Generally, it will cost you around $20k-$25k for building a progressive web app. Moreover, the cost of developing a PWA will rely on various factors such as features you want to integrate into it, the location of your developers, and how soon you need it up and running.
If you hire Progressive Web App developers from any region in the USA, UK, or Europe – it will cost you more than working with PWA developers that reside in Asia countries like India.