Well, that was an easy decision: I just deleted both Spark and Calendars. These are just not products that fit a subscription model. Back to default apps I go,

Well, that was an easy decision: I just deleted both Spark and Calendars. These are just not products that fit a subscription model. Back to default apps I go, apps that provide 99.5% of the functionality I need, even if they are missing some of the conveniences of the third-party offerings.