Total subscription quantity for a particular plan or addon as of a specific period.
Explanation of metric
Subscribers are charged based on the quantity associated with a particular plan or addon for a specific subscription for a specific period. Each plan may have one or more add-ons associated with it. You can define the addons when creating or editing plans.
How it's measured
If a subscription has a plan and an addon with the quantity of 10 and 20 respectively, it will show quantity 10 for the plan and 20 for the addon in the metric.
You could alter the quantity for a specific plan or addon and provide volume-based discounts on unit price. This discount will attract new customers without modifying your revenue for a period.
Click here to read about other metrics.