Discover onoff's Amazing Features

Additional mobile numbers on your smartphone, instantly. Enjoy free calls, messages & much more, with onoff App.

Get a Second Mobile Number

Install a second mobile or landline number on your smartphone in less than a minute.

Get Your SIM Card Phone number into onoff!

Using virtual portability, onoff is the only telecom operator in the world giving you the possibility to port your number in the cloud and access it from the onoff App to unleash it's full potential from any smartphone and even from the Web.

Coming soon!

Receive Calls From Your Numbers Without Internet Connection

onoff is the only application in the world that allows you to receive calls from all of your numbers directly on your SIM card without even having an Internet connection. This patented technology give you the comfort of answering your calls in the exact same way you would from your very own smartphone.

Multiple Phone Numbers On Your Phone

What if your personal phone number, your business phone number and a Temporary phone number would all be located into the same phone? With onoff, it is now possible. Use and manage all your phone lines from just a single App!

Enjoy Instant Voice Notes Between onoff Users

Easily send and receive high-quality voice notes from your onoff contacts on any of your profile.

Multilingual Voicemail Greetings For Each of Your Numbers

Get a default voicemail greetings for each of your number in the language of your choice or simply turn them off in case you don't want to receive any voicemail.

Coming soon!

Send and Receive MMS From All of Your Numbers

With onoff, send MMS to any of your contacts and receive them as well on the onoff number of your choice.

More Than 100 International Packages to Call at the Best Rate

With more than 100 international packages available in the app, onoff gives you the opportunity to communicate wherever you want in the world at the very best price!

Get Yourself a Tailor Made Plan

Each package in the app has been thought to fit your needs in the best way. Choose the length of your plan to get an extra discount and choose the amount of communication you need to get the really best price for you.

Send Messages to onoff Users For Free

Between onoff Users, messaging is totally FREE! Send and Receive texts, photos, videos, voice notes and much more whenever you like!

Find New People on the onoff Network

Find other onoff users and Add them to communicate with the profile of your choice.

Save Your Contacts On The Profile You Want

Create as many profiles as you want and save your contact on the one you prefer in order to keep a full control on your different life aspects.

Enjoy Instant Voice Notes Between onoff Users

Easily send and receive high-quality voice notes from your onoff contacts on any of your profile.

Choose The Number Plan That Fits You

Depending your number usage, choose between three levels of subscription: Small, Medium and Large. Calling has never been so cheap!

Get a Foreign Number and Communicate At a Local Rate

By purchasing a number from one of the 33 countries available in the App, communicate, call and receive calls from wherever in the world, always at a local rate for both you and your correspondent.

Record Your Own Greetings For Your Numbers

Record a personalized voicemail greetings for each of your numbers.

Hide and Protect Your Numbers With a Passcode

For an ultimate privacy experience, hide your numbers and all of its associated content from the app and protect it with a passcode. You can have one passcode for all of your hidden numbers or a single passcode per number. The choice is yours.

Send SMS To The Future

With onoff, you can write a SMS and send it... To the future by being able to choose the date and time of sending. Enjoy!

Sort Communications by Number

Sort all your communications by numbers so that you don't get confused. With onoff, it has never been so easy to keep organized.

Use Credits to Pay As You Go

With onoff Credits, enjoy a maximum of flexibility with your number to call and text abroad and Pay As You Go without subscribing to any particular plan.

Check Out The Exact Rate You are Calling At

Check and control your spending using our precise pricing tool depending your location and where you are calling to. You Will soon realize onoff is one of the cheapest way to go!

Make Video Calls For Free With Your Friends

With onoff, make video calls for free with any of your contacts from the number of your choice.

Choose Which of Your Profile you Want to Share with Others

onoff allows you to share different profiles depending who you are connecting with, so that you can easily manage all the different aspects of your life.

Exchange Pictures and Videos With Your Contacts

Send and receive pictures and videos with your contacts from the profile you want.