Do you want to develop a worthy FaceApp alternative? But how much does it cost to develop an AI photo editor? Learn the best practices, tips, and the cost in our complete guide. Make your app go viral. HOW TO MAKE A TOP-OF-THE-LINE FACE EDITING APP Do you remember the hugely popular mobile application FaceApp? Developed with AI technology, it allows you to transform photos and see how you would look in old age or in deep childhood. Since its release on Android in February 2017, over 100 million users have downloaded the app on Google Play alone.