The point is, you don't need to pay to develop an app, you only need to pay for submitting it into the app store. So perhaps I should have added a disclaimer to

The point is, you don't need to pay to develop an app, you only need to pay for submitting it into the app store. So perhaps I should have added a disclaimer to my statement and not just limit it to precisely what I expressed. I did not intend to make a statement about the submission fee.