WestStein is a company with vast experience in entrepreneurship, offering innovative, digital financial technologies and financial services for the banking industry. WestStein’s FinTech solutions provide improved financial security and freedom to customers conducting transactions online.


WestStein Mastercard
mobile app

WestStein provides customers with a secure and clear mobile app for efficient financial management of their companies at any place and time, allowing them to top up their WestStein prepaid Mastercard with one click, make transfers, and control budgets.


Solutions implemented




Java, Swift programming

API integration

You can download the mobile app at: