 - It handles the data saving and social media integration part of the iOS application. In addition to this, the Parse Core also enables you to write your own code that would further be run in the cloud, rendering custom server-side logic.  - It handles the data saving and social media integration part of the iOS application. In addition to this, the Parse Core also enables you to write your own code that would further be run in the cloud, rendering custom server-side logic. 