Telegram is ( maybe ) the strongest Competitor to WhatsApp. Text messaging apps have become very popular as more and more people are using them to stay in touch with friends and family. There are many text messaging apps which are now available. Many of them are free while some cost a little bit of money.As the demands of users increase, the apps too are becoming more and more sophisticated. Users are now able to send pictures, audio and video as part of their messages. However, with increased number of people using these apps, there is a greater need for privacy and security. Nobody would like to use an app which lacks privacy or does not have adequate security.