The higher the rank, the bigger the reward.
Refer anyone by following these steps:
Go to the waitlist:
After launching the app, go to the waitlist from the main menu.
Share with Friends:
Click the "Share with friends" button and the new screen will be showed up. Select any option from the multiple options.
Note: You'll receive 10 PHP for every 4 friends. Refer more to increase the cash reward from 10 PHP to 100 PHP.