May 30 202310:22 PM
App Service Plans are priced based on the size and number of instances you run, and they are billed on a per second basis. For your case on the S2 plan, a single instance will cost $0.20/hour.
Depending on the number of default instances and maximum number of instances, you will get charged accordingly.
For another example on this topic, take a look at this community question
For more information about Azure App Service Plan pricing see this link