Given I am offline
 When I want to access the courses
 Then I should access the courses

There are multiple solutions.

• Service Workers are probably one of the best solutions for mobile.

  Pros:

  • A button to "install" the website on the desktop just like an app.
  • No packaging of native apps needed.

• Package native apps.

  Cons:

  • Fastidious.
  • Android + iOS + …

• Package hybrid apps.

  Cons:

  • Packaging pipeline is not trivial
  • Android + iOS + …

• …