Commonly, for web app hosting, the cost ranges between $70 to $320 per month, relying on the information it uses, the expected number of users, and average scalability. Cloud services like Amazon Web Services (AWS) are generally less expensive and you can pay only for what you will use. To host Web apps on AWS Serverless, it depends on type of usage, that you need to figure out what kind of server is required, for what kind of server app is suitable, what type of data used by it and others.