The famous blog Outils Numériques, written by Eric Bouchet, looks back at his discovery of Opendo.

Eric deconstructed the user experience on Opendo and presents in turn his opinion and Opendo's flagship activities.
The comparison with our competitors, Klaxoon or Kahoot for instance, allows us to highlight the simplicity of Opendo and its intuitive side!
An article to read online here on the blog