What is the success rate of Apps submitted to Apple?
Apple reviews each and every submitted app, and there are many reasons they reject apps. 100% of all the apps created through uBuildApp been approved, most on the first try. When Apple rejects an app we go back to the author and make a few suggestions for them to modify their app. Every one of these apps has been accepted on the second try.
A hint for developing an app: make is appealing to the widest range of audience.