Echo turns speech into editable text for messages, email, notes and prompts. See text arrive as you speak, then review and edit it. Quick provides transcription without LLM rewriting; Polish is optional AI editing. A personal dictionary lets you manually save names, project terms and specialist vocabulary. Echo supports Chinese-English mixed-language input, an iPhone keyboard for compatible text fields, and a Mac voice-input workflow. Speech recognition and AI editing use cloud services and need an internet connection. Recognition can make mistakes, so review important text before sending. Free download with paid subscriptions; available features vary by platform and version.