As a leading force in new forms of exercise and fitness, sports apps have successfully attracted the attention of young college students by integrating the exercise mode of "Internet and Sports". In the process of extracurricular physical exercise for college students, the accompanying activities of sports apps have brought diverse impacts. It enriches the forms and projects of extracurricular physical exercise for college students, makes exercise motivation more diversified, and effectively enhances the enthusiasm of college students to participate in extracurricular physical exercise. This article uses literature review, questionnaire survey, and mathematical statistics to study the impact of using sports apps on physical exercise among sports students at Zhejiang Normal University.