During the trial between Epic Games and Apple more Fortnite data has published.
Fortnite paying share is 24,2%, but only 5,6% of users were paying on iOS only.
Fortnite LTV were uncovered during the process too:
PS4 - $97,64
Xbox One - $94,12
Nintendo Switch - $52,26
PC (Windows) -$51,05
iOS - $12,14
macOS - $8,78
Android - $6,62