A "white label" app is an application as a service that is developed by one company and then rebranded and sold to the clients of a different company. White label apps typically require minor customization in order to meet the needs of clients and allow them to use the app as their own product.
This is a companion discussion topic for the original entry at https://blog.crowdbotics.com/how-to-keep-margins-high-while-selling-white-label-apps-to-clients/