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Öffi Sounds vs Tsacdop-Fork: catalog facts
Öffi Sounds	Tsacdop-Fork
Free Free and open source under the GPL-3.0.	Free Free and open source under the GPL-3.0-or-later license.
Android	Android
Built-in discovery of ARD Sounds content Keeps AntennaPod's podcast management and playback	Updated interface over the original Tsacdop Bug fixes and added usability features
Content focus is German-language public radio Fork that depends on upstream AntennaPod changes	No gpodder sync Podcast search APIs currently unsupported
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0-or-later
Not stated if an account is needed	No account 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.