Some accounts are not showing up with a zap symbol. Like @npub1s5yq6wadwrxde4lhfs56gn64hwzuhnfa6r9mj476r5s4hkunzgzqrs6q7z you don't have a Lightning wallet?
Discussion
I think if they are on Damus and not in the test flight, it’s not available until Apple App Store approval.
🤙🏻