Compare software

Overcast vs Castro: catalog facts
Overcast	Castro
Freemium Free with an optional Premium subscription supporting the developer.	Freemium A limited free version is available. Castro Plus is a paid subscription.
iOS	iOS
Smart Speed and Voice Boost meaningfully improve the listening experience Free with no feature paywall for core playback	Inbox and queue model keeps a large subscription list under control Silence trimming and volume enhancement on the paid tier
Apple platforms only, no Android or web version Podcast discovery is more limited than some competitors	iOS only Most features require the paid 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.