Most people I know are on Signal here (Germany), that includes older relatives.
Alas, for group conversations or bad connection situations (e.g. at a festival), everyone uses WA. Not sure why groups are always WA, but Signal (and actually any other messenger) sucks for bad connections.
Alas, for group conversations or bad connection situations (e.g. at a festival), everyone uses WA. Not sure why groups are always WA, but Signal (and actually any other messenger) sucks for bad connections.