Share playlists Mac desktop and iPhone?

I try to figure out whether Audirvana can somehow share FLAC playlists with mobile devices (iPhone X). I don’t want to have to create every playlist on each device. If so, what mobile FLAC player is compatible with Audirvana playlists and vice versa? Is there a tutorial on how to transfer playlists between desktop and mobile device? I assume a requirement is that the directory structures are identical, and that is fine. If not, any suggestion of what combination of hires payer apps on desktop and mobile device will accomplish that? Both should be airplay capable.

Seems like a no-brainer thing to do, but I have hard time finding anything. Thanks.