Recommended for heavy hitters with huge lists. Easy to use panel. Lots of tools for creating forms and helps you run email A/B testing. 150 free email templates. Very good help and support system in place. Advanced spam management, autoresponder management and tracking features. Good integration with shopping cart systems. "Best autoresponder!"
Relatively more expensive for smaller lists. Steeper learning curve for new marketers. Can't send videos in emails. Can’t switch back to single opt-in if you use double opt-in for any new list.
$19/mo for up to 500 subscribers. The price increase as the subscription number grows. First month is only $1.