With the developing technology, the indispensable applications of smart devices, which have become indispensable in our lives, are online music download and music listening programs. Among the programs preferred by millions of people around the world, Tubidy is the music listening program. In response to the question of what is Tubidy; This program, which is at the top of the online music download applications and where tens of millions of people download and listen to music for free, is indispensable for smart devices. Compared to many applications, Tubidy can be called a complete smart device program. After downloading the application to smart applications such as computer, mobile phone or tablet, it is an easy to use and very simple application that can be used with the name of the desired song in the search section. An internet connection will be sufficient to use the application. The application, which does not cost anything for downloaded songs and music, only charges internet data connection fee. It disappears when the user has an internet package or connects with wifi.