Table 1.

User distribution between university students and hospital medical personnel since the launch of the final version of the HeadToToe platform in March 2019.

Users and devices		App downloadsa, n (%)	Potential usersb, n	Potential yearly renewalsc, n
University of Geneva students
	Total	622 (100)	750	150
	Users with Apple devices	430 (69.1)	N/Ad	N/A
	Users with Android devices	192 (30.9)	N/A	N/A
University Hospital of Geneva health professionals
	Total	613 (100)	1900	300
	Users with Apple devices	409 (66.7)	N/A	N/A
	Users with Android devices	204 (33.3)	N/A	N/A

^aIncludes multiple-device downloads by the same user.

^bRepresents an estimated number of members of the target audience in the mentioned institutions.

^cAn estimate of new institutional students or employees, based on mean number of new medical students per year as well as mean number of new medical staff in our institution.

^dN/A: Not applicable.