In string theory, one of the many vibrational states of the string corresponds to the graviton, a quantum mechanical particle that carries gravitational force. Thus string theory is a theory of quantum gravity.
Their average web application development cost is around $500K and their staff or contractors' salary is in the six figure plus range. Their proposals are usually based on a lot of fluff with the development rate ranging from $400 - $800 per hour. These types of companies focus on custom development.
So, how much does it cost to develop an app? Letâs look at the different options you have at your disposal: 1. Pay a software company or mobile app development agency to build your app. (Most expensive) 2. Pay a freelancer to create your app for you. 3. Buy an app template or starter kit and hire a freelancer to customize it. 4.