How to keep charging now?

Because of the increase in the number of users and changes in the market, in order to ensure the sustainability and development of its business. Keep is a sports and fitness App. In the early days, its main source of income was obtained through offline sales of fitness equipment. Later, with the increase in the number of users and the changes in the market, Keep began to gradually strengthen the paid service for users to ensure the sustainability and development of its business. Keep currently provides a variety of membership services, including paid courses, personalized training programs and professional coaching services. These services require users to pay for them.