World’s largest social messenger company, WhatsApp has updated their iOS app with iOS 7-friendly design and features, introducing the flatter interface and broadcast lists.

WhatsApp with the broadcast lists help you to send messages, videos, audios and images to larger groups at once. Location sharing with 3D map, large thumbnails, new notification and alerts sounds, new way to go to the blocked users and image cropping are the key features introduced with the update.
Moreover, WhatsApp will use the default text size that configured in iOS 7 settings.
If you are new to WhatsApp, then head over to the App Store and download the free messenger app with first year free subscription, then $0.99 per year.
PSA: WhatsApp has now overtaken Facebook in largest used mobile messaging application, with more active users.