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Player FM vs Castamatic: catalog facts
Player FM	Castamatic
Freemium A free ad-supported tier is available. Premium is a paid subscription.	Freemium A free tier is available. Full features require payment.
Android, iOS, Web	iOS
Topic channels make discovery easier than a raw chart list Cloud sync of position between phone and web	Generates transcripts on the device rather than sending audio away Very configurable playback and playlist behaviour
Free tier is advertising supported with limited offline storage Closed source	iOS only Advanced features require a paid purchase or subscription
Downloadable app	Downloadable app
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 September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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