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Letterly
Valencia, Spain
What it is
Letterly turns speech into text for messages, emails, notes, meeting summaries, journal entries, social posts, and other writing. Users can dictate inside apps such as Gmail, Slack, and Notion, or upload audio and video for transcription. Recordings can run up to 90 minutes, and speech is detected across more than 90 languages, including mid-sentence language changes. Users can select preset rewriting styles or create their own. Letterly can record offline and send notes to other apps through Zapier and webhooks. Its MCP connects notes with tools including Claude, ChatGPT, Cursor, Perplexity, Gemini CLI, Codex, VS Code, Windsurf, and Claude Code. Letterly says it does not use user words to train AI; its DPA specifies encryption in transit and at rest, access controls, and regular security testing. Users can delete recordings and transcripts in the app. A free plan and seven-day trial are available. PRO in-app options are $19.99 a month, $44.90 a month for three months, $89.99 a year, $99.99 a year, or $249.99 once.
For and against
For
- Dictation works inside Gmail, Slack, and Notion
- Supports recordings up to 90 minutes
- Detects more than 90 languages
- Can record without internet access
- Users can delete recordings and transcripts
Against
- Services are not tailored for HIPAA or FISMA
- Intended for users at least 18 years old
- PRO options include paid in-app purchases
The verdict
Letterly offers speech-to-text, rewriting, and integrations across multiple platforms, with offline recording and audio or video upload. Readers should consider its stated age and regulatory limits, as well as the paid PRO options.
Who it suits
Letterly suits people who want to turn speech or uploaded recordings into written material across several formats. Its offline recording and language detection may also fit users who dictate in multiple languages.
Plans and prices
PRO Subscription (1 month)
in-app purchase
Read 1 Oct 2026 · apps.apple.com
PRO Subscription (3 months)
in-app purchase
Read 1 Oct 2026 · apps.apple.com
PRO Subscription (1 Year)
in-app purchase
Read 1 Oct 2026 · apps.apple.com
PRO Subscription (12 months)
in-app purchase
Read 1 Oct 2026 · apps.apple.com
PRO Subscription (Lifetime)
in-app purchase
Read 1 Oct 2026 · apps.apple.com
On the record
- AI integrations
- Letterly MCP connects notes with Claude, ChatGPT, Cursor, Perplexity, Gemini CLI, Codex, VS Code, Windsurf and Claude Code.letterly.app · read 1 Oct 2026
- Audio upload
- Users can upload audio and video from any device for transcription.letterly.app · read 1 Oct 2026
- Compliance limitation
- The terms state that the services are not tailored for industry-specific regulations such as HIPAA or FISMA.letterly.app · read 1 Oct 2026
- Data deletion
- Users can delete voice recordings and transcriptions at any time through the application.letterly.app · read 1 Oct 2026
- Dictation
- Users can dictate directly inside apps including Gmail, Slack and Notion.letterly.app · read 1 Oct 2026
- Integrations
- Letterly supports Zapier and webhooks for sending notes to other apps.letterly.app · read 1 Oct 2026
- Languages
- Speech is automatically detected across more than 90 languages, including switching languages mid-sentence.letterly.app · read 1 Oct 2026
- Long recordings
- Letterly supports recordings up to 90 minutes.letterly.app · read 1 Oct 2026
- Offline
- The app can record without an internet connection.letterly.app · read 1 Oct 2026
- Privacy
- Letterly states that user words are never used to train AI.letterly.app · read 1 Oct 2026
- Purpose
- Letterly turns speech into polished text for messages, emails, notes, meeting summaries, journal entries, social posts and other writing.letterly.app · read 1 Oct 2026
- Rewriting
- Users can choose ready-made rewrite styles or create custom rewrite options.letterly.app · read 1 Oct 2026
- Security measures
- Its DPA specifies encryption in transit and at rest, access controls and regular security testing.letterly.app · read 1 Oct 2026
- Support
- Bug reports and support requests can be sent to [email protected] or through Discord.letterly.app · read 1 Oct 2026
- User age
- The services are intended for users at least 18 years old.letterly.app · read 1 Oct 2026
