Best email marketing tools 2026: an honest comparison

For email marketing in 2026 the choice usually comes down to three services: Mailchimp (mature all-in-one), Brevo (pay per email, not per list) and MailerLite (simplicity at an affordable price). There’s no «best for everyone» — only the best for your send volume, list size and budget.

Below are the selection criteria, a side-by-side table and honest pros and cons of each.

How to choose an email tool in four steps

1. 1

   Assess list size and frequency

   A large list and rare sends favour pay-per-email; a small list and frequent sends favour pay-per-contact.

2. 2

   List the features you need

   Segmentation, automated sequences, forms, SMS — keep what you'll actually use.

3. 3

   Check deliverability and domain

   Verify your domain (SPF/DKIM) and test whether emails land in the inbox, not spam.

4. 4

   Price it at scale

   Judge the cost of the working plan with your list and volume, not the starter figure.

What criteria to compare on?

Look at four things: pricing model (per contact or per email), features (segmentation, automation, forms), editor simplicity, and deliverability. Fifth is integrations with your site and CRM.

How do the three services look side by side?

The score is our editorial rating on a 10-point scale, not a vendor ranking. It reflects the balance of features, price and simplicity for a small business.

The free tiers are the real fork here, and they are not measured in the same unit: Mailchimp is free up to 250 contacts and 500 emails a month, with Essentials from $13/mo Mailchimp pricing page, August 2026 , Brevo caps sends instead of contacts — 300 emails a day, roughly 9,000 a month, with Starter from $9/mo Brevo pricing and help centre, August 2026 , and MailerLite is free up to 250 subscribers and 2,500 emails a month, with paid plans from $12/mo MailerLite pricing page, August 2026 . A big list you email rarely is cheapest on Brevo; a small list you email often is not. Checked August 2026.

Who suits whom?

Mailchimp — if you want a mature tool with a large ecosystem. Downside: price climbs fast with the list, and it can be overkill for simple newsletters.

Brevo — if your list is large and sends are moderate: pay-per-email is more economical. Downside: fewer ready templates, and deeper automation on paid plans.

MailerLite — if simplicity and price matter most. Downside: fewer options for complex scenarios, and account moderation can be strict.

So which should you pick?

There’s no single winner for everyone. Start from list size and send frequency: mature all-in-one — Mailchimp; economical pay-per-email — Brevo; simplicity at a price — MailerLite. The safest way not to get it wrong is to send a few real campaigns in a trial account before you pay.