Ecommerce

Email marketing for ecommerce: best platforms for small stores in 2026

Updated Data checked September 30 – October 5, 2026Compiled by the Which Email Tool editorial teamSources ↓

Best email marketing platforms for small ecommerce stores

Klaviyo and Omnisend are the strongest fit for a store that wants email driven by its own data. Both connect natively to Shopify and WooCommerce and ship a ready-made abandoned cart flow. Klaviyo goes deepest on store events and costs the most; Omnisend costs less and includes its pre-built store workflows on every plan. Mailchimp builds its own store integrations and costs less than both from 5,000 subscribers up. SendPulse costs less again at every list size here, and Brevo can for a list mailed rarely, but both connect to stores more thinly.

When AI assistants research this question, their searches name Mailchimp, Klaviyo and Omnisend most often, with Brevo and “affordable” or “cheap” close behind. This page compares those tools and adds SendPulse as a budget option, because it has the lowest list-size price here and no send cap, judged on the same data. Every price, limit and integration detail below comes from the vendors’ own pricing, help and integration pages, with the check date under each table. The cards follow how closely each tool works with store data, not price.

Klaviyo

Deepest store data, highest price here
At 1,000 subscribers
$30/moEmail
At 5,000 subscribers
$100/moEmail
Emails on Email
10× profiles per month
Free plan
250 contacts, 500 emails/month

Klaviyo is built around the customer profile of an online store. Its Shopify connection brings in more than orders: Klaviyo’s Shopify integration brings customer profile and order data into Klaviyo and tracks Added to Cart, Viewed Product and Active on Site events. After a store is connected, Klaviyo adds a pre-built abandoned cart flow to its flow library. For WooCommerce: Klaviyo connects to WooCommerce through its own extension, which logs Started Checkout and Placed Order events and syncs past order data.

The cost of that depth shows in the bill. Klaviyo is the most expensive of the four list-priced tools here at every list size, and its Email plan caps sends at 10× profiles per month. The free plan suits a store just starting out, with 250 contacts and 500 emails a month. Klaviyo’s site says it integrates with 350+ apps.

Strong points

  • Deep e-commerce data model and store integrations
  • Email and SMS in one customer profile

Limits

  • Among the highest prices here from 10,000 profiles up
  • Free plan is limited to 250 profiles and 500 emails a month

Klaviyo pricing page ↗

Omnisend

Store workflows on every plan, below Klaviyo on price
At 1,000 subscribers
$20/moStandard
At 5,000 subscribers
$81/moStandard
Emails on Standard
12× contacts per month
Free plan
250 contacts, 500 emails/month

Omnisend aims at the same stores as Klaviyo for less money. Omnisend lists Shopify, BigCommerce, WooCommerce and Wix among its native one-click store integrations. The plan comparison includes pre-built ecommerce workflows, such as cart abandonment, welcome series and post-purchase emails, on Free, Standard and Pro. That means a free account can already run a cart reminder, which is not the case on every tool here.

It costs less than Klaviyo at every size compared here and less than Mailchimp at 1,000 and 2,500 subscribers, though more than Mailchimp from 5,000 up. Standard caps sends at 12× contacts per month. Two limits matter for a growing store: Since May 4, 2026, Omnisend sells SMS only on its Pro plan, as a separate SMS credits subscription priced by country and volume; SMS is not available on Standard. Omnisend has no native WhatsApp channel; its help center points to third-party WhatsApp tools such as Chatarmin that sync contacts into Omnisend.

Strong points

  • E-commerce automation with email, SMS (on Pro) and web push
  • 24/7 support on every plan, including free

Limits

  • Free plan is limited to 250 contacts and 500 emails a month
  • No messenger chatbots listed
  • SMS needs the Pro plan and a separate SMS credits subscription

Omnisend pricing page ↗

Mailchimp

Familiar name, store links built by Mailchimp
At 1,000 subscribers
$26.50/moEssentials
At 5,000 subscribers
$75/moEssentials
Emails on Essentials
10× contacts per month
Free plan
250 contacts, 500 emails/month

Mailchimp builds both of its store connections itself. Shopify: Mailchimp’s own Shopify integration syncs store data and triggers automations such as welcome, abandoned cart and back-in-stock emails. WooCommerce: Mailchimp builds its own free WooCommerce integration that brings store data into Mailchimp.

