I am not sure since I am using Android like a poor person. But afaik apple doesn't like zaps and you have to run some sort of script to enable it. Maybe check the Damus repo, some how-to sources or nostr:nprofile1qqsr9cvzwc652r4m83d86ykplrnm9dg5gwdvzzn8ameanlvut35wy3gpz3mhxue69uhhyetvv9ujuerpd46hxtnfduq3qamnwvaz7tmwdaehgu3wwa5kuegpz4mhxue69uhhyetvv9ujumt0wd68ytnsw43q3ttcfs's notes