Looks quite nifty but the app costs are really high! For a decent iPhone app your now looking at launching at free and you want to be in the millions of MAU and

Looks quite nifty but the app costs are really high! For a decent iPhone app your now looking at launching at free and you want to be in the millions of MAU and 100,000's of DAU to be a serious contender. This would make the app a very expensive service to base your service on?