CartStack is an online tool that helps you track, target, and re-engage customers that abandoned their order and not completed their purchase because of some reason.
This service is designed for e-commerce businesses, agencies, and hotels (reservation purposes). The users of the CartStack platform runs in the background and takes records of user behavior and captures emails that can be later used to retarget the ones that didn’t take any action.
Their retargeting is completed via
various retargeting campaigns and sending emails to the is based on the
collected user’s data. Their services are free until their clients get to
recover at least $1,000 in sales.