How to Use OpenAI's Whisper in React Native
Beto, October 27, 2025 · 10,686 views
Speech to text with no API key, no server, and no network connection. Whisper runs entirely on the phone, handling transcription and translation in React Native on both iOS and Android. I demo the whole thing in the video, including speaking Spanish and getting English text back.
What's inside
- Downloading Whisper models from Hugging Face, from the 74 MB tiny to the 500 MB small
- Storing models on device with Expo File System so everything works offline
- Running live transcription sessions on iOS and Android
- Why real devices beat emulators for audio testing
- Transcribing pre-recorded audio files, not just live speech
- Translating spoken Spanish into English text on device
Resources
CourseReact Native course
17 sections and 800+ minutes, from fundamentals to shipping on the stores.
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