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.
Again, you can always hire a designer or developer to do this for you on an hourly basis ($30-$80/hr for a designer and $80-$180/hr for a developer). The website setup cost can be as low as $5 (cheap hosting service) if youâre willing to do it all by yourself.