Show HN: Open-source, offline voice typing and live captions for Android
leumon Friday, December 12, 2025
I recently tried the desktop app Handy (handy.computer) and found it working quite well, so I decided to port the concept to Android.
Since I use GrapheneOS, I was also missing the "Live Caption" feature from stock Android, so I implemented that too. It runs entirely offline, no data leaves the device.
Summary
This article describes the development of an Android app that can transcribe speech to text in real-time, with features like speaker identification and offline mode. The app is designed to be a practical tool for various use cases, such as transcribing meetings or lectures.
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github.com