The percentage of the population aged 10 years and over who do sports is projected to continue to increase from 2003 to 2015, therefore in the future the level of sport adaptation by the population of Indonesia will continue to increase with a fairly large trend and target market. Therefore, 43% of Indonesian people who exercise say they use applications and wearables to support their health and exercise. Application X is one of the sports service applications that focuses on sports bookings. With the increasing trend and precised target market, application X needs to improve and increase their customer retention to compete againts their competitors, therefore a strong strategy is needed to increase user loyalty and retention. In making the strategy, the influence of confirmation, perceived usefulness, perceived ease of use, perceived risk, satisfaction, attitude, subjective norms on continuance intention is examined. In addition, importance and satisfaction analysis is used to obtain strategies and their implementation priorities. The results of this study are strategies for application X in increasing continuance intention.