Quick Overview
- 1#1: OptinMonster - Creates high-converting popups, slide-ins, and floating bars to capture visitor emails and grow mailing lists.
- 2#2: Privy - Delivers personalized popups, banners, and forms to capture emails and SMS for ecommerce lead generation.
- 3#3: Wisepops - Designs gamified popups and notifications to boost email signups without disrupting user experience.
- 4#4: Justuno - Uses AI-driven personalization for popups and forms to maximize email capture rates on websites.
- 5#5: Sumo - Provides free and premium tools like list builders and popups to effortlessly collect email addresses.
- 6#6: OptiMonk - Offers smart popups, cartsaver, and onsite messaging to recover abandoned carts and capture emails.
- 7#7: Poptin - Builds AI-powered popups and forms that intelligently target visitors to collect email leads.
- 8#8: Hello Bar - Deploys non-intrusive bars, prompts, and sliders to capture emails from website traffic.
- 9#9: Sleeknote - Creates elegant, customizable slide-in forms and popups optimized for email list growth.
- 10#10: Wheelio - Engages visitors with interactive spin wheels and games to collect emails and drive conversions.
These tools were selected based on key metrics like conversion effectiveness, ease of customization, user-friendly interfaces, and overall value, prioritizing reliability, performance, and adaptability to different business goals.
Comparison Table
Explore a breakdown of top email capture software, featuring OptinMonster, Privy, Wisepops, Justuno, Sumo, and more. This comparison table highlights key features, pricing details, and best use cases to help you select the tool that aligns with your goals for growing subscriber lists.
| # | Tool | Category | Overall | Features | Ease of Use | Value |
|---|---|---|---|---|---|---|
| 1 | OptinMonster Creates high-converting popups, slide-ins, and floating bars to capture visitor emails and grow mailing lists. | specialized | 9.5/10 | 9.8/10 | 9.2/10 | 9.1/10 |
| 2 | Privy Delivers personalized popups, banners, and forms to capture emails and SMS for ecommerce lead generation. | specialized | 9.2/10 | 9.5/10 | 9.1/10 | 8.7/10 |
| 3 | Wisepops Designs gamified popups and notifications to boost email signups without disrupting user experience. | specialized | 8.8/10 | 9.2/10 | 9.5/10 | 8.0/10 |
| 4 | Justuno Uses AI-driven personalization for popups and forms to maximize email capture rates on websites. | specialized | 8.7/10 | 9.2/10 | 8.4/10 | 8.1/10 |
| 5 | Sumo Provides free and premium tools like list builders and popups to effortlessly collect email addresses. | specialized | 8.1/10 | 8.4/10 | 9.2/10 | 7.6/10 |
| 6 | OptiMonk Offers smart popups, cartsaver, and onsite messaging to recover abandoned carts and capture emails. | specialized | 8.6/10 | 9.2/10 | 8.4/10 | 8.1/10 |
| 7 | Poptin Builds AI-powered popups and forms that intelligently target visitors to collect email leads. | specialized | 8.4/10 | 8.7/10 | 9.1/10 | 8.2/10 |
| 8 | Hello Bar Deploys non-intrusive bars, prompts, and sliders to capture emails from website traffic. | specialized | 7.8/10 | 7.5/10 | 9.2/10 | 8.1/10 |
| 9 | Sleeknote Creates elegant, customizable slide-in forms and popups optimized for email list growth. | specialized | 8.3/10 | 8.7/10 | 9.1/10 | 7.6/10 |
| 10 | Wheelio Engages visitors with interactive spin wheels and games to collect emails and drive conversions. | specialized | 7.6/10 | 7.8/10 | 8.5/10 | 7.0/10 |
Creates high-converting popups, slide-ins, and floating bars to capture visitor emails and grow mailing lists.
Delivers personalized popups, banners, and forms to capture emails and SMS for ecommerce lead generation.
Designs gamified popups and notifications to boost email signups without disrupting user experience.
Uses AI-driven personalization for popups and forms to maximize email capture rates on websites.
Provides free and premium tools like list builders and popups to effortlessly collect email addresses.
Offers smart popups, cartsaver, and onsite messaging to recover abandoned carts and capture emails.
