Is it necessary for my contacts to have Youff downloaded in order for me to send them a message?
No, it is not necessary. YouFF offers a unique feature called “One-Time Talk” which allows you to send secure and encrypted messages to individuals, even if they do not have the app installed. This feature allows you to communicate securely with anyone, regardless of whether they are already using the app.
Which devices support YouFF?
You can download and use YouFF on your mobile phone with iOS and Android operating systems. For temporary communication in YouFF you can use any device that has a web browser installed.
How can I download YouFF?
You can find and download YouFF from App Store and Google Play