Comparison

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.

Head to head
About

OTOGE trainer

Features
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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

About

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.

Highlights
  • Lip-sync video generation
  • Custom character support
  • Advanced voice customization
  • Online and offline processing
  • Speech synthesis
  • Audio saving and sharing
Features
Read full description

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

OTOGE trainer2 screens
ずんだボイス23 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
OTOGE trainer versus ずんだボイス2: the parameters behind the verdict, then further details
ParameterOTOGE trainerずんだボイス2
PriceFreeFree
Rating—4.8 (13 ratings) — better
Positive reviews—73.0% of reviews
Number of ratings—13 — better
Update frequencyDaily — betterEvery 2 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size3 MB263 MB
Age rating4+4+
Developerflow LLCToraichi Igarashi

In-app purchases

None

OTOGE trainer

No in-app purchases

3 purchases

ずんだボイス2

Subscriptions2
  • subscription$0.991 Month
  • 年額$9.991 Year
One-time1
  • One-time Puechase$11.99

Questions

Is OTOGE trainer free?
OTOGE trainer is free to download, with no in-app purchases.
Is ずんだボイス2 free?
ずんだボイス2 is free to download, with in-app purchases available.
Do OTOGE trainer or ずんだボイス2 have ads?
ずんだボイス2 shows ads; OTOGE trainer does not.
Which is updated more often, OTOGE trainer or ずんだボイス2?
OTOGE trainer ships an update daily, and ずんだボイス2 every 2 weeks. Most recently, OTOGE trainer was updated on September 16, 2026 and ずんだボイス2 on September 13, 2026.

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