Lately, many people have wondered why some iOS apps were so huge. I asked myself this question and analyzed the Facebook application for iOS v. 66.0 in 2016 and v. 87.0 in 2017.
In this article, I dissect the Nest app (5.30.5) for iOS released on 29.11.2018. There has been quite some speculations about this app in a thread started by John Gruber on Twitter:
This post will answer some simple questions about this specific app:
Which technologies are used? Why is the app so big? Would it be possible to reduce the app size?