The Best Email Marketing Tools for Solo Business Owners in 2026

We may earn a commission from links on this page. Picks are research-based, not hands-on tested. Full disclosure

When you run a business on your own, your email list is the one marketing channel you actually own — no algorithm decides who sees your message. The right tool makes it easy to collect sign-ups, send a regular newsletter and set up a welcome email that works while you sleep. The wrong one buries you in features or surprises you with a big bill as your list grows.

We compared current plans and limits straight from each provider’s pricing pages and help docs, and weighed what independent reviewers say about ease of use, deliverability and support. Every tool below has a free plan, so you can start without spending anything.

Our top picks at a glance

• Best overall for beginners: MailerLite — clean editor, automations and a landing page on the free plan.
• Best free plan for newsletters and creators: Kit — up to 10,000 subscribers free, with unlimited broadcasts.
• Best all-in-one for selling online: Systeme.io — email, funnels, courses and checkout in one platform.
• Best for webinars and funnels: GetResponse — email plus webinars, courses and sales funnels on higher plans.
• Best for large lists you email occasionally: Brevo — store lots of contacts free; pay per sending volume.
• Best if you want a CRM: HubSpot — free CRM with marketing email built in.

Comparison table

Tool	Best for	Free plan (per vendor, at time of writing)	Paid plans start at*	Standout features
MailerLite	Beginners	250 subscribers, 2,500 emails/mo, automations, a landing page and a website	$12/mo (Comfort)	Excellent editor, automations, websites
Kit	Newsletters & creators	Up to 10,000 subscribers, unlimited broadcasts, unlimited forms & landing pages	$39/mo (Creator, 1,000 subs)	Tagging, digital product sales, Creator Network
Systeme.io	Selling courses & products	2,000 contacts, unlimited emails, 3 funnels, 1 course, 1 automation rule	$17/mo (Startup)	Funnels, courses, checkout, 0% transaction fees
GetResponse	Webinars & funnels	500 contacts, 2,500 emails/mo, 1 landing page	$19/mo (Starter, 1,000 contacts)	Webinars, courses and funnels on higher plans
Brevo	Big lists, occasional sends	Up to 300 emails/day; generous contact storage	See Brevo pricing	Email + SMS + transactional email
HubSpot	CRM-first businesses	Free CRM; 2,000 marketing emails/mo with HubSpot branding	See HubSpot pricing	CRM, forms, deal pipeline

*Vendor-listed starting prices at the time of writing, typically for the smallest list size; prices vary by list size, billing period, currency and taxes. Always confirm on the provider’s site.

The best email marketing tools, reviewed

1. MailerLite — Best overall for beginners

Who it’s for: solo owners starting a list from scratch who want professional-looking emails without a learning curve.

MailerLite is the tool reviewers most often hand to beginners. Its free plan includes up to 250 active subscribers and 2,500 emails per month, plus a drag-and-drop editor, automations, signup forms, a landing page and a website. Only active subscribers count toward the limit — unsubscribed and bounced contacts don’t. Paid plans start at $12/month for Comfort, which removes MailerLite branding and adds unlimited templates and an AI writing assistant; Power (from $25/month) unlocks unlimited sends and 24/7 live chat.

What to know: At 250 subscribers, MailerLite’s free plan is one of the smaller ones in this guide, so you may outgrow it quickly. Some users report a strict account-approval process, and email templates are limited on the free tier.

• Pros: best-in-class ease of use, automations and landing page on free plan, low entry price
• Cons: small free-plan subscriber cap, account approval can be strict

2. Kit (formerly ConvertKit) — Best free plan for newsletters

Who it’s for: coaches, consultants, writers and creators whose main goal is growing a newsletter audience.

Kit’s free plan is the most generous on subscriber count: up to 10,000 subscribers with unlimited broadcasts, unlimited forms and landing pages, tagging and segmentation, A/B testing on broadcasts, and the ability to sell digital products and subscriptions. It also enrolls you in the Kit Creator Network, where other newsletters can recommend yours. Paid Creator plans start at $39/month for up to 1,000 subscribers, according to Kit’s help center.

What to know: Kit’s current Free-plan help article lists visual automations and email sequences as paid features, so an automated welcome series may require upgrading. Free accounts also display Kit branding, and templates are mostly simple, text-forward designs rather than image-heavy layouts.

• Pros: 10,000 free subscribers, unlimited sends, built-in growth network, sell digital products
• Cons: automations mostly on paid plans, higher paid entry price

3. Systeme.io — Best all-in-one for selling online

Who it’s for: solo owners selling courses, coaching, digital products or simple physical products who don’t want to stitch together separate tools.

Systeme.io bundles email marketing with sales funnels, websites, online courses, a blog, an affiliate program manager and checkout. According to its pricing page, the free plan covers 2,000 contacts, unlimited email sends, three sales funnels, one course, one automation rule and a custom domain, with 0% transaction fees from Systeme.io on every plan. The Startup plan is $17/month (5,000 contacts), Webinar is $47/month and Unlimited is $97/month.

What to know: because it does so much, its email editor and automation tools are less polished than dedicated email platforms like MailerLite. If you only need a newsletter, it’s more than you need.

• Pros: replaces several tools, generous free plan, unlimited emails, no platform transaction fees
• Cons: email features less refined than specialists, free plan limits automation to one rule

4. GetResponse — Best for webinars and sales funnels

Who it’s for: educators, consultants and service businesses that generate leads through webinars, workshops or courses.

