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SoundTree Recorder vs Diktafon: catalog facts
SoundTree Recorder	Diktafon
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the MIT licence.
Android	Android
Hierarchical topic tree for organizing recordings Bookmarks for marking moments in a recording	On-device transcription and summaries Memos organized by topic as cassettes
Android only No cloud sync or backup built in	Young project with a small history On-device AI may be slow on older phones
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: MIT
No account needed	Not stated if an account is needed
Works offline	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.