You can compare two Xcode project using FileMerge tool available with Xcode.
Below are steps for comparison in Xcode 6.1
- Right click on Xcode icon -> Select ‘Open Developer Tool’ -> Select ‘FileMerge’ option
- This will open window as show below :
- Select two Xcode project which is to be compared by clicking Left and Right button
- Click on ‘Compare’ button. This will create list of file that are added, removed or altered by comparing two Xcode project.