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Overview System Requirements Related


Who's Calling? is a free app that provides you to search for unknown numbers from all over the world. We are definitely not interested in your contacts. With this application, you only can query the unknown numbers and learn the person who calls you. No more, no less. Notice: Since the Windows Phone SDK does not support reading incoming calls, this application is not able to display the name of incoming calls. For that reason, the application requires users to manually search for phone numbers.


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Additional information

Published by


Developed by


Release date


Approximate size

3.1 MB

Age rating

For all ages


Get this app while signed in to your Microsoft account and install on up to ten Windows 10 devices.

This product needs to be installed on your internal hard drive.

Language supported

Български (България)
Deutsch (Deutschland)
English (United States)
فارسى (ایران)
Français (France)
Indonesia (Indonesia)
Português (Brasil)
Русский (Россия)
Türkçe (Türkiye)
Tiếng Việt (Việt Nam)

Publisher Info

Who's Calling? support

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