Does Banktivity 5 work with macOS 10.12, Sierra?

At Apple’s Developer Conference in June, important announcements included previews of macOS Sierra (10.12), the new operating system for Mac, and iOS 10 for Apple mobile devices. As Mac OS Developers, we are privileged to be among the first to test these new operating systems and to explore how it might be used to improve…

I upgraded to OS X 10.9, now iBank 4 won’t open. How do I fix this?

Your version of iBank 4 currently installed is an older version of iBank 4 which is not compatible with OS X 10.9 Mavericks.  In this case you should update to iBank 4.7.5.  You can download and install iBank 4.7.5 using the following link: iBank 4.7.5 should work fine with OS X Mavericks.