Description Chat-in is an app that allows you messaging with your friends and family. Chat-in which is compatible with Android smartphones uses your phone Internet connection (4G,3G,2G or Wi-Fi) for your communication. Keep in touch with your loved ones! And even it is easy to use, fast, secure and free! WHY Chat-in? FREE: No subscription fee, no adds and always free. You can send messages for free whenever you like and wherever you are. Chat your friends who are all over the world without any