What is the difference between a standard and auto sync? donald.lawton Updated December 15, 2018 12:50 Follow A "standard sync" is a sync that you initiate. An "auto sync" is a sync that is initiated automatically by your iPhone. Related articles How do I perform an "auto" sync? How do I perform a "standard" sync? How do I eliminate duplicate contacts? How To Select 2 Accounts to Sync Why isn't auto sync working? Comments 0 comments Please sign in to leave a comment.