Get number of total messages in Facebook conversations (2017) - YouTube
Confluence Mobile - Dimagi Confluence
Messenger App for Fast Food Calorie Counting | Use Messenger to count calories when you go out. Just click Send Message to get started, and say hello to your new friend.
Unread message counts, new preset themes and more - TalkJS - Changelog
badge on outlook ,whatsapp that can show a counter of unread messages
All-in-One Messenger
Message Counter - App Page
29 best Facebook Messenger tips, tricks and secrets | Stuff
Facebook's Hidden Messages
How to Count Messages on Messenger (Messenger Message Counter)
WhatsApp, WeChat, Facebook Messenger, and more: Global usage of messaging apps and statistics | Sinch Engage