GlobalSIM USA, LLC is a global mobile roaming service provider focused on providing affordable international calling, texting, and mobile data plans to business and leisure travelers.
GlobalSIM is a mobile app, developed using the latest RCS technology exclusively for global market. It offers free app to app chat / audio / video callings. the app that works anywhere in the globe within Wi-Fi or 2G / 3G / 4G / LTE mobile data networks.
