Hamlet hardly had QuickBooks or operating systems in mind, but don't you think Shakespeare was a Mac guy?!
While there are nice improvements in the Sierra update, you'll have to upgrade to QuickBooks for Mac 2016, and that will cost you about $180 to $190. The Sierra update itself is free.
A client recently had her new MacBook stolen. In helping her recover her QuickBooks for Mac installation, we discovered her existing QuickBooks for Mac 2015 program would not work with her spanking new, replacement MacBook. Why? The new MacBook had the most recent Mac version, Sierra.
So, what do you get with QuickBooks for Mac 2016 compared to 2015?
For more about QB for Mac 2016, macOS Sierra, QuickBooks Online, and how to make a decision about them all, follow this link: http://coveryourassets.com/blog.php?s=quickbooks-for-mac-to-sierra-or-not-to-sierra