There are multiple reasons why you would not receive Agendrix notifications. Here are the main ones.
A) My Agendrix Notifications
Your Agendrix notifications are not set correctly. Click here to learn how to manage your notifications.
B) My Phone Notifications
Your phone notifications are deactivated. You must verify under your settings that Agendrix notifications are enabled.
C) Installation Issue
If the two previous previous options are fine in your eye, try uninstalling and reinstalling the app! It should get everything running.