# ARSound3D vs RepQuiz

The clearest difference is ads: RepQuiz at none against ARSound3D's shown. RepQuiz also leads on update cadence (every 8 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. ARSound3D sells 1 one-off in-app purchase and RepQuiz sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ARSound3D ships an update every 3 weeks, RepQuiz every 8 days. The most recent releases landed on September 17, 2026 and July 18, 2026 respectively.

## The numbers

| Metric | ARSound3D | RepQuiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/repquiz/id6748318193/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 360 MB |
| Requires iOS | 18.2 | **18.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kengo Matsumoto](https://appshunter.io/developer/1801204820) | [ATSUSHI TAKEO](https://appshunter.io/developer/1786618559) |

## What reviewers say

### ARSound3D

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

**In-app purchases (1)**

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


### RepQuiz

[App page](https://appshunter.io/ios/app/repquiz/id6748318193)

Test your knowledge about reptiles with this engaging quiz. Learn about different species and their characteristics in a fun and interactive way. Perfect for anyone curious about the fascinating world of reptiles.

**Highlights:** Reptile knowledge quiz, Learn about reptile species, Interactive learning, Fun and engaging format, Suitable for all ages

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 100 Gacha Point | $0.99 | one-time |
| Unlock the distribution map of all | $2.99 | one-time |
| Add 1000 Gacha Point | $8.99 | one-time |


## Frequently asked questions

### Is ARSound3D free?

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

### Is RepQuiz free?

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

### Do ARSound3D or RepQuiz have ads?

ARSound3D shows ads; RepQuiz does not.

### Which is updated more often, ARSound3D or RepQuiz?

ARSound3D ships an update every 3 weeks, and RepQuiz every 8 days. Most recently, ARSound3D was updated on September 17, 2026 and RepQuiz on July 18, 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.*