Have you checked OptinMagic Yet?

We are glad to announce that, We launched our product OptinMagic. We would highly appreciate it if you show us some support! https://www.producthunt.com/posts/optinmagic OptinMagic is the one of the simplest and cheapest cloud-based lead generation, conversion optimization, and marketing automation solution to grow your email list, generate leads, and increase revenue. 

With OptinMagic you can turn your traffics into sales and keep them coming back to you with new offers and promotional emails. 
OptinMagic is free to use and has premium plans depending on the needs of the users.