It will be essential for them to sign up, and use the app for you to be able to earn points from referrals. The more they use the app, the more you earn.
a) You can get up to 500 points when they sign up and play a song, plus 5% of their music earnings for life.
b) You can earn up to $25 in points per friend by getting 3500 points each time they redeem for $3 or more, up to 10 redemptions! So invite 10 friends and earn up to $250 in points.
Please refer to the Invite Tab on the Mode Earn App to get your referral link, as well as for more information and disclaimers.