8 Best WordPress Email Opt-In Plugins

Are you looking to build your email list and engage with your website visitors more effectively? 

Email opt-in plugins are essential for capturing leads and growing your subscriber base. In the competitive landscape of digital marketing, capturing and nurturing leads is crucial for business growth. According to HubSpot’s 2023 report, companies that use email marketing see an average ROI of $42 for every $1 spent. This underscores the importance of effective email opt-in strategies. 

In this listicle, we’ll explore the top 8 WordPress email opt-in plugins that offer a range of features, from customizable forms and pop-ups to advanced targeting and analytics. 

Whether you’re a blogger, marketer, or business owner, these plugins will help you create compelling opt-in forms and boost your email marketing efforts. 

Let’s dive into the best options available!

What is an opt-in plugin? 

An opt-in plugin is a tool used on websites to help collect email addresses and other contact information from visitors. These plugins typically create forms, pop-ups, slide-ins, or other interactive elements that encourage users to subscribe to newsletters, updates, or special offers. Opt-in plugins are often used for building email lists, which can be critical for marketing campaigns. Key features of opt-in plugins usually include:

  • Customizable Forms – You can design forms that match your website’s branding.
  • Integration with Email Marketing Services – Connects with platforms like MailChimp, Constant Contact, or AWeber.
  • A/B Testing – Helps determine which form designs or offers are most effective.
  • Analytics – Tracks performance metrics such as conversion rates.
  • Triggers and Targeting Options – Defines when and where forms appear based on user behavior or demographics.

1. MailOptin

Grow and engage your email subscribers with MailOptin

MailOptin is a powerful WordPress plugin designed to help you grow your email list and improve your marketing efforts. It enables you to display signup forms, targeted messages, and call-to-actions across your website in various formats, including popups, in-post subscription forms, notification bars, slide-ins, and sidebar widgets. With its user-friendly popup maker, you can create stunning lead-generation campaigns quickly and efficiently, ensuring you capture more leads and convert more visitors into subscribers and customers.

Key features:

  • Show opt-in forms as popups (lightbox or modal), in-post subscription forms, notification bars, slide-ins (scroll boxes), or sidebar widgets to capture leads effectively.
  • Create beautiful and professional-looking popups and forms within minutes without needing any coding skills.
  • Test different form designs and content to determine the most effective strategies for your audience.
  • Track and analyze the performance of your opt-in forms and campaigns to make data-driven decisions.
  • Seamlessly integrate with popular email marketing services like MailChimp, HubSpot, AWeber, and more for streamlined email list management.

Pricing:

  • Free 
  • Standard: $99/year for 1 site
  • Pro: $289/year for 3 sites
  • Agency: $499/year for unlimited sites

Customer Rating: 4.8 out of 5 stars

2. OptinMonster

OptinMonster is a #1 Marketing toolkit for WordPress

OptinMonster is a leading WordPress plugin renowned for its comprehensive features and ease of use in capturing email leads. Its intuitive drag-and-drop builder and extensive template library enable you to design various opt-in forms, from eye-catching lightbox pop-ups to engaging in-post campaigns. 

The plugin integrates smoothly with major email marketing platforms, including MailPoet, Mailchimp, Aweber, GetResponse, and HubSpot, making it an excellent tool for managing and optimizing your lead generation efforts.

Key features:

  • Easily design stunning opt-in forms and campaigns without any coding skills using the intuitive drag-and-drop builder.
  • Utilize behavioral triggers, geo-location, and device-based targeting to deliver personalized content and offers to the right audience at the right time.
  • Track the performance of your campaigns with detailed analytics and A/B testing to optimize your strategies and maximize conversions.
  • Capture visitors before they leave your site with exit-intent popups that offer targeted messages or incentives.
  •  Access a wide range of professionally designed templates that can be customized to match your brand and campaign goals.

Pricing: 

  • Free
  • Basic: $25/month 
  • Plus: $50/month 
  • Pro: $75/month
  • Growth: $125/month

Customer Rating: 4.3 out of 5 stars

3. Hustle

Hustle is a versatile and easy-to-use tool designed to create and manage popups

Hustle is a versatile and easy-to-use tool designed to create and manage popups on your WordPress site. With its range of customizable options, this plugin enables you to engage visitors, capture leads, and promote offers effectively. Whether you need simple notifications or complex marketing messages, WordPress Popup provides a flexible solution to enhance user interaction and drive conversions.

