VOC is a smart APP that assists design researchers and other people to autonomously complete collecting, analyzing and reporting the interviewing protocol data. It integrates AI and user research technologies to build up an autonomous interview research with less steps and time. VOC is designed not only for professionals but for amateurs. One-click design allows amateurs are easy to start recording, highlight key point, generate interview report, view the report and trace back to transcript. It can also be used in many research domains with different plug-ins, such as oral history and so on.