Although I am commenting late on this post, I would like to help you out with a gym management software known by Fitness N U which offers the following features:
2) Biometric integration
3) Multi – Admin manager
4) Multi-Branch Transfer
5) Fitness Assessment
6) Automated Renewal alerts and many more.
For a detailed review of features, you can visit the website: https://fitnessnu.in/
Have a good day ahead,