iOS Code Compare process 1) Search "File Merge" into MacBook 2) Create a folder and add both projects which we want to compare ex Old Project and New Project 3)After launching File Merge Tool -> We are getting a window which has two options Left and Right 4)Then Fetch Old Project into Left and New Project into Right. Wait for the complete process 5)We will get Folder->File structure into File Merge 6)Select particular file which we want to compare In That we will get number chnages count Changes getting in gray and light blue color Android Code Compare process 1)Start Android Studio and open New Project 2)Right Click on Project->Compare to then select Old Project 3)The we will get comparism window which have both projects files 4)Differences highlighed by gray color