Key features:

  • Use the built-in editor to design popups that match your brand, including options for layout, color, and content.
  • Create various types of popups such as lightbox, slide-in, and fullscreen, to suit different marketing goals and website styles.
  • Display popups based on user behavior, such as time on page, scroll depth, or exit intent, to ensure your messages reach the right audience.
  • Ensure that your popups look great and function properly on all devices, including desktops, tablets, and smartphones.

Pricing:

  • Free
  • Basic: $15/month for 1 site
  • Standard: $25/month for 3 sites
  • Freelancer: $50/month for 10 sites
  • Agency: $100/month for unlimited sites

Customer Rating: 4.4 out of 5 stars

4. MailPoet

MAilPoet - Better email for WordPress -powered websites.

MailPoet empowers you to manage your email marketing campaigns directly from your WordPress dashboard. With MailPoet, you can effortlessly create, send, and oversee your email newsletters and automated messages, all without leaving your WordPress site. The intuitive newsletter builder allows you to design stunning emails from scratch or use responsive templates that look great on any device.

Used by over 700,000 WordPress websites since 2011, MailPoet is a reliable choice for effective email marketing.

Key features:

  • Craft beautiful emails with ease using the drag-and-drop editor and a selection of responsive templates.
  • Schedule newsletters to go out at a specific time, send them immediately, or automate notifications for new blog posts with just a few clicks.
  • Fully integrates with WordPress, providing a smooth experience for website owners to manage their email marketing from within their dashboards.
  • Set up automated email sequences, including welcome messages and post updates, to engage your audience effortlessly.

Pricing:

  • Free
  • Basic: $11/month (billed monthly)
  • Pro: $13/month (billed monthly)
  • Agency: $33/month (billed monthly)

Customer Rating: 4.4 out of 5 stars

5. Thrive Leads

Thrive Leads is a premium WordPress plugin designed to enhance your conversion rates

Thrive Leads is a premium WordPress plugin designed to enhance your conversion rates by offering a diverse array of opt-in forms. It keeps your audience engaged with a variety of form types, ensuring they don’t encounter the same design repeatedly. Thrive Leads supports ten different opt-in forms, including popups, sticky ribbons, inline forms, and more.

Key features:

  • Utilize a robust A/B testing engine to compare different form designs, types, triggers, and offers, with automatic performance monitoring to optimize your results.
  • Benefit from automated tracking of test performance, allowing you to make data-driven decisions and improve conversion rates effectively.
  • Choose from a wide range of opt-in form types, including lightbox popups, sticky ribbons, and more.
  • Tailor your opt-in forms based on categories, posts, tags, and other criteria to ensure relevance and increase productivity.
  • Integrate with all kinds of email marketing services smoothly. 

Pricing: 

  • Basic: $99/year
  • Plus: $199/year
  • Pro: $249/year
  • All Access: $499/year

6. Fluent Forms

Fluent Forms is an advanced and lightweight contact form builde

Fluent Forms is an advanced and lightweight contact form builder for WordPress, designed to be both user-friendly and highly customizable. This no-code form builder caters to beginners and advanced users alike with its intuitive drag-and-drop interface. 

Fluent Forms allows you to create forms effortlessly, offering powerful features without the need for coding knowledge. The forms you create are reusable and duplicable, streamlining the process of building and managing multiple forms.

Key features: 

  • Build forms from scratch without needing any coding skills, thanks to the plugin’s click-and-drop and drag-and-drop functionality.
  • Save time with reusable and duplicable forms that simplify the creation and management of multiple forms.
  • Implement built-in anti-spam measures like reCAPTCHA and honeypot to prevent spam submissions.
  • Set up automated email notifications and confirmations to keep users informed and manage form submissions efficiently.
  • Create dynamic forms with conditional logic that shows or hides fields based on user input.

Pricing

  • Free
  • Single Site License: $79/year
  • Agency License: $111/year
  • Unlimited License: $209/year

Customer Rating: 4.8 out of 5 stars

7. Bloom

Bloom is a premium email opt-in plugin

Bloom is a premium email opt-in plugin designed to transform your website visitors into loyal followers and eventually into customers. With over 100 pre-designed templates, Bloom makes it easy to create compelling opt-in forms that capture attention and drive engagement. This plugin simplifies the process of crafting effective forms, helping you enhance your conversion rates effortlessly.

Key features:

  • Display forms on specific pages and posts to tailor your opt-in strategies to different parts of your site.
  • Optimize form performance with sophisticated A/B testing capabilities to compare different designs and strategies.
  • Choose from over 100 pre-designed templates for a swift and professional campaign setup.
  • Gain valuable insights into your campaigns with comprehensive conversion reports and statistics to drive continuous improvement.

Pricing: 

  • Yearly Access at $89 per year
  • Lifetime Access for a $249 one-time payment

8. Icegram

Icegram is a standout opt-in plugin

Icegram is a standout opt-in plugin that simplifies the creation of engaging opt-in forms and call-to-actions (CTAs) without requiring any technical skills. Packed with a range of powerful features, Icegram enables users to design visually appealing forms and messages easily. If you’re looking for a versatile tool that goes beyond standard opt-in functionalities, Icegram is an excellent choice for enhancing user engagement and driving conversions.

Key features:

  • Create and display popups, notifications, and call-to-action bars to capture leads and engage visitors.
  • Access a selection of pre-designed templates for a quick and attractive setup of your messaging campaigns.
  • Set custom triggers to control the timing and display of your messages, enhancing their relevance.
  • Ensure your messages look great and function properly on all devices with responsive design features.
  • Offer a drag-and-drop editor to easily design and customize your opt-in forms and messages without needing coding skills.

Pricing:

  • Free
  • Pro: $129/year
  • Max: $229/year

Customer Rating: 4.7 out of 5.0 star

FAQs

Why should I use an email opt-in plugin?

These forms are used to collect visitor information, such as email addresses, typically in exchange for newsletters, free downloads, or promotional offers. It provides an easy and effective way to capture leads and build relationships with your subscribers.

What features should I look for in an email opt-in plugin?

When choosing an email opt-in plugin, consider features such as:

  • Customizable opt-in forms
  • Integration with email marketing services
  • Analytics and A/B testing
  • Mobile responsiveness
  • Exit-intent pop-ups
  • GDPR compliance

Can I integrate my email opt-in plugin with my email marketing service?

Yes, most email opt-in plugins integrate seamlessly with popular email marketing services like Mailchimp, AWeber, Constant Contact, and more. Check the plugin’s documentation which you choose for specific integration instructions.

How can I increase my opt-in conversion rates?

To increase conversion rates:

  • Use eye-catching design and visuals
  • Offer valuable incentives
  • Place forms in strategic locations (e.g., above the fold, in pop-ups)
  • Utilize social proof (e.g., testimonials, subscriber counts)
  • Regularly test and optimize form performance

Are email opt-in plugins GDPR compliant?

Many email opt-in plugins offer features to help ensure GDPR compliance, such as adding consent checkboxes and privacy policy links. It’s important to configure these settings correctly and stay informed about data privacy regulations.

Can I track the performance of my opt-in forms?

Definitely yes, most email opt-in plugins provide analytics and reporting features to track form performance. You can monitor metrics like conversion rates, views, and submissions to optimize your forms for better results.

What should I do if my opt-in forms are not displaying properly?

If your opt-in forms are not displaying correctly:

  • Ensure the plugin is up to date
  • Check for conflicts with other plugins or themes
  • Review the plugin’s documentation for troubleshooting tips
  • Contact the plugin’s support for assistance

Final Verdict

Once you’ve selected an opt-in plugin, ensure it’s integrated with your email platform to transfer leads effectively. 

Be aware that some plugins may require additional purchases to enable full integration with your email platform. To streamline this process, consider using a native WordPress email plugin for added convenience.

In 2024, marketers should prioritize growing their email lists organically by offering compelling lead magnets in exchange for sign-ups. By curating targeted lists based on buyer personas, customer lifecycle stages, and behaviors, businesses can significantly improve open and click-through rates.

That wraps it up! Let us know which plugin you find most appealing, and if you’re already using any of these options, we’d love to hear about your experience. Share your thoughts and feedback in the comments section below.

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