How to Turn Your Google Site into a Mobile App

 

The 7 Minute Workout - How I Got 2.3 Million App Downloads

https://stories.appbot.co/how-i-got-2-3m-app-downloads-without-spending-a-cent-on-marketing-f4823b6bc779

Make Your First iPhone App

Below is a bootcamp class Angela teaches:

https://www.udemy.com/ios-12-app-development-bootcamp/

Microsoft Virtual Academy

https://mva.microsoft.com

iOS App Development

Download Xcode 9
Swift Cheatsheet
Xcode Keyboard Shortcuts
Xcode Installation Issues
iPhone Resolution
App Icon Dimension and Requirements
Apple's Human Interface Guidelines 
A Brief History of Graphics 

Troubleshoot Swift Sdtilib Tool Error 

Other Resources:
Hackintosh

Error Handling
Check Error
Global and Local Variables
iOS 12 Resource List 
Property List  (plist)
UIKit
Foundation
Swift Standard Library