Whatsapp Web Client is now officially available for IPhone and has started to roll out today. So basically, you can use the WhatsApp Web Client even if your iPhone is not jailbroken.
How To Use Whatsapp Web Client For iPhone:
1. To begin with, You need to go to the settings menu for Whatsapp and tap on the ‘Whatsapp Web’ option.
2. Having done that, you will be required to head to the webpage that is ‘web.whatsapp.com’.
3. Scan the QR code that you see on the webpage.
4. The developer has also made the option available to the user to enable or disable the tweak as they wish. The Tweak also includes some minor bug fixes.
All Done enjoy the WhatsApp Web Client on iPhone.