What is the difference between Microsoft flow and logic apps?

Microsoft flow runs on top of logic apps but there are some differences between them, There are 2 types of flows which user can create in Microsoft flow 1. Automated flows that are free from workflows, which look like azure logic apps 2.Business process flows which will have their base in dynamics represent a very structured business process with different stages.

The azure logic app is mainly used to schedule and automate the tasks unlike azure flow it is most useful in automating the tasks