A user is deemed to be active in a given month if they've created or submitted an expense or receipt.
If you have any users that have signed in, created a report, approved an expense or managed their account, then these users are not classed as active and won't be charged.
You can view a detailed breakdown of user activity for each invoice from your Billing section. Please see our View user activity Help Article for more details.
If you have any queries regarding active user billing, please email the Billing team on billing@expensein.com.