Play with apps from the code up. make edits and see what happens.
experiment and play.
Take your first look into the world of an App Developer. Try out these small projects and experiment safely by making changes to the code, seeing what happens. If you want to go further, try out the challenges to see if you can come up with a solution and add more to the app.
About
John Haney
John started coding at age 8 by copying tiny programs from a book like this one. He has been an App Developer since 2008 and has over 100 million downloads and apps which have been featured on the App Store.