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The Best Email Marketing Software

Six platforms compared on automation, deliverability, editor quality, and real cost as your list grows.

Last updated Jul 2, 2026

Email is still the highest-ROI channel in digital marketing, but the "best" platform depends entirely on what you send and to whom. We put six of the most established tools side by side and scored each against a weighted rubric so you can match the pick to your use case rather than the loudest marketing.

  1. 1

    ActiveCampaign

    Our pick

    The deepest, most flexible automation builder of any mainstream email platform.

    8.2
    / 10

    Pros

    • + Best-in-class visual automation with branching, conditional logic, and split tests
    • + Built-in CRM, lead scoring, and sales automation without bolting on a separate tool
    • + Strong deliverability and 900+ native integrations

    Cons

    • − Steeper learning curve than newsletter-first tools
    • − Contact-based pricing climbs quickly on higher feature tiers as your list grows
    From $15.00 per month (Starter, ~500 contacts, billed annually)
    Visit ActiveCampaign
  2. 2

    Mailchimp

    Best for beginners

    The most approachable all-rounder, with a polished editor and a genuinely useful free tier.

    7.2
    / 10

    Pros

    • + Very easy to learn with a clean drag-and-drop editor and huge template library
    • + Free plan (up to 500 contacts) is enough to launch
    • + Broad ecosystem and brand familiarity

    Cons

    • − Automation is shallow compared to ActiveCampaign or Klaviyo
    • − Pricing counts unsubscribed/archived contacts on some plans and rises steeply
    • − Free and low tiers strip out useful features like scheduling and multi-step journeys
    From $13.00 per month (Essentials, ~500 contacts)
    Visit Mailchimp
  3. 3

    Klaviyo

    Best for ecommerce

    The default choice for Shopify and DTC stores that live and die by flows and segmentation.

    8.0
    / 10

    Pros

    • + Exceptional ecommerce flows, segmentation, and revenue-per-recipient reporting
    • + Tight Shopify/BigCommerce/WooCommerce integration with product-level data
    • + Predictive analytics (CLV, churn risk) built in

    Cons

    • − Overkill and expensive for non-ecommerce use cases
    • − Cost scales aggressively with list size and SMS add-ons
    From $20.00 per month (~500 contacts; free up to 250)
    Visit Klaviyo
  4. 4

    Brevo

    Best value

    Send-based pricing that stays cheap even with a large list, plus email, SMS, and CRM in one.

    7.6
    / 10

    Pros

    • + Volume-based pricing keeps costs low as your contact list grows
    • + Includes SMS, transactional email, live chat, and a basic CRM
    • + Generous free tier (300 emails/day)

    Cons

    • − Daily sending limit on the free plan and template library feels dated
    • − Automation is capable but less refined than ActiveCampaign or Klaviyo
    From $9.00 per month (Starter; priced by emails sent, not contacts)
    Visit Brevo
  5. 5

    Kit (ConvertKit)

    Best for creators

    A creator-first tool built around tagging, landing pages, and simple, reliable automations.

    7.7
    / 10

    Pros

    • + Tag-based subscriber model is ideal for creators and audience segmentation
    • + Strong deliverability and a large free tier (up to 10,000 subscribers)
    • + Built-in landing pages, forms, and a creator commerce/tip-jar layer

    Cons

    • − Plain-text-leaning editor with limited design/template options
    • − Not suited to complex ecommerce flows or visual-heavy campaigns
    From $15.00 per month (Creator, ~300 subscribers; free up to 10,000)
    Visit Kit (ConvertKit)
  6. 6

    MailerLite

    Best free plan

    The best balance of a clean modern editor, fair pricing, and a truly usable free tier.

    7.7
    / 10

    Pros

    • + Clean, modern drag-and-drop editor that is fast to learn
    • + Free plan covers up to 1,000 subscribers with core automation
    • + Fair, transparent per-subscriber pricing

    Cons

    • − Manual account approval can delay onboarding
    • − Automation and reporting are lighter than the top-tier tools
    From $9.00 per month (Growing Business, ~500 subscribers; free up to 1,000)
    Visit MailerLite

Side-by-side

The Best Email Marketing Software — score by criterion for each product.
Product Automation & Workflows Deliverability & Sending Infrastructure Ease of Use & Editor Value for Money (Cost as List Grows) Overall
ActiveCampaign 9.5 8.5 7.0 7.0 8.2
Mailchimp 6.5 7.5 9.0 6.0 7.2
Klaviyo 9.0 8.5 7.0 6.5 8.0
Brevo 7.0 7.5 7.5 9.0 7.6
Kit (ConvertKit) 7.5 8.0 8.0 7.5 7.7
MailerLite 7.0 7.5 8.5 8.5 7.7
How we scored this

We score every tool 0–10 on four weighted axes: Automation & Workflows (weight 3), Deliverability & Sending Infrastructure (weight 2), Ease of Use & Editor (weight 2), and Value for Money (weight 1.5), then rank by the weighted total. Rankings are editorial and independent of any affiliate payout; affiliate links, where present, are labelled and never buy a rank or rating.