Pro members can link an existing GHIN® Number to Golfshot. You can purchase a Pro membership as an in-app upgrade or by visiting the Join Now page.
Once you’re a Golfshot Pro member, simply tap Handicap Index® on the Golfshot home screen (scroll down the screen to view button) and follow the instructions for linking your GHIN® Number.
If you have any problems linking your number contact the support team here.
That’s it. Now you can maintain your Handicap Index® directly from Golfshot!