How To Make An App. Length 30. Finally, an easily step by step on how to make mobile apps. After reading this information you will know the simple steps to quickly creating a profitable app business. Author: Steven Masterson. Now you can learn make your own app. P.S.All purchasers of this title will also get a title of equal value for FREE. I just had to find out what all of this money madness was about (and more importantly, if it was true). So, how do you make an app?