“Free” in email marketing is one of the most abused words in SaaS. Some tools offer genuinely unlimited free plans. Others offer a 30-day trial dressed up as a free tier. Mailchimp offers a free plan so deliberately crippled that it seems designed to push you toward paying within a month of starting.
This guide cuts through the noise. We’ve ranked the email tools that are actually worth using on their free tiers — not just technically free, but free in a way that lets you build a real list and send real emails without hitting a wall in 90 days.
What to Look For in a Free Email Tool
Before the rankings: here’s what actually separates a useful free plan from a marketing gimmick.
Subscriber limits — How many contacts can you store before you pay? Some tools cap at 500; others allow 10,000. This matters enormously for anyone serious about building a list.
Monthly send limits — How many emails can you send per month on the free tier? Low send caps are the most common way platforms force upgrades.
Automation on free — Can you set up a welcome sequence or drip campaign without paying? Many tools lock all automation behind paid plans.
Branding in footer — Does the free tier add “Powered by [Tool]” to every email? Minor for most users, but relevant if you care about professional presentation.
Template quality — Are the free email templates modern and usable, or are you stuck with 2015-era layouts?
Upgrade path — What does it cost to grow? A generous free plan with punishing paid pricing isn’t actually a deal.
Quick Comparison
| Tool | Free Subscribers | Monthly Sends | Automation Free? | Footer Branding | Best For |
|---|---|---|---|---|---|
| MailerLite | 1,000 | 12,000 | Yes (limited) | Yes | Best overall free |
| Kit | 10,000 | Unlimited | No | No | Best for large audience building |
| Brevo | Unlimited | ~9,000 (300/day) | Yes (basic) | Yes | Best for high contact volume |
| HubSpot Email | Unlimited | 2,000/mo | No | Yes | Best if you also need free CRM |
| Mailchimp | 500 | 1,000 | No | Yes | Not recommended |
MailerLite — Best Overall Free Plan
Free tier: 1,000 subscribers, 12,000 emails/month, limited automation, MailerLite footer branding.
MailerLite’s free plan is the benchmark against which every other tool should be measured. 12,000 monthly emails to 1,000 subscribers is enough to send weekly campaigns to your entire free-tier list for three months running. The automation isn’t unlimited — you get basic trigger-based workflows — but you can run a welcome sequence and a few conditional flows without upgrading.
The catch on free: you don’t get the full drag-and-drop email editor. You work with a simplified editor that’s functional but limiting. Templates are available but the design experience is constrained. And the MailerLite logo appears in email footers, which you can only remove on paid plans.
Where the upgrade wall hits: If you want the full editor, advanced automation triggers, A/B testing, or custom HTML, you’re on the $9/month Growing Business plan. That’s a reasonable jump — and the free-to-paid path is one of the most gradual and honest in the category.
Verdict: Start here. 1,000 subscribers is enough runway to validate whether email marketing works for your business, and the tool is capable enough that you won’t be learning habits you’ll have to unlearn later.
Kit — Best Free Plan for Audience Building
Free tier: 10,000 subscribers, unlimited email sends, no automation, no footer branding.
Kit’s free plan is extraordinary on two dimensions: the subscriber cap (10,000) and the send limit (unlimited). If you’re building a large audience quickly and primarily want to send broadcast newsletters, Kit’s free plan gives you more raw capacity than any other tool on this list.
The limitation is hard: no automation on the free plan. Zero. No welcome sequence, no drip campaigns, no conditional logic. The free tier is a broadcast newsletter tool. If someone joins your list, you can’t automatically send them anything until you fire off your next campaign manually.
For creators building a following who want to grow a big free list before monetizing, this is acceptable. You’re in broadcast mode until you’re ready to pay. At 10,000 subscribers, Kit Creator starts at around $100/month — a significant jump from free. But you’ve built 10,000 subscribers before paying anything, which is genuinely rare.
Footer branding: None. Kit’s free emails go out without any “Powered by” attribution. For a tool that serves creators building personal brands, this detail matters.
Verdict: Choose Kit’s free plan if you expect to grow quickly and primarily want to broadcast content to a large audience. When you need automation — welcome sequences, product funnels, behavioral triggers — you’ll pay. Plan for that transition.
→ Kit
Brevo (Sendinblue) — Best for High Contact Volume
Free tier: Unlimited contacts, 300 emails/day (~9,000/month), basic automation, Brevo footer branding.
Brevo’s free tier is structurally different from the others: there’s no subscriber cap. You can import 100,000 contacts on the free plan. The constraint is the daily send limit — 300 emails per day means roughly 9,000 per month, regardless of list size.
