The unique and very simple mechanism is considered as the main reason for this amazing achievement.
The working principle behind true caller is simple and very interesting, this can be termed as 'Snow Ball' Technology.
The true caller has almost all the mobile number details including geographical are and name, this s become possible through the users itself. For an example when one user downloads true caller, this app automatically takes all the contacts from that particular phone to it's directory, so every new user is a source of new contacts for true caller and now it has successfully reached a point where it is filled with the details of almost all the numbers around the world.
The smart revaluation which occurred even in rural areas and the adaptation of mobile internet helped true caller to spread it's directory roots even in 3 Tyre city users in a country like India.
Now this below 10 mb app has reached a stage that it has become one of the most rated social media app, where one user can verify his mobile number with the name that he would like to show along with traditional concept of profile picture.
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