Are you looking to boost your website’s engagement and grow your email list? WordPress popup and opt-in plugins can help you achieve these goals without breaking the bank. In this article, we’ll explore the top 10 free WordPress popup and opt-in plugins for 2025 that can take your website to the next level.
Why Use Popup and Optin Plugins?
Before we dive into the list, let’s quickly discuss why popup and optin plugins are essential for your WordPress website:
- Grow your email list
- Increase conversions
- Promote special offers
- Gather feedback from visitors
- Reduce cart abandonment
Now, let’s explore the best free options available in 2025.
1. OptinMonster
OptinMonster is a powerful and user-friendly popup plugin that offers a free version with impressive features. It’s perfect for beginners and experienced users alike.
Key Features:
- Easy-to-use drag-and-drop builder
- Multiple campaign types (popups, floating bars, slide-ins)
- Basic targeting and trigger options
- Mobile-friendly designs
- Integration with popular email marketing services
While the free version has some limitations, it’s an excellent starting point for those new to popup marketing.
2. Popup Maker
Popup Maker is a versatile plugin that allows you to create various types of popups for different purposes. It’s highly customizable and works well with other plugins, including WooCommerce.
Key Features:
- Create unlimited popups
- Multiple popup types (modal, slide-in, bar, etc.)
- Basic targeting options
- Customizable themes
- Compatible with form builder plugins
Popup Maker is an excellent choice for users who want flexibility in their popup designs and functionality.
3. Hustle
Hustle is a feature-rich popup and opt-in plugin that offers a generous free plan. It’s part of the WPMU DEV suite of plugins, known for their quality and reliability.
Key Features:
- Three module types: popups, slide-ins, and embeds
- Custom content and widget areas
- Basic targeting and trigger options
- A/B testing capabilities
- Integration with popular email marketing services
Hustle is ideal for users who want a comprehensive solution with advanced features in the free version.
4. Sumo
Sumo offers a suite of marketing tools, including a powerful popup and opt-in plugin. The free version provides enough features to get you started with list building and engagement.
Key Features:
- Multiple popup types (list builder, welcome mat, scroll box)
- Basic targeting options
- Mobile-friendly designs
- Integration with major email marketing platforms
- Simple analytics to track performance
Sumo is great for users who want an all-in-one marketing solution with popup functionality included.
5. MailChimp for WordPress
If you’re using MailChimp as your email marketing service, this plugin is a no-brainer. It offers a simple way to add signup forms and popups to your WordPress site.
Key Features:
- Easy integration with MailChimp
- Basic popup and form builder
- Customizable designs
- GDPR compliance tools
- Works with popular form plugins
This plugin is perfect for MailChimp users who want a straightforward solution for adding popups and opt-ins to their site.
6. Popup Box
Popup Box is a lightweight yet feature-packed plugin that allows you to create various types of popups without any coding knowledge.
Key Features:
- 15 different popup types
- Responsive designs
- Basic targeting and trigger options
- WooCommerce integration
- Customizable animations and styles
Popup Box is ideal for users who want a wide variety of popup options without the complexity of more advanced plugins.
7. WP Subscribe
WP Subscribe is a simple and lightweight plugin that focuses on email subscriptions. It’s perfect for bloggers and small businesses looking to grow their email lists.
Key Features:
- Easy setup and configuration
- Support for major email marketing services
- Customizable design options
- Widget and shortcode support
- Mobile-friendly
If you’re looking for a no-frills solution to add subscription forms to your site, WP Subscribe is an excellent choice.
8. Icegram
Icegram is a versatile plugin that offers a range of popup and opt-in types to engage your visitors. The free version includes several useful features to get you started.
Key Features:
- Multiple campaign types (popups, action bars, toast notifications)
- Basic targeting and trigger options
- Pre-designed templates
- A/B testing capabilities
- Integration with popular email marketing services
Icegram is great for users who want a variety of engagement tools beyond just popups.
9. Ninja Popups
Despite its name, Ninja Popups offers a free version with basic functionality. It’s a good option for users who want to test the waters before committing to a paid solution.
Key Features:
- Simple popup builder
- Basic targeting options
- Customizable designs
- Integration with major email marketing platforms
- Mobile-friendly popups
Ninja Popups is suitable for users who want a straightforward popup solution with the option to upgrade for more advanced features.
10. Brave Popup Builder
Rounding out our list is Brave Popup Builder, a user-friendly plugin that offers a decent set of features in its free version.
Key Features:
- Drag-and-drop popup builder
- Multiple popup types
- Basic targeting and trigger options
- Responsive designs
- Integration with popular email marketing services
Brave Popup Builder is a solid choice for users who want an easy-to-use popup creator with room to grow.
Conclusion
Popup and opt-in plugins can be powerful tools for growing your email list and engaging your website visitors. The ten free plugins we’ve discussed offer a range of features to suit different needs and skill levels. Remember to choose a plugin that aligns with your goals and follows best practices for the best results. By implementing these free popup and opt-in plugins effectively, you can significantly boost your website’s performance and grow your online presence in 2025 and beyond.
