9 Best Email List Building Tools to Grow Your Subscribers

| | March 21, 2024

Building an email list is one of the most important parts of any successful online business. An email list is a group of people that you have collected information about, and who have given you permission to contact them with offers or services.

The best list building tools are those that allow you to capture, manage, and grow your email list without the hassle of setting up the software all by yourself.

In this article, I am going to compare and review some of the most popular and best email list building software of 2023 in terms of ease of use, features, pricing, pros & cons and more.

Let's get started.

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Email List Building Tools

Which is the Best List Building Software?

Email list building is an important part of any marketing strategy. It is not just about collecting email addresses. It’s also about building relationships with your customers and prospects. It’s about nurturing them and making them feel special. 

This is the only way you can get ahead of your competitors and make your business grow. With the help of list building tools that I am going to highlight below, you can achieve all this with ease.

So, here are the 9 best email list building software to quickly build an email list for your business.

best overall email marketing service provider

Convertkit is one of the most popular email marketing tools that allows users to create and send beautiful emails, create beautiful landing pages, manage subscribers, track email campaign results and more.

It has a drag-and-drop editor that makes it easy to design emails that look professional and engaging. You can also set up automation to make sure you always stay top of mind with your customers.

It easily integrates with various other platforms like Shopify, WordPress, and Mailchimp. You can even use ConvertKit to sell your own digital products like eBooks, templates, videos and more.

Beginners can join the free plan by ConvertKit where they can build up an email list of up to 300 subscribers. If you want to build a high-quality email list join the free ConvertKit plan here.

key features

  • Free plan to build an email list of up to 300 subscribers
  • Allows to create unlimited landing pages
  • Create unlimited email sign-up forms
  • Send unlimited emails to your email subscribers
  • Organize your subscribers using the tag and segment features
  • Sell your digital products and subscriptions
  • Migrate your email list from another email service provider
  • Send automated emails to your subscribers
  • Support third-party integrations


ConvertKit offers the following plans - Free ($0/month), Creator (starting from $9/month for 300 subscribers) and Creator Pro (starting from $25/month for 300 subscribers).

The pricing plan is tier-based which means your pricing will increase or decrease depending on the number of subscribers on your list.

ConvertKit allows first-time users to join the free plan and collect up to 300 subscribers. In the free plan you can create unlimited landing pages, email opt-in forms and send unlimited emails. Even the paid plans come with a 14-day free trial (no credit card required).

best free email marketing service provider

Systeme.io is a popular all-in-one online marketing platform that offers important tools to help you launch, grow, and scale your blog or any other online business. 

Using the platform, you can easily create sales funnels, build email lists, send automated marketing emails, sell digital products, create and manage online courses, run affiliate programs, set up a website and much more. 

The Systeme.io platform is so feature-rich that you can automate almost every aspect of your online business.

And the icing on the cake is its very generous free plan. Under the free plan, you can collect up to 2000 subscribers and send unlimited emails. You can build sales funnel, create one blog, one course, automation rules and more.

key features

  • Free plan that allows you to build your email list up to 2000 contacts
  • Create unlimited email campaigns - alternative to ConvertKit, ActiveCampaign
  • Create sales funnel - alternative to Kajabi, Clickfunnels and Kartra
  • Create your own blog and publish blog posts for free
  • Create courses with its inbuilt student management system
  • Sell your own digital products or become a drop shipper
  • If you have a product, you can even launch your own affiliate program


Systeme.io comes with four plans that include - Free ($0/month), Startup ($27/month), Webinar ($47/month) and Unlimited ($97/month).

The free plan by Systeme.io comes loaded with lots of popular marketing features. Beginners can join the free plan and start building a mailing list, sales funnel, courses and more. Create your free account using the link given below.


OptinMonster is the best lead generation software available and it's perfect for anyone who wants to increase their list size.

With over 1 million users, it allows you to create beautiful optin forms that convert more visitors into subscribers and customers.

Using its drag and drop builder, you can create optin forms that are highly effective, match your brand, and look great on any kind of devices - desktop, table or mobile.

Using OptinMonster, you can increase your leads and sales. It also comes with a powerful email marketing integration that makes it easy to send your new leads to your email list.

OptinMonster's exit intent technology allows to capture leads when visitors are about to leave your website. When a visitor tries to leave your site, a popup will appear with a special offer or discount which encourages them to stay on your site and convert into a lead or a customer.

