iPhone, Android, Blackberry Apps

Mobile application very similar to Vinspired app that is currently available on iPhone and Android app store. There will be slight variation, one being the ability to find volunteer opportunity globally unlike vinsipired which is limited to local. Specs and requirements will be provided, but, at this point looking for quote - 1) cost for iPhone only 2) cost for iPhone and iPad 3) cost for Android only 4) cost for Blackberry only 6) cost for iPhone, Android and Blackberry 7) cost for all the platforms Ideal would be if the app is accessible on any mobile platform.