To share a playlist, please follow these steps:
Open the Insight Timer app.
Tap the Saved tab (fifth icon at the bottom of the screen).
If Playlists is not visible, tap Edit in the top-right corner to add it to your list.
Select Playlists and find the Playlist you would like to share.
Tap the three dots (⋯) beside the playlist title.
Select Share.
You can then choose how you would like to share the playlist.