs ガス検針ツール

The clearest difference is in-app purchases: ガス検針ツール at none against KumamonCalc's 1. ガス検針ツール also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. KumamonCalc sells 1 one-off in-app purchase. ガス検針ツール asks for nothing beyond the download.

KumamonCalc ships an update every 3 months, ガス検針ツール every 2 months. The most recent releases landed on October 23, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | KumamonCalc | ガス検針ツール |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/kumamoncalc/id830364492/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 20 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [woodsmall inc.](https://appshunter.io/developer/708077492) | [Energy Solutions Corporation](https://appshunter.io/developer/1517358694) |

## What reviewers say

### 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 |


### ガス検針ツール

[App page](https://appshunter.io/ios/app/id1526094302)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KumamonCalc free?

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

### Is ガス検針ツール free?

ガス検針ツール is free to download, with no in-app purchases.

### Do KumamonCalc or ガス検針ツール have ads?

KumamonCalc shows ads; ガス検針ツール does not.

### Which is updated more often, KumamonCalc or ガス検針ツール?

KumamonCalc ships an update every 3 months, and ガス検針ツール every 2 months. Most recently, KumamonCalc was updated on October 23, 2026 and ガス検針ツール on October 5, 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.*