# Twitcast Viewer (TwitCasting) vs ずんだボイス「ずんだもん読み上げアプリ」

Twitcast Viewer (TwitCasting) and ずんだボイス「ずんだもん読み上げアプリ」 both sit at 4.6 stars, but that hides the real split: 77% of ずんだボイス「ずんだもん読み上げアプリ」's written reviews are positive against 41% of Twitcast Viewer (TwitCasting)'s. Twitcast Viewer (TwitCasting)'s advantage is ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Twitcast Viewer (TwitCasting) sells 27 in-app purchases, starting at $3.99 per month and 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. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Twitcast Viewer (TwitCasting) against 4.5 for ずんだボイス「ずんだもん読み上げアプリ」. Both are backed by a comparable volume of ratings — 525 and 362 respectively. Written reviews are what separate them: 41% of Twitcast Viewer (TwitCasting)'s written reviews are positive against 77% of ずんだボイス「ずんだもん読み上げアプリ」's.

Twitcast Viewer (TwitCasting) ships an update every 10 days, ずんだボイス「ずんだもん読み上げアプリ」 weekly. Both last shipped on October 17, 2026.

## The numbers

| Metric | Twitcast Viewer (TwitCasting) | ずんだボイス「ずんだもん読み上げアプリ」 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (525 ratings)](https://appshunter.io/ios/app/twitcast-viewer-twitcasting/id365235835/reviews)** | [4.5 (362 ratings)](https://appshunter.io/ios/app/id6468403059/reviews) |
| Number of ratings | **525** | 362 |
| Positive reviews | 41.3% of reviews | **76.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 88 MB | 212 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [MOI CORPORATION](https://appshunter.io/developer/1535795097) | [Toraichi Igarashi](https://appshunter.io/developer/1704800739) |

## What reviewers say

### Twitcast Viewer (TwitCasting)

[App page](https://appshunter.io/ios/app/twitcast-viewer-twitcasting/id365235835)

Watch live video and radio streams from a vast community. Interact with streamers through comments and gifts, and join live sessions with unique avatars. Get notifications for favorite streams and enjoy background playback.

**Highlights:** Watch live video and radio streams, Real-time comments and gifts, Stream notifications, Collabo feature for joining streams, Interactive avatars, Background playback, Categorized content

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

**In-app purchases (27)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 木乃教-信者- | $3.99 | per month |
| 初めてのメンバーシップ | $3.99 | per month |
| いっぱい、よしよししてあげる | $3.99 | per month |
| コレコレch会員限定生放送 | $5.99 | per month |
| 【新】コレコレch会員限定生放送 | $7.99 | per month |
| 木乃教-使徒- | $7.99 | per month |
| 【超】コレコレch会員限定生放送＋通常キャス録画全公開 | $23.99 | per month |
| 世界一よしよしされたい | $39.99 | per month |
| 5000円ちょーだいっ！ | $39.99 | per month |
| 上流国民 | $79.99 | per month |
| 生涯添い遂げまひちゃんと一緒 | $79.99 | per month |
| レジェンド会員 | $79.99 | per month |
| kimonoちゃんプレミアム | $79.99 | per month |
| 500pt Bundle | $2.99 | one-time |
| 480pt Bundle | $2.99 | one-time |
| 500pt (+100pt) | $3.99 | one-time |
| 1,000pt Bundle | $6.99 | one-time |
| 980pt (+200pt) | $7.99 | one-time |
| 1,000pt Bundle | $9.99 | one-time |
| 2,000pt Bundle | $13.99 | one-time |
| 1960pt (+520pt) | $15.99 | one-time |
| 3,000pt Bundle | $19.99 | one-time |
| 2940pt (+840pt) | $23.99 | one-time |
| 3,000pt Bundle | $29.49 | one-time |
| 5,000pt Bundle | $34.99 | one-time |
| 10,000pt Bundle | $64.99 | one-time |
| 10300pt | $79.99 | one-time |

**What reviewers like**

- 👍 Easy to navigate and user-friendly interface
- 🌍 Access to diverse international content and creators
- 🎬 Good for watching live performances and streams
- 🔄 Consistent app updates and improvements
- 💬 Ability to interact with people from different countries

**What reviewers complain about**

- 🐛 Frequent crashes and freezing issues
- ⚠️ Poor content moderation and regulation
- 🔐 Account bans without clear explanation
- 🌐 Language settings not working properly
- 📡 Streaming lag and buffering problems

**Reported bugs**

- App crashes on startup and during use
- Update installation failures
- Freezing on iOS 7 and iPad Air devices
- Streaming audio quality issues and lag
- Subscription system not working properly

**Requested features**

- Record live streams on iOS devices
- Improved payment system for international creators
- Better user search and discovery functionality
- Spell check and auto-capitalization in chat
- Automatic translator for non-Japanese content


### 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


## Frequently asked questions

### Is Twitcast Viewer (TwitCasting) free?

Twitcast Viewer (TwitCasting) is free to download, with in-app purchases available.

### 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.

### Which has better reviews, Twitcast Viewer (TwitCasting) or ずんだボイス「ずんだもん読み上げアプリ」?

Twitcast Viewer (TwitCasting) is rated higher. Twitcast Viewer (TwitCasting) averages 4.6 out of 5 from 525 ratings, while ずんだボイス「ずんだもん読み上げアプリ」 averages 4.5 from 362 ratings.

### Do Twitcast Viewer (TwitCasting) or ずんだボイス「ずんだもん読み上げアプリ」 have ads?

ずんだボイス「ずんだもん読み上げアプリ」 shows ads; Twitcast Viewer (TwitCasting) does not.

### Which is updated more often, Twitcast Viewer (TwitCasting) or ずんだボイス「ずんだもん読み上げアプリ」?

Twitcast Viewer (TwitCasting) ships an update every 10 days, and ずんだボイス「ずんだもん読み上げアプリ」 weekly. Most recently, Twitcast Viewer (TwitCasting) was updated on October 17, 2026 and ずんだボイス「ずんだもん読み上げアプリ」 on October 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.*