OptinMonster plans start at just $9 per month, making it one of the most affordable lead capture tools available. Plus, it offers a 14-day money-back guarantee on all its paid plans, so you can buy it risk-free.

If you're serious about growing your email list, then you need to try OptinMonster today.

key features

  • The user interface is very intuitive to use
  • You can create beautiful optin forms in just a few minutes without any coding
  • Offers over 100 high-converting templates to create beautiful optin forms & popups
  • OptinMonster's forms and popups are 100% responsive, so they look great on all devices
  • The multi-step optin form allows you to capture leads in multiple steps, which can increase your conversion rate by up to 70%
  • It integrates with all major email service providers like ConvertKit, Aweber and others
  • A/B testing feature allows to test different versions of your optin forms and popups to see which one performs better
  • Provides real-time analytics so you can see how your optin forms are performing
  • It comes with a 100% money-back guarantee, so you can try it risk-free


OptinMonster offer the following paid plans - Basic ($9/month), Plus ($19/month), Pro ($29/month) and Growth ($49/month).

Join OptinMonster and start converting your site visitors into subscribers. Optinmonster offers a 14-day money-back guarantee so that you can get your investment back if you're not satisfied with the results.

best affordable lead generation software

If you're looking for an email list-building tool that’s both powerful, easy to use and most importantly affordable, you should definitely check out Thrive Leads from Thrive Themes.

Thrive Leads offers most of the features offered by OptinMonster and at only $97/year, it is one of the best alternatives to OptinMonster whose Pro Plan is priced at $29/month which may not be affordable to all.

Using Thrive Leads, you can create beautiful opt-in forms and popups from its dozens of pre-built templates that are designed to convert. You can create both traditional opt-in forms and popups, as well as “smart opt-in forms” that are triggered based on visitor behavior.

Another popular feature by Thrive Leads is A/B testing using which you can easily create multiple versions of your lead capture forms and test which one converts best.

Like OptinMonster, Thrive Leads also offers exit intent technology to detect when someone is about to leave your site and displays a relevant offer. This is an incredibly effective way to convert more leads into customers.

If you want to learn more about its features and benefits, check out our article - Thrive Leads Review, where you'll learn more about its features & benefits, ease of use, pricing, and more.

key features

  • Offers a range of ready-made email capture forms that are fully customizable
  • Create your own lead capture forms from scratch using its drag-and-drop form builder
  • Allows triggers to display forms based on the content of your page
  • Offers built-in conversion tracking feature
  • A/B testing to check different versions of your forms and lead capture pages
  • Integrates with all the major email marketing and CRM platforms
  • Detailed analytics so you can see exactly how your opt-in forms are performing
  • 30-day money-back guarantee with unlimited updates and support


You can buy Thrive Leads at $97/year as a standalone WordPress plugin and start adding opt-in forms to your website to grow an engaged mailing list.

Or you can subscribe to Thrive Suite at $299/year at  that offers all the plugins (Thrive Architect, Thrive Apprentice, Thrive Comments, Thrive Ultimatum, etc.) including Thrive Leads.

Thrive Leads is the most powerful lead generation plugin for WordPress, and it's going to help you get more leads and grow your business like never before. You also get 30 day money-back guarantee on your purchase. Try Thrive Leads risk-free using the link given below.

Conversion rate is one of the most important KPIs for any website. It is a measure of how successful a website is at converting visitors into leads or sales. A low conversion rate means that a website is not doing a good job of converting visitors into customers.

If you're not happy with your website's conversion rate, it might be time to consider using Unbounce. It is a tool that can help you increase your website's conversion rate by making it easier for visitors to take the actions you want them to take. 

For example, with the help of Unbounce, you can create landing pages that are specifically designed to get visitors to take a specific action, such as signing up for an email newsletter or making a purchase.

Creating a landing page is super easy with Unbounce. You can use their drag-and-drop editor to create a page without having to code or just use their ready-made templates.

Once you've created your landing page, you can use Unbounce's A/B testing tool to test different versions of your page to see which one converts the best.

One of the remarkable features that make Unbounce different from others is Dynamic Text Replacement. It is a feature that allows you to customize your landing pages for each visitor, which can help increase conversion rates.

