GroAssist App aims to support adherence to the daily or weekly growth hormone treatment. Key features include: - Record and track injection history - Track injection sites to help you avoid reinjecting into the same spot twice in row - Data export summary - Refill and appointment reminders - Missed injection reminders - Growth tracker - height and weight growth evolution. 2 types of growth charts - a child-friendly one and the international growth standards (WHO/CDC) chart - Scratch-and-reveal rewards; 3 predefined categories (inspirational, motivational, fun facts) - Toggle on/off specific features to tailor the app to the user's needs and age. Please note: patients will need an access code from their healthcare provider to access the app.