Haven't; downloading now
Have you tried nostr:nprofile1qqs9ajjs5p904ml92evlkayppdpx2n3zdrq6ejnw2wqphxrzmd62swspzemhxue69uhkummnw3ezumt0w46x7m3wv3jhvqgkwaehxw309aex2mrp0yhxummnw3ezucnpdejqzrthwden5te0dehhxtnvdakqhm2uug yet? I've had some success with it as a nostr based Telegram replacement.
Discussion
Feel free to DM to test and check out their git to learn about how it's transmitting your messages https://github.com/0xchat-app