Best Email Marketing Tools in 2026
Ranked review of the best email marketing platforms. Compare Mailchimp, ConvertKit, Resend and more.
Overview
Email remains the highest-ROI marketing channel. We ranked the best email marketing tools based on deliverability, automation capabilities, and ease of use for teams sending newsletters, campaigns, and transactional emails.
Ranking Criteria
The List
Mailchimp
The most popular email marketing platform with a generous free tier. Good for teams starting with email marketing.
Pros
- +Generous free tier (500 contacts)
- +Drag-and-drop email builder
- +Marketing automation
- +Analytics and reporting
Cons
- -Pricing jumps at scale
- -Can feel bloated for simple newsletters
- -Customer support on paid plans only
ConvertKit
Email platform built for creators and content marketers. Excellent automation, landing pages, and subscriber management.
Pros
- +Best automation for creators
- +Visual automation builder
- +Landing pages included
- +Tag-based subscriber management
Cons
- -Less suited for e-commerce
- -Limited template designs
- -Pricing based on subscribers
Resend
Developer-first email API for transactional and marketing emails. Built by developers for developers — React Email templates.
Pros
- +Developer-focused API
- +React Email templates
- +Excellent deliverability
- +Modern developer experience
Cons
- -Requires development skills
- -No visual email builder
- -Newer platform
Brevo (formerly Sendinblue)
Affordable email and SMS marketing platform. Good for European teams needing GDPR compliance and multi-channel marketing.
Pros
- +Email + SMS in one platform
- +GDPR compliant
- +Transactional email support
- +Affordable pricing
Cons
- -Interface less polished
- -Template builder basic
- -Deliverability varies
Loops
Modern email tool for SaaS companies. Clean interface, event-based automation, and designed for product-led growth emails.
Pros
- +Modern, clean interface
- +Event-based automation
- +Built for SaaS
- +Developer-friendly API
Cons
- -SaaS-focused — less general
- -Newer platform
- -Smaller template library
Our Pick
ConvertKit for content-driven agencies. Resend for developer teams needing transactional emails. Track email marketing hours in Refront for client billing.
Summary
Email tools in 2026 split into marketing (Mailchimp, ConvertKit) and developer-focused (Resend, Loops). Choose based on who builds and manages the emails. For agencies managing client email campaigns, track this work in Refront for transparent billing.
Frequently Asked Questions
What is the best free email marketing tool?
ConvertKit (1,000 subscribers free) for creators. Mailchimp (500 contacts free) for general marketing. Resend (3,000 emails/month free) for developers.
Should agencies manage client email marketing?
If you have the expertise, it is a high-value service. Track email marketing hours in Refront separately for transparent client billing.
Transactional vs marketing email tools — do I need both?
Often yes. Use Resend for transactional (password resets, receipts) and ConvertKit/Mailchimp for marketing (newsletters, campaigns). Some tools like Brevo handle both.
Ready to get started?
Try Refront for free and discover how AI automates your workflow.