DuoLine : Second Mobile Number app for iPhone and iPad

Duo Line is a revolutionary mobile application that provides users with a second phone number to use for private communication or business purposes. With Duo Line, you can make and receive calls .
Uninterrupted calls anywhere, local or international, without expensive roaming to recipients Local phone number.
Have a private line second phone number for private calls .

- Do you want to get a verification code to register on some social media platforms?
It is now very easy to have a second phone number on social media platforms where you can get a verification code for whatsapp, twitter and gmail.


* The app offers unlimited calling, allowing users to communicate as much as they want without worrying about extra fees or overages. This feature is especially beneficial for businesses that require a second phone line for customer service or sales.


* The apps user-friendly interface makes it easy to manage both phone lines in one place, without the need for a second device.

# UNLIMITED #

In addition, Duo Line can use these phone numbers for users to register on the Social media platform of their choice. Get ready to sign up for unlimited social media platforms with Duo Line.



Overall, Duo Line is an excellent solution for anyone who needs a scret second phone number. With its extensive features, user-friendly interface, and robust privacy options, its the perfect app for private communication, business needs.Try it today and discover the convenience and flexibility that Duo Line can bring to your life.

Why Duo Line ?
Ad-free experience: Enjoy unlimited calls without being disturbed by ads
Real second phone number
Private phone number for social media sign-up
International phones with second phone number service.
Get a good cell phone number without an extra SIM card
Any other situations that you don’t want to expose your real phone number.

Sometimes he can untie someone via SMS, but from another number. Soon you will be able to send SMS directly through our app. We will notify you when this feature becomes available.