Chatin

Chatin uses your phone’s Internet connection to message,phonecall and videocall to friends and family,, but you don't have to pay for every message (it works with your data plan).
WHY USE CHATIN:
MULTIMEDIA: Send and receive photos, videos, Messages,pdf Documents.
GROUP CHAT: Create groups for the people you message most. Name them, set group photos and keep them all in one place.
CHATIN CALLING: Call your friends and family using Chatin for free, even if they’re in another country. Chatin calls use your phone’s Internet connection rather than your cellular plan’s voice minutes.
• QUICKLY CONNECT WITH YOUR CONTACTS: Your address book is used to quickly and easily connect you with your contacts who have Chatin so there’s no need to add hard-to-remember usernames.
• OFFLINE MESSAGES: Even if you miss your notifications or turn off your phone, Chatin will save your recent messages until the next time you use the app.
FREE CALLS: Talk as long as you want, even with people in other countries. (Calls are free over Wi-Fi. Otherwise, standard data charges apply).