WhatsApp Web client support is now available for iOS users. Android, Windows Phone 8.0 and 8.1, Nokia S60 and Nokia S40 Single SIM EVO, BlackBerry and BB10 smartphones enjoy the service. iOS users’ wait for WhatsApp Web is over now, and they can also enjoy WhatsApp Web Same WhatsApp account on iPhone and desktops. WhatsApp Web can also be accessed using Safari browser, though it will require the latest version to run the facility. By scanning the QR code that appears, users will automatically have paired their mobile WhatsApp with the WhatsApp web client.
Source: https://thehackernews.com/2015/08/whatsapp-web-browser-ios.html