Lack of granular settings for notifications, wonky integration with the desktop client, groups, your id is your phone number.
There isn't much that's wrong per se, but when compared to e.g. Telegram it's much worse.
There isn't much that's wrong per se, but when compared to e.g. Telegram it's much worse.
To be fair Telegram, privacy and security concerns aside, is a pretty high bar. Surely Facebook has the resources to make an exceptional app, but apparently they don't think it'd be worth it for them. I really wish something like Matrix had clients as good as Telegram's!
Outside of SMS, I only use Skype, Slack and Whatsapp for instant messaging, and in terms of spam, SMS, which is bound to my number, gets the most spam, which is already quite rare.