Developer's description:

WhatsApp Messenger is a FREE messaging app available for iPhone and other smartphones. WhatsApp uses your phone's Internet connection (4G/3G/2G/EDGE or Wi-Fi, as available) to let you message and call friends and family. Switch from SMS to WhatsApp to send and receive messages, calls, photos, videos, and Voice Messages.

Its features are so formulated to get uninterrupted communication with your beloved even when you miss push notification or turn off your phone, WhatsApp app will save your messages to get them on your next use of this awesome app.

In addition to get rid of logging in / out, you also needn’t to add your friend for chatting as the WhatsApp messenger get connected with your contact list automatically to display WhatsApp users. WhatsApp can help you stay in touch with your contacts by providing you with multiple ways of doing so. You can choose between sending text messages, audio or video recordings, images and also various other documents. It is possible to snap pictures with your webcam and send them instantly or select files from your computer.

Features:

• NO FEES: WhatsApp uses your phone's Internet connection (4G/3G/2G/EDGE or Wi-Fi, as available) to let you message and call friends and family, so you don't have to pay for every message or call.* There are no subscription fees to use WhatsApp.

• MULTIMEDIA: Send and receive photos, videos, and Voice Messages.

• FREE CALLS: Call your friends and family for free with WhatsApp Calling, even if they're in another country.* WhatsApp calls use your phone's Internet connection rather than your cellular plan's voice minutes. (Note: Data charges may apply. Contact your provider for details. Also, you can't access 911 and other emergency service numbers through WhatsApp).

• GROUP CHAT: Enjoy group chats with your contacts so you can easily stay in touch with your friends or family.

• WHATSAPP WEB: You can also send and receive WhatsApp messages right from your computer's browser.

• NO INTERNATIONAL CHARGES: There's no extra charge to send WhatsApp messages internationally. Chat with your friends around the world and avoid international SMS charges.*

• SAY NO TO USERNAMES AND PINS: Why bother having to remember yet another username or PIN? WhatsApp works with your phone number, just like SMS, and integrates seamlessly with your phone's existing address book.

• ALWAYS LOGGED IN: With WhatsApp, you're always logged in so you don't miss messages. No more confusion about whether you're logged in or logged out.

• QUICKLY CONNECT WITH YOUR CONTACTS: Your address book is used to quickly and easily connect you with your contacts who have WhatsApp so there's no need to add hard-to-remember usernames.

• OFFLINE MESSAGES: Even if you miss your notifications or turn off your phone, WhatsApp will save your recent messages until the next time you use the app.

• AND MUCH MORE: Share your location, exchange contacts, set custom wallpapers and notification sounds, email chat history, broadcast messages to multiple contacts at once, and more!

*Data charges may apply. Contact your provider for details.