# UtterFlow > Live captions for spatial computing. See your words in space. UtterFlow is a visionOS app that provides real-time speech-to-text transcription. Speak naturally and see your words appear instantly in your spatial environment. All speech processing happens on-device for complete privacy. ## Key Features - Real-time live transcription in spatial computing - Command center window for controls and settings - Transparent pop-out overlay that works alongside any app - On-device speech recognition (no cloud, no data sent) - Multiple caption display styles - Works offline ## Links - Website: https://utterflow.app - Developer: Unshackled Pursuit ## Technical - Platform: visionOS 2.0+ - Price: Free with optional Pro upgrade - Category: Utilities