If you want to learn more, check out our review on Unbounce, where I have explained all its features and benefits.

key features

  • Offers more than 100 conversion-focused landing page templates
  • The drag & drop builder allows to create landing pages without any coding knowledge
  • It offers powerful lead capture forms that can help you generate more leads
  • The A/B testing feature can check different versions of your landing pages and test different elements to see what works best
  • It seamlessly integrates with popular marketing and analytics tools, which makes it easy to track your marketing results and optimize your campaigns
  • Offers a 14-day free trial on all of its paid plans


Unbounce offers the following paid plans - Launch ($90/month), Optimize ($135/month) and Accelerate ($225/month). It also offers a free 14-day trial on its paid plan that gives you full access to all of the corresponding plan features.

If you're looking for a powerful landing page builder for your online business, Unbounce is a great option. With its drag-and-drop page builder, A/B testing, and built-in lead generation tools, you can create high-converting landing pages. Join 14-day free trial of Unbounce using the link given below.

all-in-one lead generation and marketing platform

Another popular list building tool in our list is Woorise.

Woorise is the ultimate platform for creating viral contests, giveaways and landing pages that will help you increase leads and conversions. With Woorise, you can easily create beautiful and engaging forms, landing pages and contests that are sure to capture the attention of your target audience.

What’s great about Woorise is that it’s extremely user-friendly and easy to use. Even if you’re not a tech-savvy individual, you’ll be able to create stunning campaigns using its multiple tools that will get results.

If you're looking for a way to create viral giveaways and contests, landing pages, engaging forms and generating email leads, then you need to check out Woorise.

key features

  • Pre-made campaign layout to help you start your first giveaways and contests
  • Create an unlimited number of landing pages for giveaways, contests, forms, quizzes, surveys
  • 1-click random winner feature to help you choose the winner of a giveaway or contest
  • Create forms for event registration or email newsletter sign-ups
  • Use conditional logic to show or hide form fields, social actions, confirmation messages or send personalized email notifications
  • Ability to embed Woorise campaigns on your website, as a pop up, in a full screen, in chat, exit intent, in email or on the Facebook page
  • Real-time analytics to see how your campaigns are performing
  • Support integration with marketing tools like - ConvertKit, HubSpot, Aweber and more
  • Create your campaign in your preferred language including RTL languages


Woorise pricing plans are as follows - Free ($0/month), Basic ($23/month), Grow ($39/month) and Pro ($79/month).

Woorise is the perfect platform for businesses of all sizes. Beginners can join the forever Free plan with a limit of 500 entries per month. Plus, by signing up for a free Woorise account you can try the Pro plan for 14 days. No credit card is required.

best tool to find email address online

Hunter.io is the best tool for finding email addresses. It's simple to use and it's free for up to 25 monthly searches. You can find email addresses by domain name or by searching for people's names.

I've been using Hunter.io for a few months now and it's been a great help in finding email addresses for the people I need to contact. I also use MailTracker by Hunter to track emails that I send using my Gmail accounts to my prospects.

That is why I consider Hunter.io as one of the best email list-building tools that you may want to try for your business.

The search function is beginner-friendly and easy to use. You can also use the advanced search function to find more specific results.

The best part about Hunter.io is that it is available as both free and paid versions. You can find 25 email addresses every month for free with this tool. If you want more features like email tracking, email verification, you can upgrade to the premium plans.

I highly recommend Hunter.io to anyone who needs to find email addresses of their prospects. It's a great list builder that's simple to use and it's free.

key features

  • Searches email addresses by the domain name
  • Find email addresses of the professionals using Email Finder one by one or in bulk
  • Email Verifier checks the email address to ensure email deliverability
  • Find authors of any articles and their email addresses in seconds using Author Finder
  • Offers the ability to compose campaigns and schedule follow-ups from your Gmail or Outlook account
  • Browser extension (Chrome & Firefox) lets you immediately find the email addresses behind the websites you're browsing
  • Find and verify email addresses directly in Google Sheets
  • Supports third-party integration with marketing platforms - HubSpot, Gmail, Zapier
  • A completely free plan supports up to 25 email addresses per month


Hunter.io offers the following pricing plans - Free ($0/month), Starter ($49/month), Growth ($99/month), Pro ($199/month) and Business ($399/month).

