Best WordPress Optin Plugins to Grow Your Email Subscriber List

It’s one thing to have great content on your website, or even have a fantastic newsletter, but there’s no point investing time in creating content if no one’s reading it.

One of best ways to get visitors returning to your site or reading your newsletter is with an opt-in form. Optin forms allow you to collect email addresses so you can alert users when you have new content or offers and get them to return to your site.

There are a bunch of different kinds of ways you can display opt-in forms on your site (sidebars, slide-ins, after post boxes, and squeeze pages) and you can even choose when these forms are displayed (after a specified amount of time or when they’ve scrolled to the bottom of your site).

You can also integrate many optin plugins with major email marketing services, such as MailChimp and Aweber.

Adding an optin form to your site is easy and will help you increase traffic to your site, convert new visitors, and better engage with return ones.

The plugin list below is short because I’ve picked the best plugins for the job. I’ve specifically chosen free and premium plugins that include email marketing integration and some other features like form customization, A/B split testing, and analytics.

• SumoMe - List Builder, Scroll Box and Smart Bar (Free)

  

  The team behind AppSumo, a daily deal site for software, have made available a suite of free tools they used to build their email newsletters to over a million subscribers.

  Their sister site, SumoMe, features eight apps. In this listing we’ll look at just three – List Builder, Scroll Box and Smart Bar.

  List Builder allows you to create simple and elegant lightbox pop-ups that can be customized to automatically pop-up after a certain amount of time, or you can use “smart mode” to ask your visitors to subscribe as they’re about to leave your site.

  Scroll Box adds an optin form to the bottom corner of your site and slides out as visitors reach the bottom of the page. The plugin is fully customizable, so you can set at what point on the page you want to ask your visitor’s for their email address, how often is is shown and where it is positioned on the page.

  Lastly, Smart Bar places a bar at the top of the page where visitors can enter their email and sign up for your newsletter. It features three options for display: when a visitor scrolls up, scrolls with the page, or always stays at the top. It also comes with five custom themes, or you can customize how it looks with HTML.

  All of these plugins feature easy integration with MailChimp, Aweber, Constant Contact and Campaign Monitor.

• Hustle

  

  Hustle is WPMU DEV’s free marketing, social share, email opt-in form, and popup plugin.

  This plugin lets you easily grow your mailing list using different types of opt-in forms (pop-up, embed, slide-in, and widget). You can also insert an opt-in form anywhere you like in your content using a shortcode.

  

  Hustle integrates with all popular email services and offers advanced marketing features like exit-intent, adblocking override, form design customization, and conditional logic.

  The Pro version includes unlimited popups, slide-ins, social share bars, and embeds. Both Free and Pro are compatible with WordPress Multisite networks.

  Hustle Pro is included as part of a WPMU DEV membership, which gives you access to an entire suite of excellent plugins, plus web hosting.

• MailChimp for WordPress (Free + Premium)

  

  MailChimp for WordPress is a simple plugin that lets you create a customizable sign-up form you can display anywhere on your site using a shortcode. You can also add checkboxes to your sign-up form.

  Easily integrate your MailChimp account with the plugin – all you need is your MailChimp API key.

  This plugin comes with a bunch of details forms themes, or you can create your own.

  There’s also a pro version which allows you to create multiple sign-up forms, a CSS styles builder and custom color themes, statistics, and WooCommerce and Easy Digital Downloads checkout integration. The pro version starts at $49 a year for one site.

• Ninja Popups for WordPress (Premium)

  

  Ninja Popups is a hugely customizable plugin that allows you to convert visitors to your site, offer a discount/coupon or leaving customers, or lock content until a visitors share your site.

  Key features include A/B split testing, great themes layout, exit intent and analytics. Ninja Popups also supports many email marketing services, including MailChimp, Aweber, MailPoet, Constant Contact, Get Response and Infusionsoft.

  It can also be integrated with the popular social networks, including Facebook, LinkedIn, Twitter and Google+.

  Ninja Popups is available for $20 at CodeCanyon.

Choosing an Optin Solution

This list features a select number of plugins that offer a range of features. All of them come with email marketing integration.

Hybrid Connect is a popular option and offers a huge range of features. If you’re after another professional option with lots of bite, Hustle is worth checking out. It includes options for form customization, social media integration, and advanced marketing features.

If you’re looking for a simple, free solution. SumoMe’s suite of plugins are a great option and take no time at all to install.