# いきものクイズ＆どうぶつ・昆虫図鑑 vs COLEX

The clearest difference is ads: COLEX at none against いきものクイズ＆どうぶつ・昆虫図鑑's shown. COLEX also leads on update cadence (every 5 months vs every 48 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

いきものクイズ＆どうぶつ・昆虫図鑑 ships an update every 48 months, COLEX every 5 months. The most recent releases landed on September 18, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | いきものクイズ＆どうぶつ・昆虫図鑑 | COLEX |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 48 months | **Every 5 months** |
| Size | 35 MB | 34 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Akio SHIMURA](https://appshunter.io/developer/1279822048) | [BUZZ FACTORY Inc.](https://appshunter.io/developer/1734737688) |

## What reviewers say

### いきものクイズ＆どうぶつ・昆虫図鑑

[App page](https://appshunter.io/ios/app/id1291919785)

**Features:** macOS Compatibility

**In-app purchases:** none


### COLEX

[App page](https://appshunter.io/ios/app/colex/id6478998505)

**In-app purchases:** none


## Frequently asked questions

### Is いきものクイズ＆どうぶつ・昆虫図鑑 free?

いきものクイズ＆どうぶつ・昆虫図鑑 is free to download, with no in-app purchases.

### Is COLEX free?

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

### Do いきものクイズ＆どうぶつ・昆虫図鑑 or COLEX have ads?

いきものクイズ＆どうぶつ・昆虫図鑑 shows ads; COLEX does not.

### Which is updated more often, いきものクイズ＆どうぶつ・昆虫図鑑 or COLEX?

いきものクイズ＆どうぶつ・昆虫図鑑 ships an update every 48 months, and COLEX every 5 months. Most recently, いきものクイズ＆どうぶつ・昆虫図鑑 was updated on September 18, 2026 and COLEX on September 20, 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.*