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What every guide covers
What transfers, and what doesn’tThe vendor’s own import path, step by step, plus the data you will rebuild by hand. Switching cost estimatorAn adjustable estimate of the hidden labor, cleanup and retraining cost, with its assumptions shown.
Pricing data
Software IndexEvery tool we track in one sortable table: entry price, free plan, AI pricing and source. AI Pricing DatabaseHow each vendor bills its AI features: bundled, add-on, metered or quote.
Original research
The B2B SaaS Sticker Shock IndexCheapest published entry price in 18 categories, ranked.The AI TaxHow 19 AI features are actually billed: bundled, add-on or metered.The Real Cost of a 10-Person Startup StackThree software stacks priced at published entry prices.
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Download the datasetsJSON and CSV under CC BY 4.0. Every value carries its source page and verification date. How we verify pricingThe research method behind every figure on the site.
EMAIL MARKETING · MIGRATION GUIDE

Switching from Constant Contact to Mailchimp

Mailchimp publishes a step-by-step guide for moving from Constant Contact, but there is no one-click importer: you export each list to CSV, import it into a single audience, and rebuild templates, segments and automations.

Jump to migration steps Read the full comparison
By Bill Belcamino · Last updated September 18, 2026 · Our methodologyResearched and fact-checked by the HelpCompare team
Switching from Constant Contact to MailchimpVerified Sep 18, 2026

Quick verdict: Export each Constant Contact list to CSV (you can export by list, segment or tag), then import into one Mailchimp audience and recreate your lists as tags, groups and segments — Mailchimp recommends a single audience. Export the HTML of your email templates to rebuild them, then duplicate and test segments and automated flows. Remember that Mailchimp counts unsubscribed contacts toward your bill; archive them to keep costs down.

Estimate · your inputs

Switching Cost & Friction Estimator

Most buyers only budget for the new subscription. This estimates the hidden labor, data-cleanup, and retraining cost of actually making the switch.

25,000
10

Estimate assumes: 1 hour of data-mapping/cleaning labor per 2,000 records, a blended $75/hr ops rate, tiered migration & cleaning tooling fees, and 4 hours of retraining per seat at a $45/hr fully-loaded rate.

Estimated Migration Time —
Data Friction Rating —
Total Hidden Switching Cost $0

    Why teams move from Constant Contact to Mailchimp

    A free plan and cheaper mid-size tiers

    Mailchimp has a free plan for 250 contacts, and from 501 contacts its Essentials and Standard plans cost less than Constant Contact’s on monthly prices.

    More seats on budget plans

    Mailchimp Essentials includes 3 seats and Standard 5, against 1 and 3 on Constant Contact Lite and Standard.

    Generative AI included

    Mailchimp includes its generative AI features on Standard and Premium at no additional cost.

    How the migration actually works

    Mailchimp’s help centre has a dedicated guide for this move. It is a manual, multi-step process, so start by recording what you have in Constant Contact.

    StepWhat you do
    1Record your Constant Contact setupNote how many contacts and lists you have, your custom fields, your templates and your automations.
    2Export contactsExport each Constant Contact list to a CSV or Excel file; you can also export by segment or tag.
    3Import into a single audienceImport the files into one Mailchimp audience, turning each former list into a tag so you can still target it.
    4Recreate groups and segmentsUse groups for contact preferences and segments for filters, and duplicate and test the segments you relied on.
    5Rebuild templatesExport the HTML code for each Constant Contact template and re-create it in Mailchimp.
    6Rebuild automations and integrationsRecreate your automated flows in Mailchimp’s Customer Journey Builder and reconnect your integrations.
    7Archive unsubscribesMailchimp counts unsubscribed and non-subscribed contacts toward your bill; archived, cleaned and deleted contacts do not count.

    What this path doesn’t do for you:

    Nothing moves automatically: automations, templates, segments and reporting history all have to be rebuilt or saved separately. Keep unsubscribed contacts in Mailchimp so they are suppressed, but archive them — otherwise they count toward your plan’s contact total.

