Too Long; Didn't Read
The Apple App Store has 1.96 million apps available for download. The average person uses 9 mobile apps per day and 30 apps per month. More than 62% of those apps don’t get used every month. There is almost no space for the app you are creating. If you still want to develop your iOS app try to do it as fast as possible. Use all the prototyping tools you have these days can be a great booster) and try to fail as soon as possible.