There are various ways to obtain free coins. These ways are:

  • Opening the Area Chest
  • Completing Bonus Levels
  • Beating normal, hard, and super hard levels
  • With the remaining moves at the end of a beaten level
  • From events like Propeller Madness, Book of Treasure, Team Battle, Team Treasure, Balloon Rise, Pinata Party, Lava Quest, Hidden Temple and Royal League.