Best Email Marketing Software 2025: Complete Platform Guide

January 2025 24 min read Marketing Guide

Email marketing delivers the highest ROI of any marketing channel at $36-42 for every $1 spent. This guide compares the best email marketing platforms for 2025.

Email Marketing Quick Facts 2025

  • Average ROI: $36-42 per $1 spent
  • Free options: Mailchimp (500 contacts), MailerLite (1,000)
  • Key features: Automation, segmentation, A/B testing, analytics
  • Open rates: Industry average 21.5%

Top Email Marketing Platforms

PlatformFree TierStarting PriceBest ForRating
Mailchimp500 contacts$13/moBeginners★★★★★
ConvertKit1,000 contacts$15/moCreators★★★★★
Klaviyo250 contacts$20/moE-commerce★★★★★
ActiveCampaign14-day trial$29/moAdvanced automation★★★★☆
MailerLite1,000 contacts$10/moBudget-friendly★★★★☆
BEST FOR BEGINNERS

Mailchimp

  • Price: Free (500 contacts) / $13-350/month
  • Features: Drag-drop builder, templates, automations
  • Integrations: 300+ apps including Shopify, WordPress
  • Analytics: Open rates, clicks, revenue tracking
  • Pros: Easy to use, generous free tier, all-in-one
  • Cons: Expensive at scale, limited automation on free
BEST FOR E-COMMERCE

Klaviyo

  • Price: Free (250 contacts) / $20-1,970+/month
  • E-commerce: Deep Shopify, WooCommerce integration
  • Features: Product recommendations, cart abandonment
  • Segmentation: Based on purchase behavior, browsing
  • Pros: Powerful for online stores, predictive analytics
  • Cons: Expensive, steep learning curve
BEST FOR CREATORS

ConvertKit

  • Price: Free (1,000 contacts) / $15-2,599/month
  • Audience: Bloggers, podcasters, YouTubers
  • Features: Landing pages, digital products, sponsorships
  • Automations: Visual workflow builder
  • Pros: Creator-focused, excellent deliverability
  • Cons: Basic templates, less e-commerce features

Pricing Comparison by List Size

Platform1,000 contacts5,000 contacts25,000 contacts
Mailchimp$13/mo$69/mo$270/mo
ConvertKit$15/mo$66/mo$166/mo
Klaviyo$30/mo$100/mo$400/mo
ActiveCampaign$29/mo$99/mo$259/mo
MailerLite$10/mo$39/mo$139/mo

Key Features to Compare

FAQ

Which email platform has the best deliverability?

ConvertKit and ActiveCampaign consistently rank highest for deliverability (95%+). Mailchimp and Klaviyo are also excellent.

How many emails should I send per week?

Most businesses find 1-3 emails per week optimal. Test what works for your audience - consistency matters more than frequency.