The cost of developing a NodeJS application is heavily influenced by the various features and functionalities of the applications. The complexity of the application, integration with third-party service features, and maintenance and support also factor into the application development cost. An average NodeJS developer charges between $25 and $50 per hour. The entire cost of developing a NodeJS web application can range from $12,500 to $40,000. This depends on how long it takes to construct your web application, which could take anywhere between 500 and 800 hours.