Builds AI-powered popups and forms that intelligently target visitors to collect email leads.
Deploys non-intrusive bars, prompts, and sliders to capture emails from website traffic.
Creates elegant, customizable slide-in forms and popups optimized for email list growth.
Engages visitors with interactive spin wheels and games to collect emails and drive conversions.
OptinMonster
specializedCreates high-converting popups, slide-ins, and floating bars to capture visitor emails and grow mailing lists.
Exit-Intent® technology that precisely detects and intercepts visitors about to leave the page with personalized opt-ins
OptinMonster is a premier email capture platform designed to help websites convert visitors into subscribers using customizable popups, slide-ins, floating notification bars, and countdown timers. It excels in behavioral targeting with features like exit-intent detection, scroll-based triggers, and page-level rules to display opt-ins at optimal moments. The tool integrates with over 50 email service providers, offers A/B testing, and provides detailed analytics for refining campaigns.
Pros
- Advanced behavioral targeting including exit-intent and inactivity triggers
- Drag-and-drop builder with extensive templates and customization
- Seamless integrations with major email platforms and e-commerce tools
Cons
- Full feature access requires higher-tier plans
- Steep learning curve for complex targeting rules
- JavaScript dependency may conflict with some site optimizations
Best For
Marketers and e-commerce sites seeking high-conversion email list growth through sophisticated, targeted campaigns.
Pricing
Starts at $9/mo (Basic, billed annually) up to $49/mo (Growth); custom Enterprise plans available.
Privy
specializedDelivers personalized popups, banners, and forms to capture emails and SMS for ecommerce lead generation.
Gamified capture experiences like spin-to-win wheels and referral campaigns that boost opt-in rates significantly
Privy is a comprehensive email capture and onsite conversion platform tailored for e-commerce sites, enabling businesses to collect emails and SMS opt-ins through customizable popups, banners, embeds, and gamified experiences like spin-to-win wheels. It features drag-and-drop builders, A/B testing, real-time analytics, and seamless integrations with ESPs such as Klaviyo and Shopify. Beyond capture, Privy supports automated email and SMS flows to nurture leads into customers, making it a full-funnel growth tool.
Pros
- Highly customizable, high-converting popup and widget templates with gamification options
- Robust A/B testing and analytics for optimizing capture rates
- Excellent integrations with e-commerce platforms and ESPs like Shopify and Klaviyo
Cons
- Pricing scales quickly with contact volume, becoming expensive for large lists
- Advanced automation features may have a learning curve for beginners
- Primarily optimized for web/e-commerce, less ideal for non-storefront sites
Best For
E-commerce store owners and marketers seeking to maximize onsite email and SMS signups with proven, high-conversion tools.
Pricing
Free plan for up to 100 contacts; paid plans start at $29/mo (Launch, 500 contacts), $99/mo (Growth, 5K contacts), up to custom Enterprise pricing.
Wisepops
specializedDesigns gamified popups and notifications to boost email signups without disrupting user experience.
Smart behavioral triggers like exit-intent and inactivity detection that time popups perfectly for maximum engagement.
Wisepops is an on-site messaging platform specializing in email capture through customizable popups, notification bars, and inline forms. It uses smart triggers like exit-intent, scroll depth, and page timing to engage visitors at optimal moments, boosting sign-up rates. With A/B testing, analytics, and integrations for tools like Mailchimp and Klaviyo, it's tailored for e-commerce and content sites aiming to grow email lists without annoying users.
Pros
- Intuitive drag-and-drop editor with hundreds of templates
- Advanced targeting and A/B testing for high conversions
- Seamless integrations with major email service providers
Cons
- No permanent free plan, only a 14-day trial
- Pricing scales quickly with traffic volume
- Primarily popup-focused, less emphasis on multi-channel capture
Best For
E-commerce stores and high-traffic blogs wanting visually appealing, high-converting popups to rapidly grow email lists.
Pricing
Starts at $49/month (annual billing) for up to 10k monthly visitors; higher tiers up to $399+/month, with 14-day free trial.
Justuno
specializedUses AI-driven personalization for popups and forms to maximize email capture rates on websites.
