WA Web created a solution which makes you could use multiple WA accounts on a single device !

WA Web is a utility app which will help you use multiple WA accounts on a single device. It will also recover deleted messages by scanning your notifications. With our app, you can not only use multiple WA accounts but also recover text messages and any media attachments (pictures, videos, voice notes, audio, and animated gifs)! You can also download statuses and send “direct message”.

Features:

WA Scan
This feature will help you open two WA accounts on the same device or same account on multiple devices by simply scanning the WA Web QR code.

WA Deleted
This feature recovers all deleted messages by scanning your device notifications and all sorts of media attachments such as pictures, videos, voice notes, audios and animated gifs.

Status Saver
This feature will help you to save statuses (both images and videos).

WA Cleaner
This feature will help you delete multiple WA junk images, gifs, audios, and videos.

Direct Chat
This feature will help you send directly message to other people without saving contact.

Note:
WA Web is not an official WhatsApp application, and it's not associated with WhatsApp LLC.