"Whats Web" is an app available on the App Store that allows users to use two WhatsApp accounts on the same device. "WhatsApp Web" is a feature that allows users to send and receive WhatsApp messages on their computer. To use WhatsApp Web, users must first scan a QR code with their phone to link their WhatsApp account to their computer. There have been some complaints about the new version of WhatsApp Web being slow to load.