Very good summary by Geert Claes 

Confusion galore!
A lot of people are — understandably so — very confused when it comes to innovation methodologies, frameworks, and techniques. Questions like: “When should we use Design Thinking?”, “What is the purpose of a Design Sprint?”, “Is Lean Startup just for startups?”, “Where does Agile fit in?”, “What happens after the <some methodology> phase?” are all very common questions.

https://blog.usejournal.com/when-which-design-thinking-lean-design-sprint-agile-a4614fa778b9

and an useful infographic on top: