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I was about halfway through the game when i was just waiting, waiting for daily prizes in the form of starseeds. 2 weeks went by and i got my prize each day, half of those prizes were coffees. Long story short I personally figured this out:
Open zodiac islands on iphone. exit back to main menu. Go to settings, turn off wifi, go to general settings, turn off network(cellular data). go back to zodiac islands, go to menu then tamer. it should say cannot get daily prize. go back to settings and turn network(cellular data) back on and go back to zodiac islands. wait three seconds then click the daily prize. it should still say cannot get daily prize but it will give it to you when you click on it.