About CaptionTwin
Real-time bilingual captions for study and work.
CaptionTwin helps students and professionals follow spoken English with live captions, translations, transcripts, audio replay, and AI-generated study notes.
What CaptionTwin does
CaptionTwin records audio from your browser, turns speech into text in real time, translates it into your chosen language, and saves the session as a transcript with study notes. It is designed for lectures, classroom discussion, meetings, podcasts, and language learning.
Company
CaptionTwin is operated by Zendon Labs LLC, a limited liability company based in Illinois, United States.
Data and safety
CaptionTwin uses established infrastructure providers for hosting, transcription, translation, payments, and database storage. We do not sell user data. Details are available in our Privacy Policy and Terms of Service.
Contact
For support, security questions, or school network allowlist requests, email hello@captiontwin.com.