Fig. 2
From: The regulatory status of health apps that employ gamification
Selection process of apps. The included apps were in the Top 50 ‘free’ and ‘paid’ apps, as listed by the iOS AppStore and Google PlayStore, in the categories ‘Medical’ and ‘Health&Fitness’; and (ii) from the five EU Countries with the largest populations, Germany, France, Italy, Spain, and Poland, (these countries represent 66% of the total EU population).
