What is Telegram?
Telegram is a messaging app with a focus on speed and security, it’s super-fast, simple and free. You can use Telegram on all your devices at the same time — your messages sync seamlessly across any number of your phones, tablets or computers.
Which devices can I use?
You can use Telegram on smartphones, tablets, and even computers. They have apps for iOS (6 and above), Android(4.1 and up) and Windows Phone. You can also use Telegram’s web version or install desktop apps for Windows, OSX, and Linux.