At the moment, it is not possible to open more than one account on the same device in Facebook or WhatsApp and other apps. You can not register and open more than one account on Facebook, Instagram or WeChatat at one time. But Parallel Space application has the solution to this problem.
With Parallel Space, you do not need to log out and log in to a different account. You can download Parallel Space to open all your accounts on one device and move among them.
In order to be able to use multiple accounts for your applications in your Android phone, download Parallel Space for Android. It does not require root access for Android. Just install the application on your mobile and then login directly to more than one account. Using apps such as Snapchat Plus or WhatsApp Plus allows you to have more than one account on one device. But the truth is that these apps are not safe and they take up too much space on your phone. But Parallel Space protects you from hacking and stealing personal data and keeps your privacy invisible in your device.