I tried SimpleX but the VPN kill switch on my phone prevents syncing with my computer.
I use telegram primarily as a note taking app with sync features.
Occasionally I send files to friends, so having easy set up for tech illiterate would be great.
Open Signal rewiews on GooglePlay, there’s every third review about this situation. I forgot to mention, i’m talking about the Android version. The ios version works on ipad at the same time