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Castro vs Pocket Casts: catalog facts
Castro	Pocket Casts
Freemium A limited free version is available. Castro Plus is a paid subscription.	Freemium A free tier is available. Pocket Casts Plus is a paid subscription.
iOS	Windows, macOS, Android, iOS, Web, Browser extension
Inbox and queue model keeps a large subscription list under control Silence trimming and volume enhancement on the paid tier	Subscriptions and playback position sync across every platform Volume boost and silence trimming genuinely improve poorly produced shows
iOS only Most features require the paid subscription	Desktop and web apps and some features need the paid Plus tier Account required for syncing
Downloadable app	Downloadable app, Hosted service, Browser extension
Closed source	Open 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.