SoulSync is a music discovery and library completion manager. It bridges the gap between your listening habits on platforms like Spotify, Tidal or Deezer and your high-quality personal library hosted on Plex, Jellyfin or Navidrome.

The application analyzes your playlists using version identifiers (snapshots) to effectively detect changes, then performs a fine-grained comparison with your library to identify missing tracks. The artist discovery feature retrieves the complete discography and shows at a glance which albums you already own and which ones need to be completed.

SoulSync associates each track with its official metadata and prioritizes high-fidelity formats such as FLAC. Hosted and maintained by DINAO in France, it becomes a sovereign library assistant, without entrusting your listening activity to a third-party service.