“List Eruptions” is designed to help you promote your newsletter subscription amongst  your users. You can use it to set reward points for your users whenever they refer a friend to sign-up for your newsletter. You can also specify  rewards for accumulated points. This helps in increasing the number of subscribers as each registered user would be encouraged to refer others.

Existing users get a unique referral link that they can quote while referring others to sign-up for your newsletter. The plug-in automatically calculates the number of new users who have signed-up using that links and accumulates the equivalent points in their account.

The List Eruption plug-in does not require any specific coding skills or technical knowledge to administer it in your site. It can be easily installed and works with 5  major email providers such as Aweber, Mail Chimp, Constant Connect, iContact and GetResponse. You also get built-in landing page templates that can be customized as per your specific site’s requirement. The plug-in also allows you to include opt-in box widgets in the sidebar.

Social Sharing and Postmark integration: Social sharing integration allows users to send a custom Facebook or Twitter update message and a unique referral link to others in their lists. The PostMark web application allows you to send automated messages to your subscribers on the number of referrals they have made and the nearest reward level.

Pricing: The List Eruption premium plug-in comes with the below pricing options which also include priority support.

1) Single License-$47 which includes usage in a single domain and an year of free updates.

2) Unlimited license-$97 which can be used for multiple sites and unlimited domains. This option comes with lifelong updates and is priced at $97.