Hayya is a free messaging application available on Android that allows you to stay connected with your friends. With Hayya, you can easily send and receive messages anytime and anywhere. The application has a simple and user-friendly interface that makes it easy for everyone to use.

One of the key features of Hayya is that it allows users to actively control permission to friend requests. This means that you have complete control over who can send you friend requests and who you can add as a friend.

Hayya uses your phone's internet connection, whether it's 4G, 3G, 2G, or Wi-Fi, to let you message or call loved ones around the world at no cost. This makes it a great option for people who want to stay in touch with friends and family without incurring any additional costs.