PayOne is a free Android app that provides useful information in eight different languages for foreign workers and immigrants residing in Korea. The app offers features like real-time exchange rates and preferred exchange rates calculation, an overseas remittance calculator, location-based bank search, local language customer service centers, guidance on various methods of overseas remittance, information on foreigner events and news, and mobile online services for foreigners.

The app is designed to provide convenience and accessibility to foreign workers and immigrants residing in Korea. It offers a wide range of features that cater to their needs and helps them with financial transactions. The app is regularly updated, and users are advised to install the latest version for optimal performance. For more information on the app installation and usage, users can contact the local language customer service centers.