Wishpond is much more than a landing page builder, it can help you create and manage full marketing funnels with social contests, popups, drip campaigns and marketing automation.
As such, it's priced per lead and it's not the cheapest tool of it's kind, with $49/month for maximum 1000 leads and $199/month for 10,000 leads plus implementation coaching.
You need to book a demo if you want to take a look inside but Wishpond is definitiely a crowd favorite in the marketing world