Right now I'm maintaining: * Messenger for family and some friends * WhatsApp for group chats and most of my friends * SMS for older family members * Signal an

Right now I'm maintaining: * Messenger for family and some friends * WhatsApp for group chats and most of my friends * SMS for older family members * Signal and Telegram for a select few privacy-conscious friends And at least one family member uses three of these, and it's a toss-up which one he'll use at any given time.