<![CDATA[The wedding service industry continues to grow, including the emergence of wedding content creators who focus on producing real-time content for social media platforms such as Instagram Reels and TikTok. However, many vendors still do not have integrated digital systems, including Muchas Gracias, which still manages all service booking processes manually through WhatsApp. This condition causes delayed responses, limited access to service information, scheduling conflicts, and repetitive communication burdens for the vendor team. This study aims to design a mobile-based UI/UX prototype for a wedding content creator application using the Design Thinking method. The research was conducted through five stages: empathize, define, ideate, prototype, and test. Data were collected through semi-structured interviews and observations involving 20 participants consisting of potential users and internal vendor staff. The analysis identified four main pain points that became the basis for developing user personas, problem statements, information architecture, and user flow. The prototype was developed using Figma in low-fidelity and high-fidelity forms. The testing stage was carried out using the think-aloud protocol and the System Usability Scale (SUS). The results showed an average SUS score of 79.25, which falls into the Good (B) and Acceptable category, indicating that the prototype has good usability and is feasible as a reference for developing a real application.]]>
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