Have as many numbers as you need
Install a new phone number on your smartphone in less than a minute.
Transfer your SIM phone number into onoff
Thanks to virtual portability, onoff is the only telecom operator in the world that allows you to port your number into the cloud and access it from any device.
Receive calls with or without an Internet connection
onoff's patented technology makes it the only application that allows you to use multiple numbers on one SIM card without being connected to the internet.
Voicemail greetings exclusive to each number
Select or record a voicemail greeting for each of your numbers in the language of your choice, or turn voicemail off altogether.
MMS with all of your numbers
Send and receive audio files, pictures, videos, contact details and a lot more via MMS.
More than 100 international packages to choose from
With many international packages available in the app, onoff gives you the opportunity to communicate with the world at affordable prices.
Get yourself a tailor-made plan
We offer packages for every destination, and you can choose the duration that best fits your needs.
Send messages to other onoff users for free
Send and receive texts, photos, videos, voice notes and more with your contacts. Messaging is free between onoff users!
Get a foreign number and communicate at a local rate
By purchasing a number from one of the 30+ countries available in the app, you can make and receive calls at a local rate for both you and your contacts.
Record your own greetings for your numbers
Make a personalized voicemail greeting for each of your numbers.
Hide and protect your numbers with a passcode
For the ultimate privacy, your number and all of its data can be hidden behind a passcode. You can choose to have the same for all of your hidden numbers, or one for each.
Send delayed messages
Save time with the onoff App by setting the precise moment at which you'd like your message to be sent.
Sort your communications by number
Sort your calls, messages and voicemails by phone number to easily keep track of everything.
Use credits to pay as you go
onoff credits give you the flexibility of not having to subscribe to any particular plan for international calls and messages.
Know the exact rates for all of your communications
Control your spending using our precise pricing tool.
Send voice notes
Send and receive high-quality voice notes using VoIP.
Send and receive pictures and videos
Share anything with your contacts, with any of your numbers.
Save your contacts in different profiles
Assign contacts to different numbers so you know who's who at a glance.