I\'ve started learning about Microsoft Azure last year and one of the services provided was the Cloud Services. The way I understand Cloud Services is that it is a service m
Microsoft describes differences between App Services and Cloud services like this: http://azure.microsoft.com/en-us/documentation/articles/choose-web-site-cloud-service-vm/
Practically Cloud Services are less stateless and you need do more networking/DR/HA yourself and App services are more stateless and you may use networking/DR/HA out of the box.