    Pricing side by side

    PlanConstant ContactMailchimp
    FreeNo — 30-day trial, 100 sends250 contacts, 500 sends a month
    Entry paidLite — $12/mo (500 contacts, 1 user)Essentials — $13/mo (500 contacts, 3 seats)
    MidStandard — $35/mo (500 contacts, 3 users)Standard — $20/mo (500 contacts, 5 seats)
    TopPremium — $80/mo (500 contacts, unlimited users)Premium — $350/mo (10,000 contacts, unlimited seats)
    Contacts billedHighest number of active contactsSubscribed, unsubscribed and non-subscribed
    Trial30 days, no card; 30-day refund14 days (Standard or Essentials)

    Monthly list prices at 500 contacts, checked on mailchimp.com/pricing and constantcontact.com/pricing on September 18, 2026. Both scale by contact count. Confirm current rates before you buy.

    Feature parity check

    CapabilityConstant ContactMailchimp
    Native import from the other toolBuilt-in Mailchimp integration (for the reverse move)Manual CSV, with a dedicated help guide
    Free planNone — 30-day trial250 contacts, 500 sends a month
    Contacts billedHighest active countSubscribed, unsubscribed, non-subscribed
    Send limit10x / 12x / 24x contacts10x / 12x / 15x contacts
    SMS500/mo on Premium; from $10/mo on Lite and StandardAdd-on from $20/mo
    Users1 / 3 / unlimited3 / 5 / unlimited

    Going the other direction, or want the full comparison first?

    Read the Mailchimp vs Constant Contact comparison Switching from Mailchimp to Constant Contact instead?

    Frequently Asked Questions

    Does Mailchimp have a Constant Contact importer?

    No one-click importer. Mailchimp’s guide has you export each Constant Contact list to CSV and import it, then rebuild templates, segments and automations.

    Should I create one Mailchimp audience per Constant Contact list?

    Mailchimp recommends a single audience, using tags, groups and segments to organise contacts — separate audiences can mean paying for the same contact twice.

    How do I move my email templates?

    Export the HTML code for each template from Constant Contact and re-create it in Mailchimp.

    Will unsubscribed contacts cost me money on Mailchimp?

    They count toward your contact total unless you archive them. Archived, cleaned and deleted contacts do not count.

    Will Mailchimp cost less?

    From 501 contacts, Mailchimp’s Essentials and Standard plans cost less than Constant Contact’s on monthly prices at every tier we checked. At 500 contacts or fewer, Constant Contact Lite is $1 cheaper — and Mailchimp’s free plan covers up to 250 contacts.

    Canonical data for the tools on this page

    Every pricing fact, rating, AI billing model and switching guide we hold on each tool, on one page — with the date each figure was last verified.

    Constant ContactPricing, free plan, AI cost & every comparison›MailchimpPricing, free plan, AI cost & every comparison›
    Mailchimp vs Constant ContactHead-to-head comparisonMailchimp vs KlaviyoHead-to-head comparison

    Sources

    Prices on this page were recorded from each vendor’s own pricing page on the date shown at the top of the page. Vendors change pricing often — check the live source before you buy.

    Every figure is also in our open dataset (JSON and CSV, CC BY 4.0), with its source page and verification date. See how we research pricing.

    Bill Belcamino, founder of HelpCompare
    About the author

    Bill Belcamino

    Founder and author, HelpCompare

    Bill has worked in software and digital marketing for more than 20 years. He spent nine years as an engineer at HP, served as COO scaling a platform past 200,000 users, and ran Google’s $70M/year search syndication partnership at Alot.com. He has bought, trialled, integrated and cancelled more SaaS tools than he can count, and started HelpCompare because the real cost of switching tools is the part nobody covers.

    “I’ve sat on both sides of the table: the agency recommending the tool and the client paying for it.”

    Researched and fact-checked by the HelpCompare team. Pricing on this page was last verified on September 18, 2026. No paid sponsorships, no affiliate commissions.

    Read Bill’s story How we verify pricingSpot an error? Tell Bill