[a022311]

Depends. One of the reasons I stopped using Spotify was because its offline mode refused to work when my device had all radios off (who even thought of this?). Once I turned on Wi-Fi, even without connecting to a network, it would load immediately.

[Cider9986]

Try Metrolist it's free, fantastic and supports offline caching.

https://metrolist.meowery.eu/