You should be able to check your personal highscores, and the design that got you that highscore.
cooper James shackleford commented
To be in it try boulder ramp like I did.Try and make it 64 dollars like me.
How can you learn? To improve is the goal. Show image of winner designs.
Josh Robinson commented
This could be done by adding game center support. Not replacing current leaderboards though, but supporting both.
Good idea - this would stop me having to save every good design, with the cost as the save name.