Quick answer: Klaviyo is purpose-built for ecommerce — deep Shopify data, unlimited-condition segmentation and predictive analytics — while Mailchimp is the easier, more general all-rounder for small businesses building a list. Both start free at 250 contacts and 500 sends. The billing differs: Mailchimp charges per contact and can double-charge someone on multiple lists, whereas Klaviyo charges per profile (EmailTooltester).
Mailchimp and Klaviyo are two of the best-known email platforms, but they are built for different jobs. Picking the wrong one means either paying for ecommerce power you never use, or hitting a wall the moment your store gets serious. Here is how they actually compare in 2026.
Disclosure: Bluey Email, mentioned near the end, is my own product. I have held it to the same standards as Mailchimp and Klaviyo.
Mailchimp vs Klaviyo at a glance
| Mailchimp | Klaviyo | |
|---|---|---|
| Free plan | 250 contacts, 500 sends/mo | 250 profiles, 500 sends/mo + $5 SMS |
| Pricing model | Per contact (per audience) | Per profile |
| Entry paid price | Essentials from $13/mo | Email from roughly $20/mo |
| Segmentation | Up to 5 conditions | Unlimited conditions |
| Best for | Small business, general email | Ecommerce, Shopify and WooCommerce |
How do the prices compare?
Both are free up to 250 contacts and 500 monthly sends. After that they diverge. Mailchimp is contact-metered across four tiers — Free, Essentials (from $13/mo), Standard (from $20/mo) and Premium (from $350/mo) — with monthly sends capped at 10x, 12x and 15x your contact count respectively, all verified on Mailchimp’s pricing page. Klaviyo’s email plan is priced per active profile and starts around $20/mo, but its free plan is unusually generous: as EmailTooltester’s Sarah Baxter and Inka Wibowo note, “On Klaviyo’s free plan, you can use all the email features available on the platform. Your only limit is send volume,” whereas with Mailchimp “you’re limited by send volume and many features are locked behind paid plans.”
The billing model itself is a real cost difference. Mailchimp charges per contact per audience, so the same person on two lists is billed twice; Klaviyo charges once per profile no matter how many segments they sit in. For anyone running overlapping lists, that alone can decide the bill.
Features and ease of use
Mailchimp wins on approachability. In EmailTooltester’s hands-on testing it took the editor and template rounds thanks to an intuitive dashboard, a Creative Assistant that pulls your brand colours and fonts from your website, and ready-made content blocks for video, surveys and product-review requests. Klaviyo, by contrast, is built for ecommerce depth: it connects tightly to Shopify and WooCommerce, offers predictive analytics, and — crucially — places no limit on segmentation conditions, so you can target tiny, highly specific groups. Mailchimp caps segments at five conditions. The trade-off is a steeper learning curve on Klaviyo and a blunter reviewer verdict on Mailchimp: “Everywhere I looked, features were locked behind paid plans on Mailchimp.”
For a wider field of options, see our Klaviyo alternatives and Mailchimp alternatives round-ups, or the deep dives on Bluey Email vs Klaviyo and Bluey Email vs Mailchimp.
Which should you choose?
Choose Mailchimp if you are a small or general business that wants to build a list, send a welcome series and a newsletter, and get going with the gentlest learning curve — EmailTooltester reaches the same conclusion. Choose Klaviyo if you run a growing ecommerce store on Shopify or WooCommerce and will actually use behavioural flows, predictive analytics and granular segmentation; for more on that, see email marketing for ecommerce and email segmentation.
There is a third pattern worth knowing about, because it is the one that catches people out on both platforms: paying more as your contact list grows even when your sending stays flat. Bluey Email is priced by sends, not contacts — its Grow plan is $30/mo for unlimited contacts — and it folds a CRM, landing pages and transactional email into one bill instead of billing marketing and other streams separately. If your list is large but your send volume is modest, that model is specifically where it beats a per-contact tool; if you need Klaviyo’s ecommerce prediction engine or Mailchimp’s brand recognition, those remain the better picks. Judge all three on the same list size and send volume before deciding.
Frequently asked questions
Is Klaviyo better than Mailchimp for ecommerce? For a scaling store, generally yes — Klaviyo’s ecommerce flows, predictive analytics and unlimited segmentation are built for it. For a small shop or a general business, Mailchimp is easier and cheaper to start.
Are Mailchimp and Klaviyo really both free? Yes, both offer a genuine free plan capped at 250 contacts and 500 sends per month. Klaviyo also includes $5 of SMS and unlocks all email features on the free tier; Mailchimp keeps more features for paid plans.
Why is Mailchimp sometimes more expensive than it looks? Because it charges per contact per audience. The same subscriber on two lists is counted twice, so overlapping audiences inflate the bill in a way Klaviyo’s per-profile model avoids.
Which has better deliverability? Both are reputable senders; deliverability depends far more on your own list hygiene and authentication (SPF, DKIM, DMARC) than on the choice between these two. See our deliverability guide.
References
- Sarah Baxter & Inka Wibowo, EmailTooltester — Klaviyo vs Mailchimp: https://www.emailtooltester.com/en/blog/klaviyo-vs-mailchimp/
- Mailchimp — Marketing pricing plans: https://mailchimp.com/pricing/marketing/
— Shivam