This makes Brevo’s free plan uniquely suited to specific situations: businesses with large existing contact databases that only need to email a portion of their list regularly. Think B2B companies that import a CRM export and send a monthly newsletter to 5,000 people — Brevo’s free plan handles that without a problem.
Basic automation is included on the free tier, which gives Brevo an edge over Kit. You can set up trigger-based workflows. The automation builder is less polished than MailerLite’s or ActiveCampaign’s, but it works for standard use cases.
Where the upgrade wall hits: 300 emails per day is plenty for small sends but a genuine bottleneck for anyone trying to run time-sensitive campaigns to a large list. If you need to email 10,000 people on the same day, you can’t do it on the free plan. Brevo Starter at $25/month removes the daily send cap.
Verdict: Choose Brevo if you have a large existing contact list and email infrequently. Not the right choice if you need to send high-volume campaigns on a schedule.
→ Brevo
HubSpot Email — Best Free Option If You Need a CRM
Free tier: Unlimited contacts, 2,000 emails/month, no automation, HubSpot footer branding.
HubSpot’s email tool isn’t really a standalone product — it’s an entry point into the HubSpot ecosystem. The free email tier is intentionally limited (2,000 emails/month is low), but what you get in return is access to HubSpot’s free CRM: contact management, deal pipelines, meeting scheduling, and basic reporting, all free.
If you need email marketing and contact relationship management and you’re choosing between paying for a CRM separately or getting both free with HubSpot, the value equation shifts. The email tool is the weakest part of the package; the CRM is the reason to start here.
Where the upgrade wall hits: 2,000 emails per month to an unlimited contact list is very limiting for anyone doing regular campaigns. HubSpot’s paid Marketing Hub starts at $20/month for very basic features and scales to $890/month for the full Marketing Hub Professional. The paid upgrade path is significantly more expensive than competitors — HubSpot’s free plan is a CRM play, not an email marketing play.
Verdict: Only choose HubSpot’s free plan if you specifically need both email and CRM without paying for either. Don’t choose it if email is your primary tool — the send limits are too restrictive.
→ HubSpot
The Mailchimp Trap — Why We Don’t Recommend It
Free tier: 500 contacts, 1,000 emails/month, no automation, Mailchimp footer branding, limited templates.
Mailchimp was once the default recommendation for anyone starting with email. In 2026, its free plan is one of the worst in the category. 500 contacts and 1,000 emails per month is practically useless for anyone serious about building an email list. You can send exactly two campaigns to your entire free-tier list per month. After that, you’re done.
This isn’t an accident. Mailchimp has systematically degraded its free tier over the years to accelerate paid conversions. The 2019 version of Mailchimp’s free plan allowed 2,000 subscribers and 10,000 monthly sends. The current version is a fifth of that capacity.
The paid upgrade path is also expensive. Mailchimp Essentials starts at $13/month for 500 contacts — more per contact than most competitors. Standard is $20/month for 500 contacts. At 5,000 contacts, Standard runs $100/month, compared to MailerLite’s $19/month.
There is no use case in 2026 where Mailchimp’s free plan is the right choice. It’s not competitive on subscriber limits, send limits, automation access, or value on the paid upgrade path. Choose literally anything else on this list.
How to Choose by Situation
You’re just starting — first 100 subscribers: MailerLite. The free plan is generous enough to learn on, the interface won’t overwhelm you, and you won’t need to migrate later.
You’re building a large audience quickly: Kit. 10,000 free subscribers with unlimited sends is unmatched. Accept that you won’t have automation until you pay.
You have a big contact list but email rarely: Brevo. Unlimited contacts, basic automation, and the 300/day send limit probably fits your actual usage.
You need email + CRM without paying: HubSpot. It’s not the best email tool, but the CRM integration makes it the right choice for specific situations.
You need automation on the free tier: MailerLite or Brevo. Kit locks automation behind its paid plan. MailerLite has the more polished automation experience; Brevo handles it at unlimited contact scale.
You want no branding in free emails: Kit. It’s the only tool here that sends unbranded free-tier emails.
Final Recommendations
Best overall free plan: MailerLite. The combination of subscriber limit, send limit, automation access, and upgrade path is the most balanced in the category.
Best if you’re growing fast: Kit. 10,000 free subscribers and unlimited sends is a hard offer to beat if broadcast email is your primary use case.
Best for high contact volume: Brevo. Unlimited contacts on the free plan is unique. The daily send cap is manageable if your sending frequency is low.
Avoid: Mailchimp. 500 contacts in 2026 is not a free plan — it’s a trial.
See all email marketing tools compared → Best Email Marketing Software 2026