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Whisper Memos vs Letterly: catalog facts
Whisper Memos	Letterly
Freemium Pricing plans are listed on the website.	Freemium Free to start, with paid plans offered.
iOS	Windows, macOS, Android, iOS, Web
One-tap recording on iPhone and Apple Watch Transcripts arrive as formatted emails	Dictation into other apps as well as its own notes AI rewrites speech into structured text
Apple devices only Transcription is delivered by email rather than kept on the device	AI rewriting relies on a cloud service Rewritten output may differ from what was actually said
Downloadable app	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.