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Castamatic vs Downcast: catalog facts
Castamatic	Downcast
Freemium A free tier is available. Full features require payment.	Paid A paid purchase or subscription is required.
iOS	macOS, iOS
Generates transcripts on the device rather than sending audio away Very configurable playback and playlist behaviour	Per-podcast rules for downloads, playback speed and episode retention iCloud sync across every Apple device including Watch and TV
iOS only Advanced features require a paid purchase or subscription	Apple platforms only Paid purchase or subscription depending on platform
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.