The Store App is designed to be used by coaches for quickly processing a product purchase. Its similar to Square, however because you already have the members Credit Card info its even quicker and easier.
Download from Apple App store from your device from this link:
Only available on iOS, not on Android at this time.
Use your coach or admin login to sign into the app for the first time.
A password is used to quickly log back in.
Products should be set up from the Control Panel to make them show up in the app.