Let’s talk about email segmentation. Simply put, instead of sending your entire contact list the same email, you essentially divide your list into “segments” based on demographics, behaviour, psychographics and lifecycle.
This is highly important because it directly affects conversions and revenue. When you send highly targeted and personalized messages, it signals to your audience that you understand them, making your emails more effective.
However, since manually segmenting your email list requires too much time and effort, and can be error-prone, we’ve curated a list of the top four email segmentation tools in 2025 to specifically help you automate the process, increase sales, and customer satisfaction.
Best email list segmentation tools
Email segmentation is key to effective personalization. According to McKinsey, personalization can cut acquisition costs by 50%, boost revenue by 5 – 15%, and increase ROI by 10 – 30%.
The right email segmentation tools help you get there faster. Let’s explore them.
Omnisend is a marketing automation platform that’s designed for ecommerce businesses. Its email segmentation tools are known for being both powerful and intuitive.
Key features include:
Filters based on buying behavior, average order value, recency, and more
Lifecycle-based segmentation that maps shoppers to lifecycle stages for targeting high-value customers and boosting repeat sales
Engagement-based segmentation to adjust send frequency, improving open rates with campaigns like win-backs for inactive users
Smart segment suggestions for easy first-time setup
Real-time auto-updating segments to keep targeting accurate
Triggered automations, like welcome emails or cart recovery, based on segment activity
Integrations with Shopify, BigCommerce, Facebook, Google, and more for multichannel personalization
300+ pre-built integrations and can connect with 3000+ apps
24/7 support available, even on the free forever plan
Take a look at what users are saying about Omnisend:
Cons
Slight learning curve with advanced features, and some users feel the platform is too tailored to ecommerce, making it less versatile for other business types
Klaviyo is an email and SMS marketing automation platform that has one of the best email segmentation tools for ecommerce brands that want to create highly targeted campaigns based on real-time customer behavior and purchase data.
Let’s take a look at its email segmentation capabilities:
Create segments based on interactions like engagement, browsing, or purchase history
Use zero-party data (gender, location, age) to tailor messaging
Filter by engagement level — re-engage dormant users or reward loyal ones
Auto-updating segments mean no manual list maintenance
Predictive analytics for customer behavior, including CLV and churn risk
Combine multiple conditions (behavior, time windows, attributes) to align with business goals
Deliver personalized product recommendations, offers, and imagery in campaigns
Improve inbox placement by adjusting send frequency and excluding unengaged contacts
350+ integrations to enrich segmentation and streamline workflows
Delivers measurable revenue impact by turning smart segmentation into high-converting campaigns
For example, men’s grooming brand Every Man Jack attributes 12.4% of its revenue to using Klaviyo’s predictive email segmentation tools to target customers likely to purchase again.
Cons
Users report delays and mixed experiences with email/chat support
No free migration help when switching from another platform
This is a marketing automation tool trusted by 100,000+ businesses, both small and large. It’s a powerful option when you’re running a B2C brand that thrives on behavior-based targeting. Let’s see what its email segmentation tools can do:
Advanced tracking tools help you monitor the performance of segmented campaigns
You can save frequently used segments as templates for future use
The smart dashboard shows engagement metrics for each segment, helping you fine-tune your targeting
Moosend integrates with Twilio Segment to enable even more email segmentation tools you can use:
User behavior is tracked across your site, and Moosend automatically assigns contacts to the right segments using behavior-based automation
It tracks anonymous visitors’ actions, and once they sign up, that behavior is linked to their profile
AI sends product recommendations based on past purchases or popular items
Advanced users can set up automations with lead scoring to segment contacts automatically based on engagement level
Shoppers who abandon carts are automatically segmented and re-engaged with personalized reminder emails
Selzy is a beginner-friendly and affordable email and marketing automation platform designed for small and midsize businesses. It’s best known for its intuitive interface, flexible email builder and 24/7 support, making it a great choice for marketers who want powerful tools without a steep learning curve.
Key features include:
A/B testing for subject lines, content, and send times to refine targeting.
List segmentation based on user behavior, demographics, subscription source, and custom fields.
Built-in deliverability tools to ensure segmented campaigns actually land in the inbox.
Event-triggered automations such as welcome sequences, birthday offers, and abandoned cart reminders.
An easy-to-use omnichannel marketing automation to use integrated data from website, app, and CRM for nurturing leads and driving sales via email and chatbots.
Ready-made workflow templates for launching segmentation-driven campaigns.
Integration with apps via Zapier plus direct connectors for e-commerce platforms like Shopify.
Pricing
Free plan: $0/month (up to 100 subscribers and 1,000 emails or up to 2,000 subscribers and 10,000 emails if you verify your card)
Lite: $7.5 a month or $5.25 a month if billed yearly
Standard: $15 a month or $10.5 a month if billed yearly
Custom: For 500k+ contacts, withdedicated manager, performance boost and more
Bulk email package options are also available.
Pros
24/7 support via phone, email, and live chat on any plan.
Very low entry-level pricing compared to most competitors.
Beginner-friendly interface
An AI-powered updated email builder on beta
Cons
Smaller integration ecosystem compared to enterprise-focused tools
Limited automation options
Benefits of email segmentation tools
Email segmentation tools offer a number of benefits for marketers or business owners, especially if you’re looking to scale your business:
Increased open and click-through rates:Personalized emails tend to get more opens and clicks because they align with what subscribers actually care about. In-fact, according to McKinsey, 71% of customers expect personalization.
High relevance and personalization:Email segmentation tools help deliver content that feels more tailored and relevant to each subscriber’s interests
Improved conversion rates:Sending the right message to the right segment at the right time leads to more purchases, sign-ups, and downloads
Fewer unsubscriptions: When emails stay relevant, people are less likely to unsubscribe
Better resource allocation:Focusing on high-potential segments helps you use your time and budget more efficiently
Higher retention: Targeted communication builds trust and loyalty over time
Improved deliverability: Engaged audiences help maintain your sender reputation
Deeper insights: Segmented campaigns give clearer data on what’s working, so you can improve future strategies
Conclusion
Email segmentation has come a long way, from basic list splits to AI-driven, behavior-based targeting across multiple channels. Email segmentation tools like Omnisend, ActiveCampaign, Klaviyo, Moosend, and Customer.io each offer their own approach to smarter segmentation.
Even small improvements in targeting can lead to more opens, higher conversions, and increased customer retention, and there’s a tool in this list that can help you achieve just that. Explore your top pick from the email segmentation tools and see how better segmentation drives better results.
