It didn't used to be. They used to sell the app as a single purchase. They switched it to a subscription model after some of us had purchased the iOS version, the iPadOS version, and the macOS version. As good as the software may be, and as feature rich as it may now be, I'll never subscribe, because of how they handled the change.This is a $10.5 per month subscription… what am I missing here? Is there so much this app can do that is not already possible in the stock Calendar app or the plethora of free ones available? All of them sync across devices too.