Can't answer that without knowing the scope. One data point is that back in 2010 I built a few very very small self-contained games for people for like 15k-20k.

Can't answer that without knowing the scope. One data point is that back in 2010 I built a few very very small self-contained games for people for like 15k-20k. No networking or anything at all. Just simple stuff folks had mostly already done and ad-network integration. These usually took about 3-4 weeks. If iOS contractors in the states charged less than $200 an hour these days I'd be surprised.