Where’s my coins??

I invite my friends, right, they've used the app for about 2 months now. Got about $5 now, and yet it says "no friends have walked yet" WHAT??? I literally checked my friends phone and it says they've collected about 8,000 coins but it's not rendering on my phone and I'm just wondering if it happened for anyone else. The reason I'm kinda upset about this is because it says I'll get 1,000 coins for every friend I "invite and then collects 500 coins" and I just want the coins, pls.