Unlimited phone numbers on a single device.
Gone are the days when you were limited by the number of SIM card slots on your phone. Download the onoff App for free and purchase as many phone numbers as you want from all over the world instantly!
Make high quality calls abroad at affordable prices.
Combining telecom and internet technology has allowed us to bring you the fastest connections at the lowest prices. Download the onoff App for free and enjoy one of the many international packages on offer.
Organise your life through different phone numbers.
Have a phone number for every group of people you communicate with, and keep track of them efficiently. Dating, work, family, travel and anything else you can dream of. Download the onoff App for free and manage all the different aspects of your life from one place.
Reinventing your communication with onoff
French mobile numbers start at 3.49 €/month
Pay as you go on international calls
Calling abroad for as low as 0.03€ per minute
We have reinvented communication by bringing telecom technology into the mobile world, allowing you to have multiple phone numbers on a single device.
Your numbers are stored on the cloud so that with minimal internet connection you can enjoy the superior speed and quality that telecom provides.
onoff Business
Soon enough we will have some business solutions to offer which will provide incredible flexibility whilst allowing companies to save a ton of money.
SIM Porting
Our virtual portability allows you to transfer your current SIM cards onto the app with ease. (Currently only available in France).
Customize your voicemail messages for each your numbers separately.
Coming soon!
With number portability between countries, your number can follow you everywhere you go.
Calling abroad
The onoff technology allow to call or SMS any international number at best rate
Communicate Freely
The onoff mobile app is totally free to text or call on audio or on video between onoff user