OTOGE trainer vs ずんだボイス2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OTOGE trainer
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OTOGE trainer is a rhythm game training app for iOS. Record yourself playing using the "Screen Recording" function of iOS. You can use that video to repeatedly practice the songs you have difficulty with. The features have been kept to a minimum in order to make it "easy" and "comfortable" to use. Features - Versatile UI, compatible with any game - UI that does not interfere with practice - Easy operation for AB repeat, slow playback, and moving the playback position - No advertisements Caution This application does not compress the size of the video because it is designed to be used and discarded after the song has been played. The screen recording videos take up storage space, so please delete them when you are done with them. (You should also delete them from “Recently Deleted Items” to free up storage space.) FAQ Q. How can I get videos for practice? A. Record a video of the game you want to practice on your iPhone/iPad. Q. How do I record? A. Activate the "Screen Recording" function from the Control Center to record Q. I can't find the "Screen Recording" button in the Control Center. A. Go to "Settings" > "Control Center" to add a control Supported Models - iPhone with iOS 17.0 or later - iPadOS 17.0 or later iPad
ずんだボイス2
This app allows users to generate lip-sync videos using custom characters and voice. It offers advanced customization for voice, speed, and tone, with both online and offline processing options. Users can save, edit, and share their creations.
- Lip-sync video generation
- Custom character support
- Advanced voice customization
- Online and offline processing
- Speech synthesis
- Audio saving and sharing
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ずんだボイスは、VoiceVoxエンジンを使用した高品質なテキスト読み上げアプリです。 【主な機能】 ・テキストを入力するだけで、ずんだもんの声で読み上げ ・完全オフライン対応 - インターネット接続不要 ・音声ファイルの保存・共有機能 ・読み上げ履歴の管理 ・ダークモード対応 【キャラクター】 ずんだもんをはじめ、VoiceVoxの様々なキャラクターの音声を利用できます。追加の音声モデル(VVMファイル)をインポートすることで、さらに多くのキャラクターを追加できます。 【注意事項】 本アプリはVoiceVoxエンジンを使用しています。音声合成にはVoiceVoxのライセンスが適用されます。
Screenshots
Verdict
The clearest difference is in-app purchases: OTOGE trainer at none against ずんだボイス2's 3. OTOGE trainer also leads on ads (none vs shown) and update cadence (daily vs every 2 weeks). ずんだボイス2's advantage is iOS requirement (15.6 vs 17.0). On price and device support 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
Both are free to download. ずんだボイス2 sells 3 in-app purchases, starting at $0.99 per month. OTOGE trainer asks for nothing beyond the download.
OTOGE trainer ships an update daily, ずんだボイス2 every 2 weeks. The most recent releases landed on September 16, 2026 and September 13, 2026 respectively.
| Parameter | OTOGE trainer | ずんだボイス2 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (13 ratings) — better |
| Positive reviews | — | 73.0% of reviews |
| Number of ratings | — | 13 — better |
| Update frequency | Daily — better | Every 2 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 3 MB | 263 MB |
| Age rating | 4+ | 4+ |
| Developer | flow LLC | Toraichi Igarashi |
In-app purchases
OTOGE trainer
No in-app purchases
ずんだボイス2
- subscription$0.991 Month
- 年額$9.991 Year
- One-time Puechase$11.99








