Hello after having looking for an answer on Google, i didn't find this answer to my question. Furthermore I didn't find a french forum about the topic ! so i m french=i don't have a great English. That is my question: how people like Kevin Systrom by creating an application which is free for every users earn money from it ? Thank you
Hi, as I understand, your question is like: How do free apps make money? Two of the most common ways for developers to make money for their FREE Apps is Advertisements & In-app purchases.
Thank you for your reply ! Ok about advertising i ve already heard about it , but for instance when you go on Instagram there IS no advertisings IS there ?
that is fine ! >> http://www.investopedia.com/articles/personal-finance/030915/how-instagram-makes-money.asp