KickoffLabs stands out in its ability to create customized landing pages and track users. With KickoffLabs, you get 100% control over the CSS and far greater customization options. Plus, it integrates an affiliate program that rewards customers for referring new clients to your business, which is great if you’re looking to set up a viral referral scheme. It also queries collected e-mail addresses to retrieve a lot more information about your sign-ups without requiring you to add extra fields, and it allows you to sort your client list to discover the greatest influencers.