10 Best Email Marketing Software in 2025: Complete Comparison Guide
Find the best email marketing software for your business. We compare 10 top platforms on features, pricing, ease of use, and who each one is best for.
Maya Patel
Guest Contributor
Choosing the best email marketing software shouldn't require weeks of research. Yet with dozens of platforms claiming to be #1, finding the right fit feels overwhelming.
This guide cuts through the noise. We've tested the 10 best email marketing platforms and break down exactly who each one serves best. Whether you're a startup, e-commerce store, or enterprise, you'll find your match here.
How We Evaluated Email Marketing Software
We assessed each platform on five criteria:
- Ease of use: How quickly can you create and send emails?
- Features: Automation, segmentation, templates, analytics
- Pricing: Value for money at different scales
- Deliverability: Do emails actually reach inboxes?
- Support: Quality of help when you need it
The 10 Best Email Marketing Platforms
1. Brew — Best for AI-Powered Email Creation
Brew reimagines email marketing. Instead of manually building emails, you describe what you want and AI generates complete, on-brand emails in seconds.
Key Features:
- AI generates emails from simple prompts
- Automatic brand consistency
- Automation workflows from natural language
- A/B testing and analytics
- Basic CRM (similar to Mailchimp's)
Pricing:
- Free: 200 credits, preview only
- Starter: $49/month (1,000 contacts, 500 credits)
- Pro: $199/month (10,000 contacts, 10,000 credits)
Best for: Teams who want professional emails without the time investment. Ideal if design and copywriting aren't your strengths.
Verdict: The fastest path from idea to sent email. Try it free.
2. Mailchimp — Best Known Platform
The most recognized name in email marketing with a comprehensive feature set.
Key Features:
- Drag-and-drop builder
- Marketing CRM
- Landing pages
- 300+ integrations
- Social posting
Pricing: Free (500 contacts), paid from $13/month
Best for: Small businesses wanting an established, trusted platform with extensive resources.
3. Klaviyo — Best for E-commerce
Klaviyo owns e-commerce email with deep Shopify and WooCommerce integration.
Key Features:
- E-commerce data sync
- Predictive analytics
- Revenue attribution
- SMS marketing
- Advanced segmentation
Pricing: Free (250 contacts), paid from $20/month
Best for: Online stores serious about email-driven revenue.
4. ConvertKit — Best for Creators
Built specifically for bloggers, YouTubers, and course creators.
Key Features:
- Visual automation builder
- Landing pages
- Paid newsletter support
- Creator network
- Simple interface
Pricing: Free (1,000 subscribers), paid from $15/month
Best for: Individual creators who prioritize simplicity.
5. ActiveCampaign — Best Automation
The most powerful automation builder available.
Key Features:
- Advanced workflow automation
- Built-in CRM
- Site tracking
- Predictive sending
- Machine learning features
Pricing: Starting at $29/month (no free tier)
Best for: B2B companies with complex nurture sequences.
6. HubSpot — Best All-in-One
A complete marketing suite with email as one component.
Key Features:
- Full CRM (free)
- Marketing automation
- Sales tools
- Service hub
- Extensive training
Pricing: Free tools, Marketing Hub from $20/month
Best for: Growing companies wanting an all-in-one platform. See our HubSpot vs Mailchimp comparison.
7. Brevo — Best Budget Option
Solid features at competitive prices (formerly Sendinblue).
Key Features:
- Pay-per-email option
- SMS marketing
- Transactional emails
- Chat widget
- GDPR-focused
Pricing: Free (300 emails/day), paid from $25/month
Best for: Budget-conscious businesses needing email + SMS.
8. MailerLite — Best Simple Platform
Clean, modern, and easy to use.
Key Features:
- Intuitive builder
- Website builder
- Automation
- Paid newsletters
- Generous free tier
Pricing: Free (1,000 subscribers), paid from $10/month
Best for: Small businesses wanting simplicity at low cost.
9. Constant Contact — Best for Events
Strong event marketing alongside email.
Key Features:
- Event management
- Social marketing
- Surveys
- Long track record
- Phone support
Pricing: Starting at $12/month
Best for: Organizations running events and local businesses.
10. Campaign Monitor — Best Templates
Beautiful, professionally designed templates.
Key Features:
- Premium template library
- Agency features
- Strong deliverability
- Clean analytics
- Easy branding
Pricing: Starting at $11/month
Best for: Design-conscious brands wanting polished emails fast.
Email Marketing Software Comparison Table
| Platform | AI Features | Free Plan | Starting Price | Best For |
|---|---|---|---|---|
| Brew | ✅ Full | ✅ | $49/mo | AI creation |
| Mailchimp | Limited | ✅ | $13/mo | General use |
| Klaviyo | Limited | ✅ | $20/mo | E-commerce |
| ConvertKit | ❌ | ✅ | $15/mo | Creators |
| ActiveCampaign | Limited | ❌ | $29/mo | Automation |
| HubSpot | Limited | ✅ | $20/mo | All-in-one |
| Brevo | Limited | ✅ | $25/mo | Budget |
| MailerLite | Limited | ✅ | $10/mo | Simplicity |
| Constant Contact | ❌ | ❌ | $12/mo | Events |
| Campaign Monitor | ❌ | ❌ | $11/mo | Templates |
How to Choose the Best Email Marketing Software
Step 1: Define Your Primary Need
- Speed: Brew (AI creates emails in seconds)
- E-commerce: Klaviyo (best revenue tracking)
- Simplicity: MailerLite or ConvertKit
- Automation: ActiveCampaign
- All-in-one: HubSpot
- Budget: Brevo
Step 2: Consider Your Technical Ability
| Technical Level | Best Platforms |
|---|---|
| Beginner | Brew, MailerLite, ConvertKit |
| Intermediate | Mailchimp, Brevo, Campaign Monitor |
| Advanced | ActiveCampaign, Klaviyo, HubSpot |
Step 3: Factor in Growth
Choose software that scales. Switching platforms is painful—pick one that works at 10x your current list size.
Step 4: Try Before You Buy
Most platforms offer free trials or free tiers. Test your top 2-3 choices with a real campaign before committing.
What About Email Marketing ROI?
Email marketing delivers $36-42 for every $1 spent—the highest ROI of any marketing channel. The right software helps you capture this potential.
Key ROI factors:
- Automation: Welcome sequences and abandoned cart emails drive disproportionate revenue
- Deliverability: Emails must reach inboxes to convert
- Efficiency: Time saved on creation = more campaigns sent
Our Top Recommendations
For speed and efficiency: Brew — AI eliminates manual email creation
For e-commerce: Klaviyo — Best revenue attribution and data integration
For creators: ConvertKit — Purpose-built simplicity
For complex B2B: ActiveCampaign — Unmatched automation power
For tight budgets: MailerLite or Brevo — Most value per dollar
Ready to Get Started?
The best email marketing software is the one you'll actually use. If you want professional results without spending hours on design and copywriting, try Brew free.
Create your first AI-powered email in under 60 seconds.
Written by Maya Patel
Guest Contributor
Passionate about helping businesses grow through smarter email marketing.
Ready to transform your email marketing?
Brew creates professional, on-brand emails in under 60 seconds. No design skills required.
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