Onoff is a revolutionary brand that allows you to have a second phone number on your smartphone with just one application. With our patented technology, there's no need for another SIM card or a second phone. With Onoff, you can reinvent your communication and have multiple mobile numbers right in your pocket without the hassle of carrying multiple devices.

Our features include instant access to a second number, the ability to send and receive SMS, and an integrated voicemail, all within one user-friendly application. For those looking for the ultimate experience, our Premium offer provides better call quality, the option to make calls from your computer, schedule availability times, and even ring multiple devices simultaneously. With our innovative 'Cloud Numbers' technology, you can obtain mobile numbers directly from the cloud without the need for an additional SIM card.

Plus, our Onoff Calls technology ensures the best call quality by making calls through the GSM network on your mobile. Manage all your communications on a single device and choose the offer that suits you best. Onoff is also dedicated to businesses, offering Onoff Business, the best telephony solution for your company.

Give your employees professional numbers easily. Join the Onoff revolution now and optimize your communication!