Well, the biggest cost here wouldn't be in the app, but in the server infrastructure. As usual with connected apps, people often forget they have to be connected to servers. The app itself is just a view to what the servers provide, so it's not the major cost. 20K $ to 100K $ should be enough. On...
Knowledge source:- I'm an app developer myself (heading app development company www.agicent.com. I believe you understand that an App like OpenTable basically has 3 major parts; 1. one is the end user App that you see on the front end on iOS or Android, (native) 2. Another is an App or a web po...