Email remains one of the most effective marketing channels for small businesses. Unlike social media, where algorithms decide who sees your posts, email lets you reach your audience directly in their inbox. You own your list, and you control the message.
But choosing an email marketing platform can be confusing, with dozens of options and very different pricing models. This guide compares some of the most popular platforms, explains the features that matter, and helps you choose the right one for your business.
What Email Marketing Platforms Do
An email marketing platform helps you:
- Build your list with signup forms and landing pages
- Design emails with drag-and-drop editors and templates
- Segment your audience by interests, behavior, or purchase history
- Automate emails, such as welcome series, abandoned cart reminders, and birthday offers
- Track results such as opens, clicks, conversions, and revenue
- Manage deliverability so your emails reach the inbox rather than spam
- Stay compliant with unsubscribe links and consent management
Popular Email Marketing Platforms Compared
Mailchimp
Mailchimp is one of the best-known email marketing platforms. It offers an easy-to-use editor, templates, automation, and a wide range of integrations.
- Strengths: Beginner-friendly, well-known, many integrations.
- Considerations: Costs can rise quickly as your contact list grows, and advanced features require higher plans.
- Best for: Small businesses that want an easy, all-round platform.
Brevo (formerly Sendinblue)
Brevo combines email marketing with SMS, WhatsApp campaigns, transactional emails, and a basic CRM. Its pricing has traditionally been based on the number of emails sent rather than the number of contacts.
- Strengths: Good value for businesses with large lists that send less often; multichannel features.
- Considerations: Design tools may feel less polished than some competitors.
- Best for: Businesses with large contact lists and those wanting email plus SMS.
Kit (formerly ConvertKit)
Kit is built for creators — bloggers, YouTubers, podcasters, and course sellers. It focuses on simple, text-based emails, tagging, and automation, plus tools to sell digital products and paid newsletters.
- Strengths: Creator-focused features, flexible tagging, strong automation.
- Considerations: Fewer design-heavy templates than e-commerce-focused tools.
- Best for: Bloggers, content creators, and people selling digital products.
MailerLite
MailerLite offers a clean, simple interface with landing pages, automation, and a website builder, at competitive prices.
- Strengths: Affordable, easy to use, includes useful extras.
- Considerations: Fewer advanced features than enterprise tools.
- Best for: Small businesses and bloggers on a budget.
Klaviyo
Klaviyo is designed for e-commerce businesses. It integrates deeply with online store platforms like Shopify and uses purchase and browsing data for advanced segmentation and personalization.
- Strengths: Powerful e-commerce automation, detailed revenue tracking, SMS support.
- Considerations: Can be expensive as your list grows; may be more than non-e-commerce businesses need.
- Best for: Online stores focused on revenue from email and SMS.
ActiveCampaign
ActiveCampaign is known for advanced marketing automation and built-in CRM features. It lets businesses build complex, behavior-based customer journeys.
- Strengths: Sophisticated automation, lead scoring, CRM integration.
- Considerations: Steeper learning curve and higher costs for advanced plans.
- Best for: Businesses that want advanced automation and sales-marketing alignment.
Comparison Table
| Platform | Ease of use | Automation | Free plan | Best for |
|---|---|---|---|---|
| Mailchimp | High | Good | Yes (limited) | All-round small business use |
| Brevo | High | Good | Yes | Large lists, email plus SMS |
| Kit | High | Strong | Yes | Creators and bloggers |
| MailerLite | Very high | Good | Yes | Budget-conscious businesses |
| Klaviyo | Medium | Very strong | Yes (limited) | E-commerce stores |
| ActiveCampaign | Medium | Very strong | Trial | Advanced automation |
Plans and pricing change frequently. Check each provider’s website for current details.
Key Features to Compare
- Pricing model: Per contact or per email sent? This makes a big difference as you grow.
- Automation: Welcome sequences, abandoned cart emails, and behavior-based triggers.
- Segmentation: The ability to send targeted messages to specific groups.
- Templates and editor: How easy it is to create good-looking emails.
- Deliverability: Authentication support and a good sending reputation.
- Integrations: Connections to your website, store, CRM, and forms.
- Reporting: Opens, clicks, conversions, and revenue attribution.
- A/B testing: Test subject lines and content to improve results.
Deliverability: Getting Into the Inbox
Even the best email is useless if it lands in spam. Major email providers, including Gmail and Yahoo, have introduced stricter requirements for bulk senders, such as:
- Authenticating your domain with SPF, DKIM, and DMARC
- Including an easy, one-click unsubscribe option
- Keeping spam complaint rates low
Other deliverability tips:
- Send from your own domain rather than a free email address.
- Only email people who opted in — never buy lists.
- Remove inactive subscribers periodically.
- Send consistently rather than in sudden large bursts.
Staying Compliant
Email marketing laws vary by country. In the United States, the CAN-SPAM Act requires an accurate sender identity, a physical mailing address, and a working unsubscribe option. In the EU and UK, GDPR generally requires clear consent for marketing emails. If you have international subscribers, make sure your practices meet the rules where they live.
Email Marketing Strategies That Work
- Welcome series: Introduce your brand and set expectations when someone subscribes.
- Segmentation: Send relevant content to smaller groups rather than blasting everyone.
- Abandoned cart emails: Remind shoppers about items they left behind.
- Re-engagement campaigns: Win back inactive subscribers — or clean them from your list.
- Useful content: Mix promotions with tips, guides, and stories your audience values.
For more ideas, see our guide to digital marketing strategies to boost sales.
How to Choose
- Just starting out? MailerLite, Brevo, or Mailchimp’s entry plans.
- Creator or blogger? Kit.
- Running an online store? Klaviyo.
- Need advanced automation and CRM? ActiveCampaign.
- Large list, infrequent sends? Consider platforms that price by emails sent.
Frequently Asked Questions
How often should I send marketing emails?
It depends on your audience and content. Many small businesses send weekly or every two weeks. Consistency matters more than frequency.
Can I switch platforms later?
Yes. Most platforms let you export and import contacts, though you’ll need to rebuild automations and templates.
Is it legal to buy email lists?
Buying lists often violates consent laws, platform rules, and provider requirements — and it usually damages deliverability. Build your list organically.
What’s a good email open rate?
Open rates vary widely by industry and are less reliable than they used to be because of privacy features in some email apps. Clicks and conversions are often better measures of success.
Final Thoughts
The best email marketing platform depends on your business model and goals. Mailchimp and MailerLite are great all-rounders, Brevo offers value for large lists and multichannel messaging, Kit suits creators, Klaviyo is built for e-commerce, and ActiveCampaign leads in advanced automation. Start with a free plan or trial, focus on building a permission-based list, and prioritize sending emails your subscribers genuinely want to read.
This article is for general informational purposes. Features, pricing, and legal requirements change, so confirm details with each provider and applicable regulations.