Best of - Email Marketing
Best Email Marketing Tools for Startups in 2026
Choosing the right email marketing tool can make or break your agency workflow. This directory compares the best platforms for agencies in 2026 by pricing, feature set and use case. [Explore alternatives](/alternatives) and [find tools](/tools) to build the perfect tech stack.
Top Email Marketing Tools
- freemium
Mailchimp
Mailchimp is the industry standard for email and automation, with strong segmentation, workflows and free-tier appeal for testing campaigns.
Best for: Teams wanting email marketing and automation
- freemium
ConvertKit
ConvertKit is purpose-built for creators and agencies managing subscriber relationships, with a clutter-free interface and subscriber-first pricing.
Best for: Teams wanting email marketing for creators
- freemium
Brevo
Brevo combines email, SMS and automation in one platform, with affordable scaling and native integrations for CRM and landing pages.
Best for: Teams wanting email, sms and marketing automation
- freemium
Beehiiv
Beehiiv is a modern newsletter platform with growth tools like referral loops, viral loops and monetization features for creator-focused agencies.
Best for: Teams wanting newsletter platform with growth tools
- free
Substack
Substack is free to start and handles monetization natively, ideal for newsletter agencies that want minimal overhead and revenue-sharing transparency.
Best for: Teams wanting publish and monetize newsletters
- freemium
Klaviyo
Klaviyo is the e-commerce email leader with sophisticated segmentation, SMS and product recommendations, built for agencies managing online stores.
Best for: Teams wanting email marketing for ecommerce
Quick comparison
| Tool | Pricing | Ease | Best for | Rating |
|---|---|---|---|---|
| Mailchimp | freemium | Medium | freelancers | 5 |
| ConvertKit | freemium | High | remote teams | 4 |
| Brevo | freemium | Medium | startups | 5 |
| Beehiiv | freemium | Medium | startups | 5 |
| Substack | free | Medium | solopreneurs | 5 |
| Klaviyo | freemium | High | remote teams | 4 |
| ActiveCampaign | paid | Medium | freelancers | 5 |
| Constant Contact | paid | High | small business | 4 |
| Sendlane | paid | Medium | enterprise | 5 |
| Moosend | freemium | High | solopreneurs | 4 |
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