The problem (for the developers) with Threes is that it cost $1.99 to buy. If they made the app free and monetized with ads/iaps (ie, how all major apps monetiz

The problem (for the developers) with Threes is that it cost $1.99 to buy. If they made the app free and monetized with ads/iaps (ie, how all major apps monetize), they would have a much more successful app.