Android?
here's a quick tutorial on how to send cashu ecash directly on iMessage using Macadamia.
https://blossom.primal.net/9c9a15f5f5ca19f666457e765a1f3c7f74d565cbcd67f9abc0c11abdacf6acc6.mp4
Download Macadamia on iOS -> https://macadamia.cash/
Discussion
Macadamia is iOS only. It’s built in Swift, so apple native.