How many lines of code do you need to write to develop an app like Snapchat or Instagram?

I think there would be no one to give a clear answer to this question as the total number of code lines is dependent on many variable factors which can be referred to below.

Factors affecting the coding length for Instagram like App Development

· Developers Experience

· Development Technology

· Apps Features

· Use of Add-ons such as Map API

The above are the factors that are on top of mind while writing this answer. So apart from a vague answer of 10s of thousands, there is no clear answer to this question of the total code lines required to develop an app like Instagram