Best Email Marketing Tools for Small Business 2026: Compared

Last updated: August 2026 · 13 min read · Written by the BusyWorth team

Email marketing is still the highest-ROI channel for most small businesses. It's not flashy, it's not new, and it's certainly not as exciting as AI-powered chatbots or viral social media campaigns. But dollar for dollar, email consistently outperforms every other marketing channel — with an average ROI of $36 for every $1 spent.

The challenge is picking the right platform. The email marketing market is crowded with options that range from simple newsletter senders to full-featured marketing automation suites. Pick a tool that's too basic and you'll outgrow it in months. Pick one that's too complex and you'll pay for features you never use.

We tested seven of the most popular email marketing tools for small businesses: ActiveCampaign, Kit (formerly ConvertKit), GetResponse, Mailchimp, Brevo (formerly Sendinblue), AWeber, and Constant Contact. We evaluated each on automation, deliverability, pricing, ease of use, and template quality. Here's what we found.

At a Glance: Best Email Marketing Tools

Detailed Reviews

1. ActiveCampaign — Best All-Around Email Marketing Tool

Rating: 4.7 / 5 · From $49/mo (Plus, 1,000 contacts) · Visit ActiveCampaign →

ActiveCampaign is the most complete email marketing platform for small businesses. It combines powerful marketing automation, excellent email deliverability, and a built-in CRM in one platform. The automation builder is the best we've tested — you can create complex conditional sequences with triggers, actions, and goals that activate based on contact behavior, email engagement, and custom fields.

The Plus plan ($49/month for 1,000 contacts) includes everything most small businesses need: email marketing, automation, CRM, landing pages, and lead scoring. The Professional plan ($79/month) adds predictive sending, split testing, and dynamic content. The Enterprise plan ($145/month) includes custom reporting and a dedicated deliverability specialist.

What we liked: The automation is best-in-class for the price. Deliverability is excellent — we consistently saw inbox placement rates above 98%. The CRM integration means you can manage contacts and deals in the same platform. The 30% lifetime recurring commission on their affiliate program is one of the best in the email marketing space.

What we didn't: The interface has a steeper learning curve than Mailchimp or AWeber. The CRM is functional but not as deep as HubSpot's. No free plan, only a 14-day trial.

Best for: Most small businesses that need serious email marketing automation. If you're outgrowing Mailchimp or want to start with a platform that can handle complex automation from day one, ActiveCampaign is the right choice.

For a detailed comparison of ActiveCampaign versus HubSpot's CRM + email suite, see our HubSpot vs ActiveCampaign comparison.

2. Kit (formerly ConvertKit) — Best for Creators & Newsletter Writers

Rating: 4.5 / 5 · From $29/mo (Creator, 1,000 subscribers) · Free tier available (1,000 subscribers, limited) · Visit Kit →

Kit (formerly ConvertKit) is purpose-built for creators: newsletter writers, course sellers, authors, and content creators. The platform is laser-focused on one thing — helping creators build and monetize their audience through email. The visual automation builder is clean and intuitive, and the subscriber tagging system is the best in the business.

What we liked: The free tier is generous (up to 1,000 subscribers). The subscriber tagging and segmentation are excellent. The newsletter-focused interface is designed for writers — it's minimal, fast, and distraction-free. The 50% first-year commission on their affiliate program is market-leading.

What we didn't: Limited automation compared to ActiveCampaign. No CRM features. No A/B testing on lower plans. The template library is smaller than competitors.

Best for: Creators, newsletter writers, and course sellers who want a platform built for their workflow. If you're building an audience and monetizing through email, Kit is the best tool for the job.

3. GetResponse — Best Value for Growing Businesses

Rating: 4.4 / 5 · From $19/mo (Email Marketing, 1,000 contacts) · Visit GetResponse →

GetResponse is one of the most underrated email marketing platforms on the market. The Email Marketing plan at $19/month (1,000 contacts) includes automation, landing pages, webinars, and a basic CRM. The Marketing Automation plan ($59/month) adds advanced automation, split testing, and lead scoring.

What we liked: The value is exceptional — you get automation, landing pages, and webinars at a lower price than competitors charge for email alone. The automation builder is powerful and visual. The 60% commission on their affiliate program (at the Gold tier) is the highest in the email marketing space. The 60-day cookie is generous.

What we didn't: The interface is functional but not as polished as ActiveCampaign or Kit. The template library is smaller. The CRM is basic. The email editor is good but not great.

Best for: Growing businesses that want a lot of features at a reasonable price. If you need email marketing, automation, landing pages, and webinars in one platform, GetResponse delivers excellent value.

