Marketing automation and lifecycle messaging · Head to head
Klaviyo vs Mailchimp — ecommerce engine or email app
Updated 2026-09-30 · markdown mirror
Verdict
Klaviyo for a Shopify store that treats email as a revenue channel: native order sync, revenue attribution, and SMS plus push credits in the free plan. Mailchimp for email-first small businesses that want the simplest start and the familiar name. The gap is automation on the free plans: Klaviyo's free tier runs flows, Mailchimp's free tier runs none, and that single row decides most comparisons at the bottom end.
| Klaviyo | Mailchimp | |
|---|---|---|
| Best for | ecommerce stores on Shopify that want predictive analytics and revenue attribution behind every campaign | small businesses that want the familiar name for email-first campaigns and accept plan-gated depth |
| Free tier | Free plan, 250 profiles, 500 emails/mo, $5 mobile messages Documented at the source Checked 2026-09-30 www.klaviyo.com /pricing | Permanently free under 250 contacts, 500 sends/mo, no automation flows Documented at the source Checked 2026-09-30 mailchimp.com /pricing/ |
| Paid from | $20/mo Documented at the source Checked 2026-09-30 www.klaviyo.com /pricing Rendered live in the plan-builder calculator; a $19-off first-month promo ran at fetch. Pricing is a contact-count calculator, not a static ladder; 10,000 profiles rendered USD 50/mo with a 25% promo shown | $20/mo Documented at the source Checked 2026-09-30 mailchimp.com /pricing/ Starts-at for the 0-500 contact band; the page rendered an AUD default selector ($17/mo promo for 12 months shown), USD base is the anchor per Mailchimp's own note; contact-band pricing scales to $800/mo at 100,000 contacts |
| Ecommerce native | Yes Documented at the source Checked 2026-09-30 www.klaviyo.com /ecommerce-integrations/shopify | Native Shopify sync (contacts, orders, behaviour), generalist build, predictive segments on Standard and Premium only Documented at the source Checked 2026-09-30 mailchimp.com /solutions/ecommerce-marketing-tools/ |
| Built-in SMS | Yes Documented at the source Checked 2026-09-30 www.klaviyo.com | Paid add-on only, application required, select countries Documented at the source Checked 2026-09-30 mailchimp.com /pricing/marketing/compare-plans/ |
| Built-in push | Yes Documented at the source Checked 2026-09-30 www.klaviyo.com /ecommerce-integrations/shopify | No Documented at the source Checked 2026-09-30 mailchimp.com /pricing/marketing/compare-plans/ |
| Free tier | Yes Documented at the source Checked 2026-09-30 www.klaviyo.com /pricing | Yes Documented at the source Checked 2026-09-30 mailchimp.com /pricing/ |
| AI crawler policy | open Tested by us Checked 2026-09-30 /marketing-automation/benchmarks/marketing-automation-ai-crawler-access/ Our benchmark (n=6 tools × 3 runs) — methodology on the benchmark page | open Tested by us Checked 2026-09-30 /marketing-automation/benchmarks/marketing-automation-ai-crawler-access/ Our benchmark (n=6 tools × 3 runs) — methodology on the benchmark page |
● tested by us · ● documented at the source · ● unconfirmed, queued in /confirm.txt — hover or tap a dot for the source and date
The actual difference
Klaviyo is an ecommerce engine that happens to send email: its data model is orders, products, and predicted lifetime value, and every campaign reports against revenue. Mailchimp is an email app that grew marketing features: audiences, campaigns, and forms first, with ecommerce sync attached. A Shopify store feeding on flows and attribution feels the difference in week one. A newsletter-and-promotions sender never will, which is why both keep winning different buyers.
The free-plan row that decides it
Both brands advertise free plans, and the fine print splits them. Klaviyo’s free tier includes flows, the automation backbone of ecommerce email. Mailchimp’s free tier explicitly excludes automation flows, and its support window is 30 days of email. If you are choosing on the free plan, you are really choosing whether automation is part of your definition of email marketing. The category’s answer is yes, which is the argument Mailchimp is losing inside its own comparison table.
The pricing-model trap
Both bill by contact count, so the honest comparison is at your real list size next year, not today’s. Mailchimp’s send allowance is a multiple of contacts (12x on Standard), so growth changes two numbers at once, and its promotional framing (15% off, intro pricing) resets against the list price. Klaviyo’s calculator bundles module add-ons (Composer, mobile messaging) that are easy to leave unpriced until the invoice arrives. Get both calculators to your actual contact bands and compare rendered totals, not the starting prices on the marketing page.
FAQ
Is Klaviyo better than Mailchimp for Shopify?
For a Shopify store running lifecycle flows, yes. Klaviyo is the self-described preferred Shopify email platform partner, syncing customer, product, and order data in real time with revenue attribution per campaign. Mailchimp syncs Shopify contacts and orders natively too, but its predictive segments and revenue analytics gate at Standard or Premium. Klaviyo's depth is built for the storefront; Mailchimp's is borrowed from a generalist email app.
Which is cheaper, Klaviyo or Mailchimp?
At the entry band they tie. Klaviyo's calculator rendered $20/mo at 500 profiles and Mailchimp Standard starts at $20/mo for 500 contacts. They diverge with list growth, because both price by contact count and the bands escalate (Mailchimp Standard reaches $800/mo at 100,000 contacts, with a $17/mo promo for year one). Mailchimp's own homepage advertises savings of up to 42 percent versus Klaviyo, which is the vendor telling you where it bleeds.
Do both have a free plan?
Yes. Klaviyo's free plan covers 250 profiles, 500 emails/month, and $5 of mobile messages. Mailchimp's covers 250 contacts and 500 sends with one seat and one audience. The difference is inside the plan. Klaviyo's free tier runs core flows, Mailchimp's free tier includes no automation flows at all.
Which has built-in SMS?
Klaviyo, natively. SMS is a unified channel in Klaviyo's profile model with a per-send rate card, and even the free plan carries $5 of mobile messages. Mailchimp sells SMS only as an application-and-approval add-on on paid plans, with MMS limited to Standard and Premium sending to US and Canada. For an SMS-led ecommerce motion, this row is the comparison.