# ゆっくりボイス vs Ostrich Derby

The clearest difference is ads: ゆっくりボイス at none against Ostrich Derby's shown. ゆっくりボイス also leads on iOS requirement (11.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | ゆっくりボイス | Ostrich Derby |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/id6474193379/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 9.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Size | 84 MB | 63 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [naoya onami](https://appshunter.io/developer/1653103622) | [Masahiro Akebi](https://appshunter.io/developer/1884865177) |

## What reviewers say

### ゆっくりボイス

[App page](https://appshunter.io/ios/app/id6474193379)

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

**In-app purchases:** none


### Ostrich Derby

[App page](https://appshunter.io/ios/app/ostrich-derby/id6787029094)

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

**In-app purchases:** none


## Frequently asked questions

### Is ゆっくりボイス free?

ゆっくりボイス is free to download, with no in-app purchases.

### Is Ostrich Derby free?

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

### Do ゆっくりボイス or Ostrich Derby have ads?

Ostrich Derby shows ads; ゆっくりボイス does not.

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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.*