Yes — on Google Play
Big Voice - Speech to Big Text has a Google Play listing.
App Store
On Google Play
Is Big Voice - Speech to Big Text on Android?
About Big Voice - Speech to Big Text
Big Voice turns your speech into large, bold text in real time — filling your entire screen so anyone nearby can read what you're saying. Just hold the mic button, speak, and your words appear instantly in the biggest text that fits your display. It's the simplest way to communicate when speaking louder isn't an op…