4. Mailchimp — Best for Beginners

Rating: 4.2 / 5 · From $13/mo (Standard, 500 contacts) · Free tier available (500 contacts)

Mailchimp is the most recognizable name in email marketing — and for many small businesses, it's the first tool they try. The free tier (500 contacts, 1,000 sends/month) is a solid starting point. The interface is clean and intuitive, with a drag-and-drop builder that makes creating emails easy.

What we liked: The easiest platform to get started with — you can send your first campaign in under 30 minutes. The free tier is generous enough for testing. The template library is large and well-designed. The AI-powered content optimization (Creative Assistant) is a nice touch.

What we didn't: Automation is limited compared to ActiveCampaign and GetResponse. The pricing gets expensive as you grow — the Standard plan at $13/month for 500 contacts jumps to $29/month for 1,500 contacts. Deliverability has declined in recent years. Support is slow on the free tier.

Best for: Beginners who want to test email marketing without commitment. Start with the free tier, but plan to migrate to a more powerful platform as you grow.

5. Brevo (formerly Sendinblue) — Best Budget Option

Rating: 4.1 / 5 · From $9/mo (Starter, 20,000 emails/month) · Free tier available (300 emails/day) · Visit Brevo →

Brevo is unique in the email marketing space — instead of pricing by contact count, it prices by email volume. The Starter plan at $9/month gives you 20,000 emails per month, regardless of how many contacts you have. This makes it an excellent choice for businesses with large lists that send infrequently.

What we liked: The pricing model is fairer for businesses with large lists. The free tier (300 emails/day) is generous. The SMS marketing and transactional email features are valuable additions. The 30% lifetime recurring commission on their affiliate program is solid.

What we didn't: The automation builder is less powerful than ActiveCampaign or GetResponse. The interface feels dated. The template library is smaller. The drag-and-drop builder is functional but not as smooth as Mailchimp's.

Best for: Budget-conscious businesses with large contact lists. If you have 5,000+ contacts but only send monthly newsletters, Brevo's volume-based pricing will save you a lot of money.

6. AWeber — Best for Beginners Who Want Simplicity

Rating: 4.0 / 5 · From $12.50/mo (Lite, 500 subscribers) · Free tier available (500 subscribers)

AWeber is one of the oldest email marketing platforms — and it's still popular with small business owners who value simplicity. The interface is straightforward, the templates are solid, and the customer support is excellent. The free tier (500 subscribers) is a good entry point.

What we liked: The simplicity is genuine — it's one of the easiest platforms to set up and use. The customer support is excellent (live chat, phone, and email). The 30% lifetime recurring commission on their affiliate program is generous. The 60-day cookie is helpful for SEO content.

What we didn't: Limited automation compared to competitors. The template library is smaller. The email editor is functional but dated. No advanced features like predictive sending or dynamic content.

Best for: Beginners who want a simple, reliable email marketing platform. If you're not interested in complex automation and just want to send clean, professional emails, AWeber is a solid choice.

7. Constant Contact — Best for Local Businesses & Non-Profits

Rating: 3.7 / 5 · From $12/mo (Lite, 500 contacts)

Constant Contact has a strong reputation among local businesses, non-profits, and event organizers. The platform is easy to use, with a drag-and-drop editor, event management tools, and a solid template library. The 60-day free trial is one of the longest in the industry.

What we liked: The event management tools are unique — you can create and manage events, sell tickets, and send automated event reminders. The 60-day trial is generous. The customer support is good.

What we didn't: Limited automation and segmentation. The interface is dated. The pricing is higher than competitors for comparable features. Deliverability is average. The 30% commission (first 12 months) is lower than competitors.

Best for: Local businesses, non-profits, and organizations that run events. If you need email marketing plus event management in one platform, Constant Contact is worth considering.

Pricing Comparison

How to Choose the Right Email Marketing Tool

Different businesses have different email marketing needs. Here's a quick guide based on your situation:

Our Verdict

Email marketing is a long-term investment. The tool you choose should be one you're comfortable using every week — not just one that looks good on paper. The best platform is the one you actually use.

For most small businesses, ActiveCampaign is the best choice. The automation is powerful enough to handle complex workflows, the deliverability is excellent, and the built-in CRM means you can manage contacts and deals in one place. The price is reasonable for what you get, and the platform scales well as your business grows.

If you're a creator or newsletter writer, Kit (ConvertKit) is the obvious choice — it's built specifically for your workflow. If you're on a tight budget, GetResponse delivers the most features per dollar. And if you're just starting out, Mailchimp's free tier is the best way to learn the basics before upgrading.

For a deeper look at how email marketing platforms pair with CRM tools, see our best CRM for small business comparison and our HubSpot vs ActiveCampaign head-to-head.