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.
We always tell our curious onlookers that the cost of making an app varies on the features and platform that the app requires. You can search around on the internet and find that the cost for app development will range anywhere from $3,000 - $250,000.There are many factors to consider when looking at app development cost. The first is how much will the developers do for you.he majority of the cost of app development is the salary of the developer. App developers cost anywhere from $40 - $70 per hour. This may seem like a very high salary to pay a person.