The between Post Optin is placed after your third post on your Blog Homepage.

You can enable it with one click within the respective WordPress Customizer section.

You have the following Options:

Between Posts Optin Headline

Between Posts Optin Text

Between Posts Optin Call To Action

Enable Popup Optin

If you enable the two step optin, the visitor won’t see your signup form immediately. Instead he will just see the call to action button and the signup form will show up in a popup after clicking on the call to action button.

Popup Headline

You can define a custom headline for the popup

Popup Text

You can define a custom text to go along with the Headline

Popup Call To Action

The text of the Call To Action Button of your Popup

Popup Small Text

You can use this again to state that you website is trustworthy.