In order to become a Grin Prime Member, you need to follow the following steps:
- Open the Grin mobile app in your iOS or Android device.
- If you don't have an active session, sign-in with your account.
- On the main screen of the app, click on the profile menu icon at the lower-left corner of the screen.
- Select the My Prime subscription option on the menu.
- In the Subscription management screen, press the button to subscribe.
- Wait a couple of minutes and you should receive a confirmation message.
- Your subscription should now be active and will be renewed automatically every month.