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Bysky is an application for smartphones that allows you to send FREE text messages to various satellite phones, such as Iridium, RockSTAR, Inmarsat, Thuraya or Globalstar. Bysky uses your phone’s internet connection (4G/3G/2G/EDGE or Wi-Fi if available) to send messages and receive responses.
You can use your existing address book. If you save a satellite phone number to your address Book, Bysky will automatically determine its type.
To send a free message to a satellite phone – just start a new chat.
Now it's much easier to communicate with people, even when they are far away. You can always start a free chat with a satellite device, and all answers will be received to the same chat.
You can start a group chat and send free text messages to several satellite phones at once.

What’s New

Version 3.7

- Some internal improvements and bug fixes
- Push notifications improvements
- Iridium360 RockSTAR satellite device connection improvements (background modes)

App Privacy

The developer, BYSKY COMMUNICATIONS LTD, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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