Bysky is a mobile application designed for Android devices that enables users to send free text messages to various satellite phones like Iridium, RockSTAR, Inmarsat, Thuraya, or Globalstar. Utilizing your phone's internet connection, whether through 4G, 3G, 2G, EDGE, or Wi-Fi, Bysky facilitates sending messages and receiving responses seamlessly.

The app allows you to easily access your existing address book, automatically recognizing satellite phone numbers saved in your contacts. Sending free messages to satellite phones is as simple as initiating a new chat, making long-distance communication more convenient than ever. Bysky also supports group chats, enabling users to send free text messages to multiple satellite phones simultaneously.