Darmankade is the first online medical consultation and appointment booking in Iran. More than 1000 doctors are members of Darmankadeh complex and use its services. This application has been redesigned in 3 versions so far, and in each redesign, various researches and tests have been done on the product and the conversion rate has increased significantly. Processes such as usability testing, information architecture, A/B testing, focus groups, UX writing, findability, navigation and UI design have been carried out in this product. Currently, more than 20 thousand users in different markets use this application on Discord, providing tools to create, manage, grow, and monetize public communities.