AI Smart Manager for dynamic, real-time personalization based on visitor behavior
Justuno is an advanced on-site personalization platform specializing in email capture through intelligent popups, banners, wheels, and notifications designed to maximize lead generation. It leverages AI for real-time segmentation, A/B testing, and personalized messaging to boost conversions on e-commerce and high-traffic sites. The tool integrates seamlessly with major ESPs like Klaviyo and Mailchimp, enabling efficient email list growth and customer data syncing.
Pros
- AI-powered personalization and smart triggers for high conversion rates
- Extensive template library and drag-and-drop editor for quick setup
- Robust A/B testing and analytics for optimizing campaigns
Cons
- Pricing can be steep for small businesses or low-traffic sites
- Advanced features require time to master
- Limited free tier with basic functionality only
Best For
Mid-to-large e-commerce stores aiming to personalize visitor experiences and scale email list growth with AI-driven tools.
Pricing
Starts at $99/month (Optimize plan) up to $999+/month (Enterprise), with a limited free plan available.
Sumo
specializedProvides free and premium tools like list builders and popups to effortlessly collect email addresses.
Welcome Mat full-page takeover that captures emails from nearly every visitor before they exit.
Sumo is a versatile growth marketing platform specializing in email capture through customizable popups, scroll-triggered forms, and full-page overlays like the Welcome Mat. It enables users to build email lists effortlessly with A/B testing, analytics, and integrations with major ESPs such as Mailchimp and ActiveCampaign. Designed for non-technical users, Sumo also includes social sharing and heatmap tools to boost engagement and conversions.
Pros
- Intuitive drag-and-drop builder for quick setup
- Robust A/B testing and performance analytics
- Generous free plan with essential email capture tools
Cons
- Pro features like unlimited popups require paid upgrade
- Interface can feel cluttered with non-email tools
- Limited advanced segmentation options compared to enterprise tools
Best For
Bloggers and small e-commerce sites seeking simple, effective email list growth without coding.
Pricing
Free plan available; Pro starts at $39/month (billed annually) for unlimited features.
OptiMonk
specializedOffers smart popups, cartsaver, and onsite messaging to recover abandoned carts and capture emails.
AI-powered behavioral personalization that dynamically tailors popup content to individual visitor actions
OptiMonk is an on-site conversion optimization platform specializing in email capture through customizable popups, slide-ins, banners, and notifications. It leverages advanced triggers like exit-intent, scroll depth, and geo-targeting to engage visitors and grow email lists effectively. The tool includes A/B testing, segmentation, and integrations with major ESPs like Mailchimp and Klaviyo for seamless lead nurturing.
Pros
- Highly customizable popup templates and triggers for precise email capture
- Robust A/B testing and analytics to optimize conversion rates
- Seamless integrations with popular email service providers
Cons
- Pricing scales quickly with traffic volume
- Steeper learning curve for advanced personalization features
- Limited options for non-ecommerce sites
Best For
Mid-sized e-commerce and SaaS businesses seeking high-conversion on-site email capture campaigns.
Pricing
Starts at $39/month (Essentials, up to 10k monthly visitors), $89/month (Pro, 50k visitors), $229/month (Growth, 100k visitors), with custom Enterprise plans.
Poptin
specializedBuilds AI-powered popups and forms that intelligently target visitors to collect email leads.
Gamified popups like Spin-to-Win wheels that significantly increase conversion rates through interactive engagement
Poptin is a versatile popup and notification builder designed primarily for lead generation and email capture on websites. It enables users to create engaging opt-in forms such as popups, slide-ins, bars, and on-site notifications using a drag-and-drop editor with hundreds of templates. Key features include A/B testing, exit-intent triggers, and seamless integrations with email service providers like Mailchimp and ActiveCampaign, helping businesses grow their subscriber lists effectively.
Pros
- Intuitive drag-and-drop editor with extensive templates
- Advanced targeting rules and A/B testing for optimization
- Strong integrations with major email marketing platforms
Cons
- Limited advanced customization without coding
- Free plan has branding and restrictions
- Can contribute to popup fatigue if overused
Best For
Small to medium-sized businesses and e-commerce sites seeking an easy way to boost email signups through customizable popups.
