Why do my apps not have notification numbers?

[AC Question]

I started using my OnePlus 3 about 2 days ago and can not figure out how to get the little notification numbers (showing unread messages, Whatsapps and emails) working. Tried Googling and searching the forum with no luck.

 

[VidJunky]

It simply may not be available on your device. While the app is essentially the same from supported device to supported device not all devices are created equally. In the same token versions of apps can vary from device to device and OS to OS. If you recently changed devices be sure to check the Play Store for updates and ensure you have the most up to date app version for your device and OS.