Mailchimp vs Mailerflow: Features and Pricing Compared

Mailchimp vs Mailerflow comes down to two different pricing philosophies and two different ideas of what an email platform is for. Mailchimp is an established all-in-one marketing platform with Free, Essentials, Standard, Premium and custom plans tiered by contact count with monthly send limits. Mailerflow is an AI-first email platform: unlimited emails on every paid plan from €9.90/month, an AI email builder that turns a description into a finished responsive design, and data hosted in Europe. If you need the integrations and features listed on Mailchimp's pricing page, Mailchimp. If your costs are driven by send volume, you want AI to draft emails and automations, and you prefer predictable per-contact pricing, Mailerflow.

Comparison table (verified on 11 October 2026)

Mailchimp facts below come from mailchimp.com/pricing/marketing, checked on 11 October 2026. Mailerflow facts come from the product's published plans.

Pricing models: per contact vs per send

The structural difference matters more than any single price. Mailchimp's published plans are tiered by contact count and include a monthly send allowance — the Standard plan, for example, sends up to 6,000 emails each month and starts at $20/month after a 14-day trial (verified 11 October 2026). Mailerflow charges by contacts only: every paid plan includes unlimited emails, starting at €9.90/month for 5,000 contacts, with a Free plan at 2,500 contacts and 10,000 emails a month.

Here is a worked example. Say you have 5,000 contacts and send four campaigns a month — 20,000 emails. On Mailchimp's Standard plan, whose published monthly cap is 6,000 emails, that volume would exceed the published monthly allowance, so you would need to check Mailchimp's options for higher volume. On Mailerflow, the Starter plan at €9.90/month covers 5,000 contacts with unlimited sends. Your own numbers will differ — calculate your monthly send volume before comparing.

Two Mailchimp details are worth knowing if you are on a larger list. Businesses with 10,000+ contacts can save 15% on their first 12 months, and that discount is kept if you change to Premium or Essentials (verified 11 October 2026). You can also cancel or downgrade to the basic Free plan at any time. Mailerflow's equivalent lever is billing: yearly billing costs the same as 10 months.

What to check on your own account

• Monthly emails sent, not just list size. Divide sends by campaigns to see how close you run to a send cap.
• How many contacts are engaged. A large, dormant list costs money on a per-contact plan either way.
• Whether you need add-ons. Check whether send-volume add-ons or contact upgrades are separate line items on your plan.

Email editor and templates

Mailchimp lists custom-coded email templates and generative AI features among its plan features (verified 11 October 2026). That combination suits teams that want hand-coded control over a template and a set of ready-made templates to draw on.

Mailerflow's editor is a visual block editor — headings, heroes, products, columns, social links — with reusable templates. The AI email builder is the more distinctive part: describe the email you want and you get a complete responsive design plus subject lines and preview text, which you then edit block by block. The practical difference is your starting point. If you usually begin from a coded template, Mailchimp's approach will feel familiar. If you would rather begin from a sentence and refine, Mailerflow's does.

Automation

Mailchimp lists enhanced automations among its plan features (verified 11 October 2026); check the pricing page for how automation limits vary by plan. Mailerflow's visual automations support waits, conditions, webhooks and AI steps, triggered by signups, events, dates, inactivity and website behaviour. The AI automation builder drafts a workflow from a one-sentence description — trigger, waits, conditions and emails — for you to review before activation.

Plan limits are the practical constraint. Mailerflow allows 3 active automations on Free, 10 on Starter, 50 on Growth, and unlimited from Pro upward. Before comparing, list the journeys you actually run: a welcome series, an abandoned-browse follow-up, a win-back sequence, a post-purchase check-in. If that is four, a 3-automation cap is a real ceiling; if it is twelve, a 10-automation cap is.

Segmentation and personalization

Mailerflow builds dynamic segments on fields, tags, engagement, events and website behaviour, and can generate a segment from a plain-language description. A segment definition might read: clicked a pricing link in the last 30 days but never started a trial. AI personalization steps and website-behaviour data collected through a JS SDK let you tailor an email to what each contact read or did.

