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 option.

How it works:

Hold the microphone button and speak
Your words appear in real time, sized to fill the screen
Release to finish — tap again for a fresh message
Perfect for:

Noisy environments (concerts, construction sites, crowds)
People who are deaf or hard of hearing
Non-verbal communication
Presentations and live demos
Getting someone's attention across the room
Speech therapy practice
Features:

On-device speech recognition — fast, private, no internet required
Auto-sizing text that fills the full screen
Landscape orientation for maximum readability
Customizable text and background colors
Light and dark mode support
Multiple font options (System, Mono, Serif)
All Caps mode for extra impact
Type-to-display via keyboard
9 languages supported
Keep Awake mode — screen never dims
No accounts, no ads, no tracking
Big Voice processes everything on your device. Your words are never sent to a server. It's fast, private, and works offline.