Gotta be honest I've used Syncthing for a while and the forked app too, but yet again gone back to SMB2Sync
I don't know if it's the nerdiness or granular nature of it, but I prefer it and I don't have to worry about the client/device being up to date like you do with Syncthing?
Indeed!
You can grab a fancy QI stand for like £16 not to mention OP is gonna fuck up their S21 battery using as such.