Inscrivez-vous ou connectez-vous pour rejoindre votre communauté professionnelle.
I am planning for next version with some in-app purchases features. Please provide me your feedback so that I can take them into consideration in next release. Here is my app: http://krazzyapps.com/matrix.html
Take care of your users
Watch wwdc2014 videos ,specially Preventing Unauthorized Purchases with Receipt
Read apples's guide lines before you stard developing your app