1095 regular users (defined as applying "Medication Plan" at least once a week for at least 28 days) specified their age.

At 28 days after download 23% (124/530) of users <50 years and 28% (156/565) of users >50 years were still using the application at least once a week (p>0.05). The proportion of older individuals using “Medication Plan” at 165 days was significantly higher (<50 years: 9% (46/530) and >50 years 15% (82/565); p<0.004*). After 365 days only 1% of regular users <50 years (6/530) as well as >50 years (4/565) were using the application.