Comparison

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

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Twitcast Viewer (TwitCasting)

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
Read full description

# Welcome to the Refreshed Twitcast Viewer App Experience the best of live streaming with the new Twitcast Viewer app. Join our community of 30 million users on the lively platform of Twitcast! # More than just Watching While enjoying your favorite streamers, engage in real time with comments and gifts. Invite your friends from X (formerly Twitter) to amplify the fun! # Stay Updated Love a live stream? Add it to your notification list and never miss out when it goes live. Connect with X to add users to your list too! # Be Part of the Stream Join live streams with “Collabo” feature and chat, and set up unique avatars for more interactive fun! # Wide Variety Pick from 100+ categories of live streams tailored to match your mood. # Convenient Viewing Enjoy lag-free streams on any network, with easy options for background playback and for viewing on a larger screen. Join Twitcast - 'A place where everyone's favorites gather'. Discover more, love even more! --- # Unlock More with Membership Join our membership to enjoy special perks from streamers. # Perks at Your Disposal Membership perks span across a spectrum, depending on the chosen tiers. Here's a sampler: - Digital certificate - Membership badges - Exclusive streams - Exclusive offers from creators per tier specifics Membership auto-renews monthly, and the prices depend on the tier you choose. More details are available on the enrollment page. # Charges Your Apple ID account will be charged for the membership. # Auto-renewal and Cancellation Your auto-renewal plans and their cancellation can be managed here: Settings > Apple ID Account Info > Subscriptions > Choose the auto-renewal plan to enable or cancel. Options to confirm or cancel the auto-renewal plan are also available on the AppStore App. Please note that cancellations for the current enrollment month are not accepted. # Terms of Service https://twitcasting.tv/indexlicense.php # Privacy Policy https://twitcasting.tv/indexprivacy.php ---- LANGUAGES:English, Japanese, and others * Note: This is the viewer application for "Twitcast Live (TwitCasting Live)".

About

ずんだボイス「ずんだもん読み上げアプリ」

Features
Read full description

このアプリはずんだもんの読み上げアプリなのだ! VOICEVOXのファイルをインポートして声を追加することもできるのだ! イントネーション・スピード・トーン・語の長さを自由に調整することができるのだ! 生成された音声は保存することもできるから、動画編集に使ったり友達に送ったりできるのだ。 音声の生成はスマホだけで処理を行うのだ。 入力されたテキストデータなどの収集は行なっていないので安心して使って欲しいのだ! ###### 利用規約 ###### https://www.apple.com/legal/internet-services/itunes/jp/terms.html ※音声を使用する際は必ずクレジット表記をしてください。 ※VOICEVOXの利用規約を必ず読んでください。 https://zunko.jp/con_ongen_kiaku.html VOICEVOX:ずんだもん イラスト:坂本アヒル様 東北ずん子PJ番号:1092

Screenshots

Twitcast Viewer (TwitCasting)3 screens
ずんだボイス「ずんだもん読み上げアプリ」4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Twitcast Viewer (TwitCasting) versus ずんだボイス「ずんだもん読み上げアプリ」: the parameters behind the verdict, then further details
ParameterTwitcast Viewer (TwitCasting)ずんだボイス「ずんだもん読み上げアプリ」
PriceFreeFree
Rating4.6 (525 ratings) — better4.5 (362 ratings)
Positive reviews41.3% of reviews76.5% of reviews — better
Number of ratings525 — better362
Update frequencyEvery 10 daysWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.0 — better
Further details — not scored
Size88 MB212 MB
Age rating12+4+
DeveloperMOI CORPORATIONToraichi Igarashi

Customer experience

Twitcast Viewer (TwitCasting)

All ratings525 ratings
Positive90.7%
Neutral6.1%
Negative3.2%
Written reviews143 reviews
Positive41.3%
Neutral11.2%
Negative47.6%

ずんだボイス「ずんだもん読み上げアプリ」

All ratings362 ratings
Positive86.2%
Neutral7.2%
Negative6.6%
Written reviews162 reviews
Positive76.5%
Neutral13.0%
Negative10.5%

User reviews

Twitcast Viewer (TwitCasting)

From 525 App Store ratings

What we love

  • 👍 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

Room to improve

  • 🐛 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

ずんだボイス「ずんだもん読み上げアプリ」

From 362 App Store ratings

What we love

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

Room to improve

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

Bugs and requests

Twitcast Viewer (TwitCasting)

Reported bugs

10 issues
  • 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
Show 5 more
  • Unable to find users when searching
  • Language setting changes not applying
  • Collaboration feature causing problems
  • Notifications from non-subscribed users
  • Twitter subscription links not functioning

Requested features

12 requests
  • 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
Show 7 more
  • Increased character limit for messages
  • Ability to view saved/recorded videos
  • Integration with Twitter followers list
  • Support for viewing content from desktop broadcasts
  • Increased viewer capacity beyond 64 people
  • Proper Twitter integration
  • Merged live and viewer apps for easier navigation

ずんだボイス「ずんだもん読み上げアプリ」

Reported bugs

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

Requested features

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

In-app purchases

27 purchases

Twitcast Viewer (TwitCasting)

Subscriptions13
  • 木乃教-信者-$3.991 Month
  • 初めてのメンバーシップ$3.991 Month
  • いっぱい、よしよししてあげる$3.991 Month
Show 10 more
  • コレコレch会員限定生放送$5.991 Month
  • 【新】コレコレch会員限定生放送$7.991 Month
  • 木乃教-使徒-$7.991 Month
  • 【超】コレコレch会員限定生放送+通常キャス録画全公開$23.991 Month
  • 世界一よしよしされたい$39.991 Month
  • 5000円ちょーだいっ!$39.991 Month
  • 上流国民$79.991 Month
  • 生涯添い遂げまひちゃんと一緒$79.991 Month
  • レジェンド会員$79.991 Month
  • kimonoちゃんプレミアム$79.991 Month
One-time14
  • 500pt Bundle$2.99
  • 480pt Bundle$2.99
  • 500pt (+100pt)$3.99
Show 11 more
  • 1,000pt Bundle$6.99
  • 980pt (+200pt)$7.99
  • 1,000pt Bundle$9.99
  • 2,000pt Bundle$13.99
  • 1960pt (+520pt)$15.99
  • 3,000pt Bundle$19.99
  • 2940pt (+840pt)$23.99
  • 3,000pt Bundle$29.49
  • 5,000pt Bundle$34.99
  • 10,000pt Bundle$64.99
  • 10300pt$79.99
2 purchases

ずんだボイス「ずんだもん読み上げアプリ」

Subscriptions1
  • Subscription$0.991 Month
One-time1
  • 買い切り$9.99

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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