I recommend Shrivra for its advanced features that are very easy to use and saves a lot of time. I am using this software from last 1.5 year and there is no issue in this software till now.
Shrivra is an online gym and fitness management software which helps you to manage small gym to large chains of gyms from anywhere. By using Shrivra, you can easily manage your fitness routine tasks like sending reminders, calculating payments and sales tax with your team members. It helps your team members to check their work schedule and co-ordinate with you using the same.