The plan you pick decides how far the automation goes. Automation is the main difference between the plans besides price: flows of up to 4 steps on Essentials, up to 200 flows on Standard and Premium, none on Free. Essentials sits second of the four list-priced tools here from 5,000 subscribers up and third at 1,000 and 2,500. Read the billing rules before comparing: Subscribed, unsubscribed and non-subscribed contacts all count toward the contact limit; archived, cleaned and deleted contacts do not. From the 10,000-contact tier up, the pricing page leads with a 15% discount for the first 12 months: $93.50 on Essentials and $114.75 on Standard at 10,000 contacts.

Strong points

  • Large directory of third-party integrations
  • Pay-as-you-go email credits are available

Limits

  • Free plan is capped at 250 contacts and 500 emails a month
  • Essentials limits sends to 10× your contact count

Mailchimp pricing page ↗

SendPulse

Budget option: lowest list price here, no send cap
At 1,000 subscribers
$18/moStandard
At 5,000 subscribers
$52/moStandard
Emails on Standard
unlimited emails
Free plan
500 contacts, 15,000 emails/month

SendPulse is not the first pick for a store that lives on product and cart data, but it is the lowest-priced list plan here at every list size compared, and Standard has no monthly send cap. Automation 360 can start a flow from an Abandoned cart event.

Its store connections are thinner than Klaviyo’s or Omnisend’s. WooCommerce: SendPulse’s WooCommerce plugin adds customers’ email addresses to a SendPulse mailing list when an order is created, processed or completed. Shopify: SendPulse’s Shopify integration page describes a connection through Zapier that subscribes a customer after a new paid order. That moves buyers onto a list but does not feed a product catalogue or browsing events into the account the way Klaviyo’s integration does. Standard includes static segmentation; dynamic segmentation with saved segments starts on Pro.

Where it adds something Klaviyo, Omnisend and Mailchimp do not list: chatbot builders for WhatsApp, Telegram, Instagram and Messenger in the same account as email, next to SMS billed per message. Chatbots have a free allowance of 3 chatbots, 500 chatbot subscribers and 10,000 messages a month.

Strong points

  • Email, SMS and chatbots for WhatsApp, Telegram, Instagram and Messenger run from one account
  • Standard plan includes unlimited emails at every list size
  • Separate free tiers for SMTP, chatbots and the course builder

Limits

  • Free plan stops at 500 subscribers and keeps SendPulse branding in emails
  • Pay-as-you-go email credits expire after 12 months
  • SMS is billed per message on top of the plan; none is bundled
  • Chatbots beyond the free allowance are a separate paid plan
  • A dedicated IP is listed only for the SMTP Pro and Enterprise plans

SendPulse pricing page ↗

Brevo

Priced by emails sent, not list size
Priced by
Emails sentnot by list size
5,000 emails a month
$18/moStandard
20,000 emails a month
$69/moStandard
Free plan
100,000 contacts, 300 emails/day

Brevo has no row in the list-size price table because its bill follows emails sent. This page compares its Standard plan and shows the cheaper Starter plan beside it. A list of 10,000 mailed twice a month is 20,000 emails: $69 on Standard ($32 on Starter), less than any of the four list-priced plans at 10,000 subscribers.

For stores: Brevo’s Shopify app syncs customer data, purchase history and order status. Brevo’s WooCommerce plugin syncs WooCommerce order data. Brevo can send abandoned cart emails, using its tracker to detect when a contact leaves a cart. Over Starter, Brevo’s Standard plan adds automation for unlimited contacts, A/B testing, send-time optimization, one landing page and removal of the Brevo logo.

Strong points

  • Priced by emails sent, which suits lists that are mailed rarely
  • Prepaid email credits never expire
  • Transactional email and SMTP included on every plan

Limits

  • The 100,000-contact storage belongs to the free plan; the smallest paid tiers store far fewer contacts
  • Free plan sends only 300 emails a day
  • The bill rises with every extra send, so it cannot be compared with per-subscriber plans without knowing how often you mail
  • Telegram is not listed; WhatsApp sits on the Professional plan

Brevo pricing page ↗

Not compared here: Shopify Email, Drip and MailerLite also come up in these searches; this page sticks to the four tools that come up most often for a small store plus SendPulse.