GetResponse’s free plan includes space for up to 500 contacts, 2,500 emails per month and one landing page, plus 14 days of premium features. Its paid plans all include unlimited monthly sends: Starter (from $19/month for 1,000 contacts, per GetResponse) adds one custom automation workflow, while Marketer adds unlimited automations, sales funnels and abandoned-cart recovery, and Creator adds live and on-demand webinars, a website builder and a course creator. AWeber’s own roundup — written by a competitor — still names GetResponse the pick for webinar-driven marketing.

What to know: the free plan’s 500-contact cap is tight, and the webinar and course tools you may be joining for live on the more expensive Creator plan. If you’ll be presenting live, see our picks for the best webcams for remote meetings and best headsets for Zoom and Teams calls.

• Pros: webinars, funnels and courses alongside email, unlimited sends on paid plans
• Cons: small free plan, best features on higher tiers

5. Brevo — Best for large lists you email occasionally

Who it’s for: businesses with an existing customer list (for example, past clients) who email it a few times a month and may also need SMS or transactional emails like receipts.

Brevo (formerly Sendinblue) prices by email volume rather than list size. Its free plan allows up to 300 emails per day and stores a large number of contacts, according to Brevo’s help center. Paid plans add higher monthly sending volume, removal of Brevo branding, marketing automation and A/B testing (Standard), and extra channels such as WhatsApp and push notifications on Professional. All plans include access to transactional email via API or SMTP.

What to know: the 300-per-day cap makes it awkward to send one campaign to a big list on the free plan, and the editor and interface are busier than MailerLite’s.

• Pros: generous contact storage, email + SMS + transactional in one place
• Cons: daily sending cap on free plan, more complex interface

6. HubSpot — Best if you want a CRM

Who it’s for: service businesses and freelancers who track leads, proposals and clients and want email marketing tied to that data.

HubSpot’s free tools include its CRM plus marketing email, forms, landing pages and basic reporting. Free marketing emails are limited to 2,000 sends per calendar month and carry HubSpot branding. The big advantage is context: every email and form submission lands on a contact record next to your deals and notes.

What to know: HubSpot’s paid tiers can get expensive as you add features and marketing contacts, and the platform is more complex than a pure email tool. Check HubSpot’s current free-tool limits before committing.

• Pros: free CRM included, email tied to deals and contacts, scales to a full sales/marketing suite
• Cons: branded free emails, paid tiers get pricey, steeper learning curve

How to choose an email marketing tool

Start with the limit you’ll hit first

Free plans cap subscribers, monthly sends, daily sends or automations. If you’re building from zero, a subscriber cap matters most; if you have a big list you email rarely, a sending cap matters more.

Decide how much automation you need

At minimum, most businesses want an automated welcome email or short sequence for new subscribers. Check whether that’s included free — it isn’t on every plan.

Think about what else you sell

Selling courses, digital products or webinars? An all-in-one like Systeme.io or GetResponse can replace several subscriptions. Just need a newsletter? A dedicated tool like MailerLite or Kit is simpler.

Check deliverability basics

Whatever you pick, send from your own domain (e.g., you@yourbusiness.com) and set up the SPF, DKIM and DMARC records your provider asks for. This helps your emails reach inboxes instead of spam folders. If you don’t have a domain yet, some hosting plans include one for the first year; our Hostinger review for a first small-business website covers what’s bundled.

Plan your upgrade path

Look at what the first paid tier costs at your expected list size a year from now, not just today.

How we chose

This guide is research-based — we did not open accounts and test each tool for this article. We compared free-plan limits, paid-plan features and starting prices directly from each provider’s pricing pages and help centers, and reviewed independent and competitor roundups for patterns in ease of use, deliverability and support. We focused on what matters to a one-person business: a usable free plan, low cost to grow, essential automation and a manageable learning curve. Plans change often, so we’ll update this guide regularly.

FAQ

What is the best free email marketing software for a small business?

For most beginners, MailerLite offers the best balance of features and ease of use on its free plan. If you need room for many subscribers, Kit’s free plan allows up to 10,000. If you also sell courses or products, Systeme.io’s free plan is the most complete.

Can I use Gmail for email marketing?

Not for bulk marketing. Personal inboxes aren’t built for list management, unsubscribe handling or high volumes, and large sends can hurt your account’s reputation. A dedicated platform handles consent, unsubscribes and deliverability for you.

Do I need a website to start an email list?

No. Most tools here include landing pages or simple sites, so you can start collecting sign-ups before your website is finished.

What laws apply to email marketing?

In the U.S., the CAN-SPAM Act requires accurate sender information, a physical mailing address and a working unsubscribe link. If you email people in the EU, UK or Canada, consent rules are stricter. Your provider’s compliance guides are a good starting point; get professional advice for your situation.

How often should I email my list?

Consistency beats frequency. Many small businesses do well with one useful email per week or every two weeks.

The bottom line

Start with MailerLite if you want the easiest tool to learn, Kit if you’re building a newsletter-first business and want the most free subscribers, or Systeme.io if you want email, funnels and courses under one roof. Choose GetResponse for webinars, Brevo for large lists you email occasionally, and HubSpot if your business runs on a sales pipeline. Since all six are free to start, the best way to decide is to build your signup form in your top two choices and keep the one that feels easiest to use. Still setting up the website your signup form will live on? Read our Hostinger review for small business websites.

Sources consulted

• Vendor pricing pages and help centers (accessed Oct 20, 2026): MailerLite pricing; Kit Help Center (“The Kit Free plan” and “The Kit Newsletter Plan”); Systeme.io pricing; GetResponse pricing, Free plan page and help center; Brevo pricing and help center; HubSpot free tools pages
• HubSpot Blog, “The best free email marketing software”; AWeber Blog, “The 10 Best Email Marketing Tools for Small Businesses”; Small Business Software Guide, “Best Free Email Marketing Software for Small Businesses”