Letterly App

Available on iPhone, Android, Web, Mac, and iPad with unlimited recording capability, Letterly supports audio clips up to 90 minutes and processes them at 95100% accuracy in quiet environments, covering over 90 languages for global user accessibility.

The platform's AI does more than transcribe: it actively restructures and rewrites captured speech into the output format the user selects.

With 27 different rewrite options available, users can capture a rough spoken thought and have Letterly transform it into a professional email, a structured meeting summary, a LinkedIn post, or a personal journal entryeach with the appropriate format, tone, and structure for its intended destination.

This rewriting layer eliminates the gap between the informal quality of natural speech and the polished quality required for professional communication.

Automatic speaker detection enables Letterly to identify and differentiate between multiple voices within a single recording, making it particularly useful for meeting notes, interview transcripts, and multi-participant discussions where attribution of who said what is important for the usefulness of the resulting document.

Tagged note organization lets users categorize recordings for retrieval, while the ability to send notes anywhere using Zapier integrations or custom webhooks enables Letterly to connect seamlessly with tools like Google Docs and Notion.

A distinctive capability that differentiates Letterly from simple transcription tools is its ability to serve as a voice-captured context source for AI models.