1.**Keep**: This is a very popular fitness app, which provides various fitness programs and tutorials, including yoga, pilates, aerobics and so on. In addition, it also provides social functions to share your progress and achievements with other users.

2.**FitTime**: This is an App that integrates fitness plan, fitness tutorial and community interaction. It provides a lot of tutorials about equipment, which is more professional than Keep. However, its shortcomings are uneven video quality, simple daily training courses, easy for novices to keep up and easy to make mistakes.

3.**NTC**: This is a fitness App suitable for men. Its training content is applicable to any group, including women.