You can enable zaps to notes on damus testflight. All you need is to run this script
nostr:note1gjd2str0tfqvrcwdttskxkd52vmsagc477gsr858k0ug86nuj60qzn6uas
TestFlight link
https://testflight.apple.com/join/CLwjLxWl
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Seems to be full now. Could be more open spots soon. Not sure