What it does: Cassette is a native iOS and macOS music client for streaming and downloading music from self-hosted Subsonic and OpenSubsonic servers.
Server compatibility: Cassette works with Subsonic-compatible and OpenSubsonic-compatible servers, and the maker recommends Navidrome as its primary-tested server.
Playback features: Cassette lists background playback, lock screen and Control Center controls, AirPlay, lyrics, shuffle, repeat, and queue management.
Audio formats: The maker lists FLAC, MP3, AAC, WAV, and Ogg/Vorbis playback.
Library features: The app supports browsing playlists, artists, albums, downloads, and favorites, along with full-text library search and pinned albums and playlists.
Integrations: Cassette lists ListenBrainz scrobbling and recommendations, iOS home-screen widgets, and experimental Discord Rich Presence through a companion helper.
Privacy: The maker says Cassette has no accounts, ads, tracking, or telemetry, and that traffic goes directly between the device and the user's server.
Credential storage: Cassette stores server credentials in the iOS or macOS Keychain.
License: Cassette is open source under the MPL-2.0 license.
Requirements: Cassette requires iOS 18 or later or macOS 15 or later and a running Subsonic, OpenSubsonic, or Navidrome server.
Availability: The iOS app is distributed through TestFlight and the macOS app is installed through Homebrew as a notarized build.
Support: The maker directs users to [email protected] and GitHub Issues for feedback and bug reports.
Maker: The product site identifies Mathieu Dubart as Cassette's maker; his site describes him as based in Annecy, France.
Price from: Free

Where it ranks on Freedom251

Best Music Streaming Software in 2026#42 of 62

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Sources

getcassette.app· checked 11 Oct 2026
github.com/CassetteLab/cassette· checked 11 Oct 2026
mathieu-dubart.fr· checked 11 Oct 2026