I receive and send zaps with Alby on Nostr. But for mobile phone, Wos. WoS is nice because its all-in-one Bitcoin and LN, great for micro-transactions on the go world-wide, without the confusion of LN vs on chain. This is one of the challenges reported when visiting El Salvador and paying locals. For LN I support WoS because its the path of least resistance, and most user friendly for newbies. I personally would prefer something like Phoenix, but for the sake of fluidity with other users in the field I see the value in WoS from many aspects.