Keep ActivTrak and Mixpanel aligned: use one app's analytics actions to perform the other's.
Example: use ActivTrak's "Bulk Upload" action to perform Mixpanel's "Add Group Profile Property Once" action. ActivTrak has 23 actions (including Bulk Upload, Create a Group, and Create a User); Mixpanel has 106 actions (including Add Group Profile Property Once, Add User Profile Property Once, and Aggregated Event Property Values).
Common questions about connecting ActivTrak and Mixpanel.