VoiceRuby - 英語音声の文字起こし・ルビ訳・翻訳

Content rating
Everyone
10+
Downloads
Content rating
Everyone
In-App Purchases
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About this app

VoiceRuby is an English listening support app that transcribes English audio in real time and displays furigana (pronunciation guides) and AI translation.

■ Three Modes
・Instant Furigana Translation: Displays furigana on the spot using the built-in dictionary (approximately 21,200 words and 5,300 phrases)
・Live AI Translation: Displays natural, simultaneous interpretation-style Japanese translation by AI in real time
・Hybrid: Displays a combination of furigana and AI translation

■ Recommended for:
Can be widely used for English learning by junior high, high school, and university students, as well as for business English conversation, English news, and understanding overseas videos.

■ Login Method
Easy login with a 6-digit code sent to your email address or your Google account.

■ Plans
In addition to the free plan, we offer pay-per-use and subscription plans based on usage time.
The free plan allows you to use up to 1 hour per month, with each session lasting up to 15 minutes.

■ Usage Notes
The app uses a microphone to pick up and recognize ambient sounds (speakers, TV, etc.). It cannot be used with headphones or headsets. Simultaneous video playback and this feature cannot be used on smartphones.

For detailed instructions, please check the "User Manual" page, and for frequently asked questions, please check the "Support" page.
Real-time transcription, furigana (pronunciation guides), and AI translation of English audio. Suitable for a wide range of uses, from English language learning to business English meetings.
Updated on
Aug 29, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • This app may collect these data types
    Personal info, Financial info, and Device or other IDs
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

英語音声のリアルタイム文字起こし、瞬間ルビ訳、AI翻訳(ライブAI翻訳・ハイブリッド)をご利用いただけます。
Content rating
Everyone
In-App Purchases
Learn more

App support

About the developer
HIROKI IKITO
ikitonic@gmail.com
Japan