Very soon, you will be able to pay multiple people offline using just a QR code, which you can store on your Apple Watch. 

For example, with this voucher, 20 people can each receive 50 sats, it's coming to Zapit.live
https://i.nostrimg.com/11fbb00e4194facfddd250aaa5df24948a53964ef1cd8963bb2e870a92427334/file.jpg