Discover what Letterly is, a mobile app that turns voice notes into clear, well-written text for messages, notes, and social posts.

Letterly is a mobile app that turns your spoken words into polished, well-written text. Record a voice note and its AI converts your speech into clear, coherent writing — useful for quick messages, notes, or social media posts. The app is user-friendly and includes convenient features like sharing and copying text, plus rephrasing options.
Letterly was created by Jonathan Holden, who developed the app to make writing tasks easier. He collaborated with linguists on its creation.
Letterly’s core functionality is voice-to-text: you speak, and the AI produces well-written text. Common uses include:
Letterly suits anyone who prefers speaking over typing, including:
The result is structured, readable text generated from your spoken words, ready for messages, notes, social posts, and other writing tasks.
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