14 September, 2016

Running Xcode 7.3.1 and Xcode 8.0 on the same machine

If you need to be running Xcode 7.3.1 and 8 together (as I am!); you can not install them just like that. You need to fiddle a bit with the apps to have them work together.

  • Download the Xcode 7.3.1.dmg file from apple developer portal.
  • Download the Xcode 8.xip file from apple developer portal.

Once you’ve done that, you can install version 7.3.1 into “applications”:

Xcode 7.3.1

  1. Double click the .dmg file to open the “drive” it represents.
  2. Drag the Xcode icon into “application"
  3. Rename the resulting xcode.app in “applications" to xcode_7.app


Xcode 8

Now - the turn comes to Xcode 8. You unzip the .xip file and drag into Applications the resulting xcode.app file (it’s version 8).

You now have 2 versions of Xcode on your Mac and start them independently.

  • Xcode_7.app
  • Xcode.app


The reason I’m not renaming the XC8 version is due to future updates coming from Apple. I’m not sure how they search for apps locally during an update process...

iPhone/XCode - not all cases are equal!

This bit me! Having made some changes to an iPhone application (Obj-C); everything worked fine in the simulator. But, when deploying the s...