Optinly is a goal-based popup plugin that has been built with the aim to make the lead acquiring process seamless. Optinly can also be used to reduce cart abandonment, get customer feedback, increase cart value and there are a whole lot of other things you can do with this plugin.
What makes this plugin special is its forever free plan that comes with features like advanced popup triggering options, popup transition effects, the option to integrate with 10+ email marketing platforms and more.
Optinly