Let's take your idea to a higher level.
Software engineer with 5+ years of experience on mobile applications development. I spent most of this time developing iOS applications and I have developed features based on geolocation, push notifications, in-app purchases, bluetooth, offline local storage and database sync and so forth, for all iOS devices' screen sizes. And I'm familiar with the whole process to upload an app to iOS App Store, since the very beginning.
If you want a "get things done" mentality you really should choose me to give a boost to your idea/product!
I prefer to work at night, so we can communicate through emails or Skype. About payment terms we can work with 50/50 (50% at the beginning and 50% at the end) or weekly or monthly... we can figure out something