Klaviyo, Omnisend and Mailchimp compared

Klaviyo and Omnisend are store-first tools: both connect natively to Shopify and WooCommerce and come with ready-made cart flows. Mailchimp is a general email tool with store integrations it builds itself. On price at 5,000 subscribers, Mailchimp is the lowest of the three, then Omnisend, then Klaviyo. All three cap monthly sends, and none of them lists Telegram.

Cheapest paid plan of each tool, regular price per month with monthly billing. The lowest price in each row is marked. Checked on official pricing pages, September 30, 2026.
List sizeKlaviyoEmailOmnisendStandardMailchimpEssentials
500 subscribers$20 $16 $13
1,000 subscribers$30 $20 $26.50
2,500 subscribers$60 $44 $45
5,000 subscribers$100 $81 $75
10,000 subscribers$150 $132 $110
25,000 subscribers$400 $282 $270
50,000 subscribers$720 $413 $385
Emails included10× profiles per month12× contacts per month10× contacts per month
“Not listed” means the vendor’s official pricing or feature page does not mention it. Checked September 29 – October 8, 2026.
ToolSMSWhatsAppTelegramInstagramMessengerPay-as-you-go emailCourse builderFree SMTP tier
KlaviyoYesprepaid mobile messages, per-message ratesYesper-message rates from mobile messaging; no marketing messages to US numbersNot listedYesDM keyword auto-replies for list growth; DMs in HelpdeskNot listedNot listedNot listedNot listednot listed on the pricing page
OmnisendAdd-onPro plan only, as a separate SMS credits subscription; not on StandardNot listedonly through third-party integrationsNot listedNot listedad-audience sync onlyNot listedad-audience sync onlyNot listedNot listedNot listed
MailchimpYespaid plans, select marketsNot listedNot listedNot confirmedNot confirmedYesemail credits instead of a plan; credit prices are not on the pricing pageNot listed—transactional email is a paid add-on to Standard and Premium; up to 500 free sends for new users
SendPulseYespay per message, no plan; 10 free test SMSYeschatbots; official WhatsApp Business Solution ProviderYeschatbotsYeschatbotsYeschatbotsYes$48 per 10,000 emails at Standard features; credits valid 12 monthsYescourse builder; free tier: 1 course, up to 200 students12,000 emails/month50 messages/hour, 2 sending domains
BrevoYesprepaid SMS creditsAdd-oncampaigns on the Professional plan, prepaid creditsNot listedAdd-oninbox conversations with the paid Sales Essentials packageAdd-oninbox conversations with the paid Sales Essentials packageYesprepaid email credits with no expiration date; 5,000 emails = $32Not listedInside the free plantransactional email and SMTP on every plan; on Free it shares the 300 emails/day limit

On channels, Klaviyo lists SMS and WhatsApp next to email, both billed per message. Klaviyo’s WhatsApp page says Meta does not currently support WhatsApp marketing messages to US phone numbers. Omnisend keeps SMS for its Pro plan, and Mailchimp sells it as an add-on in select countries.

Affordable options for a small online shop

If a cart flow and order sync are enough, a small shop does not need the most expensive tool. Of the four list-priced tools here, SendPulse Standard is the lowest at every list size and has no send cap; Omnisend is the cheapest of the three store-first and general tools at 1,000 and 2,500 subscribers, Mailchimp from 5,000 up. Brevo can cost less again for a list mailed rarely.

Monthly price at 5,000 subscribers
  1. SendPulse$52
  2. Mailchimp$7510× contacts per month
  3. Omnisend$8112× contacts per month
  4. Klaviyo$10010× profiles per month

Cheapest paid plan, monthly billing, US dollars. Highlighted: the lowest price with unlimited emails. Brevo is priced by emails sent, not by list size, and is not ranked here. Checked on official pricing pages, September 30 – October 5, 2026.

