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Castamatic vs Fountain: catalog facts
Castamatic	Fountain
Freemium A free tier is available. Full features require payment.	Free Free to use. Payments to creators come from your own Lightning wallet.
iOS	Android, iOS, Web
Generates transcripts on the device rather than sending audio away Very configurable playback and playlist behaviour	Streams value-for-value payments to independent creators as you listen Full Podcasting 2.0 support including cross-app comments
iOS only Advanced features require a paid purchase or subscription	The payment features assume familiarity with Bitcoin Lightning wallets Catalogue and polish trail the mainstream podcast apps
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account 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.