# いきものクイズ＆どうぶつ・昆虫図鑑 vs ARSound3D

The clearest difference is in-app purchases: いきものクイズ＆どうぶつ・昆虫図鑑 at none against ARSound3D's 1. いきものクイズ＆どうぶつ・昆虫図鑑 also leads on iOS requirement (15.0 vs 18.2). ARSound3D's advantage is update cadence (every 3 weeks vs every 48 months). On price, ads and device support there is nothing between them.

Both are free to download. ARSound3D sells 1 one-off in-app purchase. いきものクイズ＆どうぶつ・昆虫図鑑 asks for nothing beyond the download.

いきものクイズ＆どうぶつ・昆虫図鑑 ships an update every 48 months, ARSound3D every 3 weeks. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | いきものクイズ＆どうぶつ・昆虫図鑑 | ARSound3D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 48 months | **Every 3 weeks** |
| Size | 35 MB | 19 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Akio SHIMURA](https://appshunter.io/developer/1279822048) | [Kengo Matsumoto](https://appshunter.io/developer/1801204820) |

## 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


### ARSound3D

[App page](https://appshunter.io/ios/app/arsound3d/id6743083155)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## 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 ARSound3D free?

ARSound3D is free to download, with in-app purchases available.

### Do いきものクイズ＆どうぶつ・昆虫図鑑 or ARSound3D have ads?

Both いきものクイズ＆どうぶつ・昆虫図鑑 and ARSound3D show ads.

### Which is updated more often, いきものクイズ＆どうぶつ・昆虫図鑑 or ARSound3D?

いきものクイズ＆どうぶつ・昆虫図鑑 ships an update every 48 months, and ARSound3D every 3 weeks. Most recently, いきものクイズ＆どうぶつ・昆虫図鑑 was updated on September 18, 2026 and ARSound3D on September 17, 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.*