A mobile app for a reproductive-medicine network consolidates the IVF journey from scattered calls and chats into one clear product, the private center operating across Moscow and the regions was founded by the former chief physician of the federal National Medical Research Center of Obstetrics, we joined at concept and delivered to App Store and Google Play releases grounded in the brand identity and the actual patient journey, SSO greets the patient and opens a personal treatment view presenting a connected route from preparation and retrieval to transfer labs and doctor visits, the calendar sets the rhythm adapts to reschedules and reduces confusion risk, the medication tracker lives in the daily flow and provides clear adherence feedback without pressure, a results section shows transfer date embryo count and quality and fertilization methods used while fresh lab results appointment booking and a secure chat with physicians sit alongside, the interface works in Russian and English supports light and dark themes and preserves the user’s pace, under the hood there is two-way sync with the clinic MIS role-based access action logging and offline and resilient flows on critical screens, the outcome is a single entry point with transparent program progress reduced manual communication and lower risk of scheduling and medication errors while the brand keeps its voice and gains a scalable digital platform