Scaling an App Service Plan

Q. When I scale an Azure App Service Plan does it impact all applications deployed to it?

A. Yes. An App Service Plan is created which is of a certain type and size. Scale operations are applied at a service plan level. Applications are then deployed to an App Service Plan and multiple applications can be deployed to the same App Service Plan. As the App Service Plan scales all applications scale uniformly with the plan. You cannot independently scale an application, only the plan.