You can share a free one-flight activation for real-time alerts / automated online check-in with your friend and you'll get one as well! Important: It should be one of your friends who doesn't have the app yet.
Below you'll find some step-by-step instructions on how to get a free one-flight activation for you both:
Please go to your Profile -> Click on the "App Settings" at the top right corner
Then scroll down to the "Subscription" widget and click on the "Free Notifications" button
Now you can choose your preferred method to share it with your friends
Go to your Profile -> Click on the menu icon at the top left corner
Then click on the "Earn activations" widget
Tap on "Share" and choose your preferred method to share it with your friend