Amazingly detailed

If you want to get into free-running, this is the go-to reference app.

Pros:
1) Features over 100 unique movements in normal AND slow motion speeds
2) Categorization of movements by level of proficiency to ensure safe progression
3) Details explaining key elements of every move
4) Step-by-step, detailed walk through for mastering a move
5) Decent video quality
6) Videos are concise and to the point
7) User-friendly app navigation

Needs improvement:
1)

PaFe10 about Lets Parkour PRO