# ずんだボイス「ずんだもん読み上げアプリ」 vs OTOGE trainer

The clearest difference is in-app purchases: OTOGE trainer at none against ずんだボイス「ずんだもん読み上げアプリ」's 2. OTOGE trainer also leads on ads (none vs shown) and update cadence (daily vs weekly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ずんだボイス「ずんだもん読み上げアプリ」 sells 2 in-app purchases, starting at $0.99 per month. OTOGE trainer asks for nothing beyond the download.

ずんだボイス「ずんだもん読み上げアプリ」 ships an update weekly, OTOGE trainer daily. The most recent releases landed on September 22, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | ずんだボイス「ずんだもん読み上げアプリ」 | OTOGE trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (362 ratings)](https://appshunter.io/ios/app/id6468403059/reviews)** | — |
| Number of ratings | **362** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Daily** |
| Size | 212 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Toraichi Igarashi](https://appshunter.io/developer/1704800739) | [flow LLC](https://appshunter.io/developer/1758577970) |

## What reviewers say

### ずんだボイス「ずんだもん読み上げアプリ」

[App page](https://appshunter.io/ios/app/id6468403059)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $0.99 | per month |
| 買い切り | $9.99 | one-time |

**What reviewers like**

- 🚀 Efficient and easy to use
- 👍 Variety of voice options
- 💡 AI chat feature
- 🎨 Customizable voice settings
- 🎶 Composition capabilities

**What reviewers complain about**

- 🐛 Occasional crashes and freezes
- 🔍 Difficult to navigate due to Japanese-only interface
- ⏱️ Slow loading times for some features
- 🔊 Inconsistent audio quality

**Reported bugs**

- Lyrics input not working properly
- Unexpected audio distortion in certain cases
- Saved projects randomly deleted or corrupted

**Requested features**

- Add English language support
- Implement more advanced vocal tuning options
- Improve song composition tools
- Optimize performance and reduce loading times


### OTOGE trainer

[App page](https://appshunter.io/ios/app/otoge-trainer/id6563141997)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ずんだボイス「ずんだもん読み上げアプリ」 free?

ずんだボイス「ずんだもん読み上げアプリ」 is free to download, with in-app purchases available.

### Is OTOGE trainer free?

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

### Do ずんだボイス「ずんだもん読み上げアプリ」 or OTOGE trainer have ads?

ずんだボイス「ずんだもん読み上げアプリ」 shows ads; OTOGE trainer does not.

### Which is updated more often, ずんだボイス「ずんだもん読み上げアプリ」 or OTOGE trainer?

ずんだボイス「ずんだもん読み上げアプリ」 ships an update weekly, and OTOGE trainer daily. Most recently, ずんだボイス「ずんだもん読み上げアプリ」 was updated on September 22, 2026 and OTOGE trainer on September 16, 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.*