I tired the subscription and automated syncing with my bank. Didn't like it, so I cancelled the subscription. Now every time I open the app on Mac and iPhone it pesters me with messages about an invalid subscription. How do I get rid off it? Also I want to get back the + button at the bottom right on the Mac app, it's still showing the automated sync symbol that I'm not going to use!
It seems you've cancelled the subscription but still have left accounts connected to Online Banking. You should disconnect them first - you can do it from any of the devices. For example from the Mac, click twice on your Online Banking accounts and click on Disconnect from Online Banking. Pay attention to the prompt you receive - it'll ask you if you want to delete or keep the transactions downloaded from Online Banking.