Download the app and get a second number instantly! Join the revolution ! Thanks to its revolutionary patented technology, it allows you to own several mobile numbers in your …

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Plus besoin d'une autre carte SIM, vous pouvez instantanément commencer à appeler avec votre deuxième ligne depuis l'application. Téléchargez l’app Onoff et obtenez un second numéro en …

Your second number with one app. Subscribe now to Onoff and get a second number in an instant!

Your onoff number allows you to have a second phone line, so you don't have to share your personal number anymore. Whether you are using your new number to sell something online, …

With your Onoff number, you can make unlimited calls throughout Europe. For communication outside of Europe, you can also purchase credits, valid for any destination!

Thanks to the Onoff Webapp, you can access the full range of functions on your computer, and much more besides.

May 6, 2025 · With your Onoff number, you can make unlimited calls throughout Europe. For communication outside of Europe, you can also purchase credits, valid for any destination!

Manage all professional communications from the same smartphone inside the Onoff Business application, while keeping your professional and personal communications separate.

You can deactivate automatic renewal in the settings of the App Store after purchase, at least 24 hours before the end of the current subscription period. With your Onoff number, you can …