Hunter.io is a powerful email search engine that can help you find any email address in seconds. I highly recommend it to anyone who needs to find email addresses quickly and easily. Join the free plan and collect up to 25 email addresses every month.

best tool to create ebooks from existing content

Another popular tool that can help you build and grow your email subscribers quickly is Designrr. It is a web-based software that allows you to create an eBook by repurposing your existing content and converting it into an eBook.

You can then offer your eBook to your audience as a lead magnet. You can create an email collector form and offer your eBook by integrating with popular email marketing tools like Mailchimp or ConvertKit. 

Any person interested in your eBook can sign up for your list by entering their name and email address. As soon as they sign up, you can send an automated email to your subscribers with a link to download your eBook.

The content that can be converted by Designrr into eBooks are:

  • Blog Posts
  • YouTube Videos
  • Audio
  • Podcasts
  • Facebook Posts
  • Old PDFs
  • MS Word or Google Docs document

If you want to learn more about Designrr, check out my in-depth review where I have explained in detail its features & benefits, ease of use, pricing, pros & cons, eBook formats and more.

key features

  • Easily transform your existing content into eBooks
  • Offer easy to use interface with in-built WYSIWYG editor
  • Offer hundreds of pre-built templates
  • Offer copyright-free images to be used in your eBook 
  • Easily add Table of Content, Header & Footers, Page Number, Fonts and more
  • Download eBook in PDF, Kindle format (mobi) and epub formats
  • Easily convert your eBook into a Flipbook
  • Lifetime deal of Standard Plan is currently available at only $27


Designrr offers the following pricing plans - Standard ($29/month), Pro ($39/month), Premium ($49/month) and Business ($99/month).

Designrr Standard Plan which normally cost $29/month is currently available at a ONE-TIME FEE of only $27. Sign-up for the lifetime deal using the special link given below.

Best Conversion Optimization Tool

Picreel is a powerful email list-building tool designed to help businesses grow their subscriber base effectively. With its innovative features and user-friendly interface, Picreel stands out as a top choice for enhancing lead generation efforts.

It helps you create attractive exit-intent pop-ups, overlays, and forms that capture visitors' attention at the right moment before they leave your website.

You can design captivating campaigns that perfectly reflect your brand's personality by choosing from a wide range of colors, fonts, and images.

What sets Picreel apart is its laser-focused targeting capabilities. You can precisely tailor your campaigns based on visitor behavior, referral source, or even their geographic location.

But that's not all; Picreel seamlessly integrates with popular email marketing platforms, allowing you to effortlessly nurture your captured leads through targeted email campaigns.

key features

  • Convert abandoning visitors into subscribers with attention-grabbing pop-ups
  • Create visually stunning campaigns that match your brand's style
  • Display campaigns based on behavior, referral source, or location for maximum impact
  • Sync leads effortlessly with popular email marketing platforms
  • Optimize campaigns by testing different variations for better performance
  • Gain insights with detailed campaign analytics and reports
  • Ensure a seamless experience on mobile devices
  • Capture attention at the moment visitors are about to leave your site


Picreel comes with one simple price for everyone, which starts at $39.97/month. Picreel also offers a 15-day free trial which gives you access to all the available perks and features.

Picreel is one of the best conversion optimization tool for businesses. With a starting price of $39.97/month and a 15-day free trial, Picreel is a must-have for boosting subscriber growth. Get started with Picreel using the link below.

Why You Need Email List Building Tools?

Building an email list is one of the most important things you can do for your online business. Here’s why:

1. It’s a great way to stay in touch with your customers and build a relationship with them.

When you have the authentic email addresses of your prospects, you can stay in touch with your customers to suit your business needs and build a relationship with them. You can keep them up-to-date on what’s new with your business, and let them know about special deals and promotions.

2. It’s a great way to drive traffic to your website.

When you have an email list, you can send out emails to your list on a regular basis to drive traffic to your website. You can include links to your website in your emails, and your customers will be able to click on those links and be taken to your website.

3. It’s a great way to increase sales.

When you have an active email list, you can focus on your email marketing efforts to increase sales. You can send out specific emails with special offers and coupons. You can also use your email list to upsell your products and services.

4. It’s a great way to build brand awareness.

When you have an email list, you can use it to build brand awareness. You can send out emails that include your brand logo and information about your business. Your customers will see your brand every time they receive an email from you, and this will help to build brand awareness.

