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Diktafon vs AudioPen: catalog facts
Diktafon	AudioPen
Free Free and open source under the MIT licence.	Freemium Free to start with no card needed; paid plans add more.
Android	Windows, macOS, Android, iOS, Web, Browser extension
On-device transcription and summaries Memos organized by topic as cassettes	Rewrites spoken thoughts into structured text Choice of writing styles
Young project with a small history On-device AI may be slow on older phones	Audio is processed in the cloud Rewriting may change wording you wanted kept verbatim
Downloadable app	Downloadable app, Web application, Browser extension
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Needs internet
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.