Email Marketing Platform Comparison: 10 Top Platforms Head-to-Head (2026)
Side-by-side comparison of the 10 best email marketing platforms. Compare pricing, features, deliverability, and automation to choose the right one.
Choosing the right email marketing platform is one of the most impactful decisions for your marketing. The right choice saves money, improves results, and scales with your business. The wrong one costs more every month and limits what you can do.
Here’s a comprehensive, unbiased comparison of the top 10 email marketing platforms in 2026.
The Complete Comparison Chart
| Platform | Pricing Model | Free Plan | Contacts (Free) | Emails (Free) | CRM | SMS | Automation |
|---|---|---|---|---|---|---|---|
| Brevo | Per email | ✓ | Unlimited | 300/day | ✓ | ✓ | ✓ |
| Mailchimp | Per contact | ✓ | 500 | 1,000/mo | ✗ | Add-on | ✓ (paid) |
| Klaviyo | Per profile | ✓ | 250 | 500/mo | ✗ | ✓ | ✓ |
| ActiveCampaign | Per contact | ✗ | — | — | ✓ | Add-on | ✓ |
| MailerLite | Per subscriber | ✓ | 1,000 | 12,000/mo | ✗ | ✗ | ✓ |
| ConvertKit | Per subscriber | ✓ | 1,000 | Unlimited | ✗ | ✗ | ✓ (paid) |
| Constant Contact | Per contact | ✗ | — | — | ✗ | ✓ | ✓ |
| HubSpot | Per contact | ✓ (limited) | 1M (CRM) | 2,000/mo | ✓ | ✗ | ✓ (paid) |
| Omnisend | Per subscriber | ✓ | 250 | 500/mo | ✗ | ✓ | ✓ |
| SendGrid | Per email | ✓ | Unlimited | 100/day | ✗ | ✗ | ✗ |
Pricing at Scale
How much you’ll pay at different list sizes:
5,000 Contacts
| Platform | Monthly Cost | Includes |
|---|---|---|
| Brevo | $9 (5K emails) | CRM, SMS, automation |
| MailerLite | $39 | Email only |
| Mailchimp | $75 | Email, basic automation |
| Klaviyo | $100 | Email, SMS |
| ActiveCampaign | $99 | Email, CRM, automation |
25,000 Contacts
| Platform | Monthly Cost |
|---|---|
| Brevo | $25 (20K emails) |
| MailerLite | $159 |
| Mailchimp | $270 |
| Klaviyo | $400 |
| ActiveCampaign | $259 |
100,000 Contacts
| Platform | Monthly Cost |
|---|---|
| Brevo | $65 (75K emails) |
| Mailchimp | $800+ |
| Klaviyo | $1,000+ |
| ActiveCampaign | $700+ |
Key takeaway: Brevo’s per-email model saves 60-80% vs per-contact platforms at scale.
Feature Deep Dive
Email Builder
All platforms offer drag-and-drop builders. Mailchimp and Brevo have the most templates. ActiveCampaign and ConvertKit are more minimalist.
Marketing Automation
- Most powerful: ActiveCampaign (conditional logic, split testing)
- Best free automation: Brevo (included on free plan)
- Ecommerce-specific: Klaviyo, Omnisend
Deliverability
Independent tests show most major platforms have comparable deliverability (92-97%). Key factors are your list quality and authentication, not the platform itself.
Integrations
- Most integrations: Mailchimp (300+), ActiveCampaign (900+)
- Best Shopify: Klaviyo (native), Brevo via Tajo (comprehensive)
- Best WordPress: Brevo, Mailchimp
Multi-Channel
- Email + SMS + WhatsApp: Only Brevo
- Email + SMS: Klaviyo, Omnisend, Constant Contact
- Email only: MailerLite, ConvertKit
How to Choose
Choose Brevo if:
- You want the best value at any list size
- You need CRM + email + SMS + WhatsApp in one tool
- You run a Shopify store (pair with Tajo)
- You want unlimited contacts without paying more
Choose Klaviyo if:
- You’re a large ecommerce brand with budget to spare
- You need deep predictive analytics
- You’re focused on US/UK markets
Choose ActiveCampaign if:
- You need the most advanced automation builder
- You have complex sales processes
- You can afford $29+/month starting price
Choose MailerLite if:
- You want maximum simplicity
- Your list is under 1,000 subscribers
- You don’t need CRM or SMS
Our Recommendation
For 95% of businesses, Brevo offers the best combination of features and pricing. Its unique per-email model means you never pay for inactive contacts, and the built-in CRM eliminates the need for a separate tool.
See our detailed reviews: