One library. Your sources.
Local files, iCloud Drive and RSS podcasts. Ultra adds SMB/NAS, Navidrome, Jellyfin, Audiobookshelf, WebDAV, SFTP and DLNA.
SourcesOrganizing episodes with Castro’s Inbox and Queue? Compare it with one queue for podcasts, books and music.
Castro organizes podcasts with an Inbox and Queue. Castro Plus adds features including iCloud Drive sideloading, silence trimming and advanced chapter controls.
CLAUDIO offers RSS, search and streaming for two podcast subscriptions free. A one-time Pro purchase adds further subscriptions, downloads, OPML, speed, silence trimming and sleep timer.
Source: Castro · Website / Docs| Feature | CLAUDIO | Castro |
|---|---|---|
| Speed and silence | Speed, pitch correction and silence trimming with Pro | Silence trimming with Castro Plus documented |
| Your own files | Local files and iCloud Drive free | iCloud Drive sideloading with Castro Plus |
| Organization | Shared queue, lists and Smart Lists | Podcast Inbox and Queue |
CLAUDIO combines podcast episodes, audiobook files and music in a shared queue. A one-time Pro purchase adds OPML, read-along and smart rewind. Ultra or Pro+ adds supported media servers.
PodcastsSelected listening scenarios, not a comprehensive product review. Other apps are described using official sources, checked on 9 November 2026. Trademarks belong to their respective owners; no affiliation or endorsement is implied.
PricingLocal files, iCloud Drive and RSS podcasts. Ultra adds SMB/NAS, Navidrome, Jellyfin, Audiobookshelf, WebDAV, SFTP and DLNA.
SourcesM4B and MP3 chapters, smart rewind, speed and silence trimming. Chapter-end sleep timer, Knock to Resume on iPhone/iPad and ten background sounds.
Audiobooks10-band EQ and AutoEq for more than 6,000 headphones, ReplayGain, gapless and crossfade. Plus LP Mode, Album Wall, lyrics and scrobbling.
MusicTranscripts are created on-device. For fully downloaded audiobooks and podcasts in supported languages; unverified on Mac.
FeaturesPodcast downloads with Pro. Server and iCloud pinning, CarPlay and casting with Ultra. CarPlay and casting use eligible local or downloaded content.
FeaturesNo CLAUDIO account. Usage data only with consent. Pro and Pro+ are one-time purchases; Pro+ permanently includes Pro and Ultra and supports Family Sharing.
PricingCLAUDIO’s feature set by listening situation, with the required plan. Each feature links to its explanation.
Ultra includes Pro. Pro+ permanently includes Pro and Ultra. Read-along requires fully downloaded files and a supported language; unverified on Mac. CarPlay and casting require eligible local or downloaded content. Availability depends on format, source and playback path.
Explore all the featuresStart with your own files. For free.