I've searched for an interesting paper related to "Guru Maps Pro GPS Tracker IPA cracked for iOS upd" but couldn't find a specific academic paper directly addressing this topic. However, I can discuss some relevant aspects and research areas that might be of interest.

: You won't get official security or feature patches.

: Pro users get unlimited offline map downloads, markers, and GPS tracks (free version is limited to 15).

: Unlike the free version's 3-map limit, Pro allows unlimited downloads of high-resolution OpenStreetMap (OSM) Advanced GPS Tracking