What if you could get a second number in minutes, without the hassle of using a second phone or a second SIM card, but just by downloading an app? You dreamed of it, Onoff made it happen!

You will want to use a second number for:

Having a separate professional line - separate your professional and personal life

Protecting your privacy when you are online - your safety is our priority

Selling goods online in total confidence - safely communicating with your potential buyers

Carrying only one phone on you - less weight in your pocket, less hassle between switching the phones

Being able to use your phone number from any smartphone and even from your web browser - we want you to have a number as flexible as your email!

Make low-cost international calls - the world is just one call away


With Onoff, you also have:

-Calls and SMS
-Integrated visual voicemail
-Voice messages
-Synchronization of all your contacts list
-Possibility of porting an existing number, in order to use it in the Onoff App
-An app compatible with all SIM cards to always call on the best network
-Numbers from more than 30 countries available


And there’s much more !

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In the application, you can subscribe to a number or a calling plan, the prices of which vary depending on the nationality or region chosen, as well as the duration (1, 3 or 12 months). Payment will be made through your iTunes account after confirmation of purchase, and will be withdrawn 24 hours before the end of each billing cycle. 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 make unlimited calls throughout Europe. For communication outside of Europe, you can also purchase credits, valid for any destination!


Any demonstration product offered within promotions will be automatically terminated upon first purchase. We cannot guarantee the systematic compatibility of numbers with verification services by SMS. Onoff: several numbers in one application, without changing the SIM card!

See https://www.onoff.app/en/privacy-policy for the Privacy Policy.
Onoff app Terms and Conditions can be found at https://www.onoff.app/en/terms-conditions/