5. It’s a great way to stay organized.

When you have an email list, you can keep track of your customers. You can segment your list into different groups, and you can send out different emails to different groups. This is a great way to stay organized, and it will make it easier to keep track of your customers.

Building an email list is a great way to stay in touch with your customers, build a relationship with them, drive traffic to your website, and increase sales. If you’re not building an email list for your online business, you’re missing out on a lot of opportunities.

The email list building software tools covered in this article will certainly help you achieve a lot of email subscribers and customers.

How to Choose the Best List Building Tools?

When it comes to choosing the right list building software, you want to prioritize the features that will give you the most bang for your buck.

Here are some key factors that you should consider before making your decision: 

  1. User-Friendliness: When it comes to list building, user-friendliness is key. You want a platform that is easy to use and doesn't require you to be a tech expert to make the most out of it. Most of the list building tools covered here offers extensive documentation and video tutorials to help you get started with list building.
  2. Features: Different software solutions offer different features, so make sure to choose one that has all the features you need. Consider features such as segmentation, automation, list segmentation, and contact management.
  3. Cost: It's important to choose a list building software that fits within your budget. Look for a platform that offers a variety of pricing plans so you can determine which one works best for your business.
  4. Test Out the Software: Most list building software providers offer free trials, so you can join the trials to try out the list building platform and upgrade later. Test out each feature and see how easy it is to use. If a particular list building software worked as you have wanted then you can always sign up for a paid subscription after the expiry of the free trial.
  5. Integrations: Look for list building software that offers integrations with other key marketing tools like email marketing software and customer relationship management (CRM) platforms.
  6. Support: When it comes to list building, customer support is essential. Make sure the software you choose has a knowledgeable and responsive customer support team to help you with any issues you have. 

Choosing the right list building software can be a challenge, especially when you consider the number of options available. But keep these key factors in mind and you'll find the best list building software for your business.

Best Ways to Capture Email Addresses

Collecting email addresses of website visitors is essential for any business that wants to stay connected with their customers. It provides an easy way to keep your customers informed about new products, services, promotions, and more.

But how do you go about collecting email addresses from your website visitors? Here are some of the best methods that you can implement using the email list building tool for collecting email addresses from your website visitors.

1. Use Opt-In Forms

Opt-in forms are a great way to get your customers to subscribe to your email list. All you need to do is add a simple form to your website, and then visitors can enter their email address and sign up for your list in exchange for something valuable. This could be a discount coupon, a free eBook, or even just a newsletter subscription.

2. Give Away Something Valuable

Everyone loves getting something for free. You can use this to your advantage by giving away something valuable to your website visitors in exchange for their email address. This could be a free eBook, a discount coupon, a free trial of your product or even something more creative like a free consultation or a chance to win a prize.

3. Offer a Newsletter Sign-Up

One of the easiest ways to collect email addresses from your website visitors is to offer a newsletter sign-up. On your website, include a sign-up box where visitors can enter their email address and opt-in to receive your newsletter. This can be located at the footer or sidebar of your website, or even on a dedicated page.

4. Use Exit Pop-Ups

Exit pop-ups are a great way to capture the email addresses of visitors who are about to leave your website. You can include an offer or incentive on the sign-up form in the pop-up, which will encourage visitors to submit their email address before they leave.

5. Host a Giveaway

Hosting a contest or giveaway is a fun way to get website visitors to submit their email address. You can offer a prize to the winner and require entrants to sign up for your email list in order to participate in the contest. Woorise is the best lead building software for running viral contests and giveaways on your site.

These are some of the best ways to collect email addresses of your website visitors. By using these methods, you can easily grow your email list and stay connected with your customers.

Wrapping Up

I hope by going through this article, you may now know why building email lists are so much important for online businesses and how you can use the list building software covered here to grow your list. 

If you’re not already using these tools for email list building, then you’re missing out a lot on growing your business.

I would recommend you try the set of tools on this list. I am already using most of these tools for my blogs to make more affiliate sales and of course, to grow my email list.

Which email list building software do you like the most and why? Please offer your comments below.

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Deepak Choudhary

Deepak Choudhary is the founder of Technicalwall.com. He is a Blogger and an Affiliate Marketing Expert. He publishes useful articles for newbie bloggers related to the following topics - Affiliate Marketing, Email Marketing, Software Reviews, Software Tutorials, Blogging, WordPress, SEO, Passive Income, and more.