Pricing
Free plan available; paid plans start at $19/month (billed annually) for Pro, up to $99/month for Premium.
Hello Bar
specializedDeploys non-intrusive bars, prompts, and sliders to capture emails from website traffic.
Non-intrusive top notification bar that captures emails without blocking content or disrupting user experience
Hello Bar is a user-friendly website optimization tool specializing in email capture through non-intrusive notification bars, popups, slide-ins, and exit-intent triggers. It enables quick setup of opt-in forms that integrate with major email service providers like Mailchimp and ConvertKit. With A/B testing and targeting options, it's designed to boost subscriber growth without requiring coding skills.
Pros
- Simple plug-and-play installation with no coding required
- Generous free plan for basic email capture needs
- Built-in A/B testing and integrations with popular ESPs
Cons
- Limited advanced customization and templates compared to top competitors
- Analytics reporting lacks depth for enterprise users
- Some features like exit-intent require paid plans
Best For
Bloggers and small business owners seeking an easy, low-cost entry into email list building.
Pricing
Free plan available; Pro starts at $29/month, Premium at $49/month (billed annually).
Sleeknote
specializedCreates elegant, customizable slide-in forms and popups optimized for email list growth.
Smart, non-intrusive notification flows with AI-driven personalization and mobile-optimized designs
Sleeknote is a specialized on-site notification platform designed for capturing emails and leads through customizable pop-ups, banners, and exit-intent messages that enhance website conversions. It features a no-code drag-and-drop editor, advanced behavioral targeting, A/B testing, and integrations with major email service providers like Mailchimp and Klaviyo. The tool emphasizes non-intrusive, visually appealing designs optimized for mobile and desktop to minimize user annoyance while maximizing engagement.
Pros
- Highly customizable, professional-grade notification templates
- Advanced targeting rules based on behavior, geo, and tech
- Comprehensive analytics with A/B testing and ROI tracking
Cons
- Pricing is on the higher end for small businesses
- Limited to notifications; lacks deeper form-building capabilities
- Steep initial setup for complex campaigns
Best For
Mid-to-large e-commerce sites and SaaS companies seeking elegant, conversion-focused lead capture without intrusive pop-ups.
Pricing
Starts at €89/month (Basic), €169/month (Pro), €289/month (Premium), with custom Enterprise plans; 14-day free trial available.
Wheelio
specializedEngages visitors with interactive spin wheels and games to collect emails and drive conversions.
Interactive spin-the-wheel popup with customizable prizes and outcomes for superior visitor engagement
Wheelio is a gamified email capture tool that deploys customizable spin-the-wheel popups on websites to encourage visitors to enter their emails for prizes like discounts or freebies. It supports triggers such as exit-intent, scroll depth, and time on page, with seamless integrations to email service providers like Mailchimp and ActiveCampaign. The platform emphasizes high engagement rates through its interactive format, backed by A/B testing and analytics for optimization.
Pros
- Highly engaging gamified wheel popups that boost conversion rates
- Simple script embed and no-code customization
- Strong integrations with major ESPs and detailed analytics
Cons
- Limited primarily to wheel-style mechanics, lacking variety
- Potential for gimmicky feel leading to lower-quality leads
- Pricing scales quickly with visitor volume
Best For
E-commerce sites and high-traffic blogs seeking fun, interactive ways to capture emails without traditional forms.
Pricing
Starts at $29/mo (Starter, 10k monthly visitors), $79/mo (Pro, 50k visitors), $199/mo (Premium, unlimited); 14-day free trial.
Conclusion
The top tools reviewed offer diverse approaches to email capture, with OptinMonster leading as the most versatile option, thanks to its high-converting popups and flexibility. Privy excels for ecommerce-focused personalization, while Wisepops stands out with gamified experiences that boost engagement without disrupting user flow—each a strong choice depending on specific needs. Together, these solutions highlight the best ways to grow mailing lists effectively.
Don’t miss out on growing your audience—try OptinMonster first, and see how its robust features can turn casual visitors into dedicated subscribers.
Tools Reviewed
All tools were independently evaluated for this comparison