The cost of building a smart city depends first of all on the number of smart software that you want to build. Building one simple system that manages city traffic will cost around $30,000 depending on the size of an IoT software development development team, number of features, and the complexity of the app.
And building a complex infrastructure that manages the whole smart city is nearly impossible to estimate without further discussion and details. To get an individual estimation of a smart city application development project contact us.