Mailchimp lists generative AI features, enhanced automations and customizable popup forms on its pricing page (verified 11 October 2026). Segmentation and personalization capabilities change between plans, so check Mailchimp's official documentation for the current feature set rather than relying on older comparisons.

Deliverability and sending infrastructure

Mailerflow sends from your own domain with guided DKIM, SPF and DMARC setup and automatic verification, suppresses bounces and complaints automatically, monitors reputation, and applies warm-up limits when you start sending. That is a concrete difference worth weighing: authentication setup is guided and verified inside the product rather than left to you to configure and test.

Mailchimp's sending infrastructure and authentication setup are described in its official documentation — check there for current details, since specifics vary by plan and change over time.

Transactional email, API and integrations

Mailerflow provides a transactional email API on a high-priority lane with templates and variables, a REST API with scoped keys, idempotency keys, an OpenAPI spec, code samples and a JS SDK, plus signed real-time webhooks with retries and delivery logs. If you send password resets, receipts or notifications alongside campaigns, having that in the same platform removes a second vendor and a second set of contact data.

Mailchimp's integrations and API offerings are listed on its official site; check there for current details. For many teams that breadth is the reason to stay, so rather than list integrations that may change, verify the ones you depend on directly on Mailchimp's site.

Support, data location and compliance

Mailchimp lists personalized onboarding among its features (verified 11 October 2026); check its pricing page for current support details. Mailerflow hosts data in Europe and provides GDPR tools including data export, erasure, consent logs and configurable retention, plus embeddable signup forms with double opt-in and consent records. Migration help is free on eligible paid plans and covers contacts, suppression lists, templates and core automations.

If you or your clients require EU data residency, that is a concrete criterion to weigh rather than a marketing point.

Which one to choose for Mailchimp users reviewing costs and alternatives

Choose Mailchimp if: you rely on the integrations listed on its site; you want custom-coded templates; or you are on a custom plan for very large lists and the 15% first-year discount for 10,000+ contacts applies to you.

Choose Mailerflow if: your costs are driven by send volume rather than list size; you want AI to draft emails and automations; you need transactional email and a documented API in the same tool; or you need EU data hosting. The Mailerflow features page covers the automation, segmentation and API details in more depth.

A decision checklist you can run in ten minutes:

1. Write down monthly sends and contact count. If sends are high relative to contacts, per-send limits will cost you.
2. Count the automations you need active at once, then check each plan's cap.
3. Decide whether transactional email belongs in the same platform.
4. Confirm data-residency requirements with whoever owns compliance.
5. Estimate migration effort. Mailerflow's CSV import checks for duplicates and invalid addresses, and free migration help on eligible paid plans covers contacts, suppression lists, templates and core automations.

When you have your numbers, compare the totals on the Mailerflow pricing page against your current Mailchimp bill.

FAQ

Can I migrate from Mailchimp to Mailerflow without losing my contacts and templates?

Yes — import contacts by CSV, which checks for duplicates and invalid addresses, and Mailerflow offers free migration help covering contacts, suppression lists, templates and core automations on eligible paid plans. Keep your Mailchimp account active until the import and a test campaign are verified.

Does Mailerflow really include unlimited emails on paid plans?

Yes. Every paid plan from €9.90/month includes unlimited emails; pricing is based on contacts, not sends. The Free plan is capped at 10,000 emails a month.

Is there a free plan on both platforms?

Mailchimp offers a basic Free plan and you can cancel or downgrade to it at any time (verified 11 October 2026). Mailerflow's Free plan includes 2,500 contacts, 10,000 emails a month, 3 active automations and 100 AI actions a month.

Can I send transactional emails with Mailerflow?

Yes, through a transactional email API on a high-priority lane with templates and variables, alongside signed webhooks and delivery logs.

Where is Mailerflow data hosted?

In Europe, with GDPR tools for data export, erasure, consent logs and configurable retention.

How do I check Mailchimp's current prices and plan limits?

Go directly to mailchimp.com/pricing/marketing. The figures in this article were verified there on 11 October 2026 and may have changed since.

Try Mailerflow on the Free plan (2,500 contacts, 10,000 emails a month, AI automation builder included), import your contacts by CSV, and ask about free migration help on eligible paid plans.