# カブトムシ・クワガタムシクイズ　昆虫図鑑 vs KOETRON

The clearest difference is iOS requirement: KOETRON at 15.6 against カブトムシ・クワガタムシクイズ　昆虫図鑑's 18.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

カブトムシ・クワガタムシクイズ　昆虫図鑑 ships an update every 3 months, KOETRON every 6 months. Both last shipped on October 10, 2026.

## The numbers

| Metric | カブトムシ・クワガタムシクイズ　昆虫図鑑 | KOETRON |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 6 months |
| Size | 99 MB | 46 MB |
| Requires iOS | 18.5 | **15.6** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Akio SHIMURA](https://appshunter.io/developer/1279822048) | [SACHIKO HAMATSU](https://appshunter.io/developer/1819856338) |

## What reviewers say

### カブトムシ・クワガタムシクイズ　昆虫図鑑

[App page](https://appshunter.io/ios/app/id1281497378)

**Features:** macOS Compatibility

**In-app purchases:** none


### KOETRON

[App page](https://appshunter.io/ios/app/koetron/id6751819556)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is カブトムシ・クワガタムシクイズ　昆虫図鑑 free?

カブトムシ・クワガタムシクイズ　昆虫図鑑 is free to download, with no in-app purchases.

### Is KOETRON free?

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

### Do カブトムシ・クワガタムシクイズ　昆虫図鑑 or KOETRON have ads?

Both カブトムシ・クワガタムシクイズ　昆虫図鑑 and KOETRON show ads.

### Which is updated more often, カブトムシ・クワガタムシクイズ　昆虫図鑑 or KOETRON?

カブトムシ・クワガタムシクイズ　昆虫図鑑 ships an update every 3 months, and KOETRON every 6 months. Most recently, カブトムシ・クワガタムシクイズ　昆虫図鑑 was updated on October 10, 2026 and KOETRON on October 10, 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.*