At 1,000 subscribers the order is SendPulse, Omnisend, Mailchimp, Klaviyo; at 10,000 it is SendPulse, Mailchimp, Omnisend, Klaviyo.

A low list price is not the whole cost for a store. Klaviyo, Omnisend and Mailchimp cap monthly sends, so a shop that mails its list several times a week can outgrow the cap before it outgrows the list. Mailchimp: On paid plans, going over the contact limit or the send limit does not interrupt sending; an additional charge appears on the monthly bill.

Pricing compared by list size

At 5,000 subscribers the four list-priced tools range from $52 to $100 a month on month-to-month billing. SendPulse is lowest and Klaviyo highest at every size in the table; Omnisend and Mailchimp swap places at 5,000 subscribers.

Cheapest paid plan of each tool, regular price per month with monthly billing. Sorted by price at 10,000 subscribers, the largest size shown; the lowest price in each column is marked. Checked on official pricing pages, September 30 – October 5, 2026.
ToolPlanPrice at 1,000 subscribersPrice at 5,000 subscribersPrice at 10,000 subscribersEmails includedFree plan
SendPulseStandard$18 $52 $78 unlimited emails500 contacts, 15,000 emails/month
MailchimpEssentials$26.50 $75 $110 10× contacts per month250 contacts, 500 emails/month
OmnisendStandard$20 $81 $132 12× contacts per month250 contacts, 500 emails/month
KlaviyoDeepest store dataEmail$30 $100 $150 10× profiles per month250 contacts, 500 emails/month

Brevo is priced by emails sent, so it has no single price at a list size and is not ranked above. We compare its Standard plan. Starter costs less at the same volume but stops at 100,000 emails a month, limits automation to 2,000 contacts and keeps the Brevo logo unless you pay to remove it. The tier is set by emails sent and by stored contacts: the three smallest tiers hold 500, 1,500 and 2,500 contacts, and every tier from 20,000 emails up holds 500,000. Standard stops at 500,000 emails a month. Your tier is the first one that covers both the emails you send in a month and the size of your list.

Brevo, price per month, monthly billing; contact allowances as printed on its pricing page. Checked September 30, 2026.
Emails per monthStandardStarterContacts included
5,000$18$9500
10,000$35$171,500
15,000$49$252,500
20,000$69$32500,000
30,000$79$39500,000
40,000$89$46500,000
50,000$97$56500,000
60,000$104$65500,000
80,000$119$74500,000
100,000$139$82500,000
150,000$179—500,000
250,000$249—500,000
350,000$309—500,000
500,000$429—500,000
Notes on these prices (1)
  • Mailchimp. These are regular prices. The 1,000 row uses the 501–1,500 tier, so a list of up to 1,500 pays that price.

Free plans are small for the store-first tools here. Brevo’s stores the most contacts, 100,000 contacts, and SendPulse’s the second most, 500 contacts. Klaviyo, Omnisend and Mailchimp each stop at a few hundred.

Free plan limits as published by each vendor, sorted by emails a month. Checked September 30, 2026.
ToolSubscriber limitEmailsVendor branding in emailsNotes
SendPulse50015,000 / monthYes5 automation flows, 3 sender addresses
Brevo100,000300 / dayYesunused daily sends do not roll over
Klaviyo250500 / monthYes250 active profiles; includes $5 of mobile messages a month
Mailchimp250500 / monthYesalso capped at 250 sends a day
Omnisend250500 / monthYes

Shopify and WooCommerce: what connects to what

All five tools list a Shopify and a WooCommerce connection on their official pages, but they do different jobs. Klaviyo, Omnisend and Mailchimp sync store data and run cart automations from it. Brevo syncs customers and orders. SendPulse’s WooCommerce plugin adds buyers to a list, and its Shopify connection runs through Zapier.

  • Klaviyo. Klaviyo’s Shopify integration brings customer profile and order data into Klaviyo and tracks Added to Cart, Viewed Product and Active on Site events. Klaviyo connects to WooCommerce through its own extension, which logs Started Checkout and Placed Order events and syncs past order data.
  • Omnisend. Omnisend lists Shopify, BigCommerce, WooCommerce and Wix among its native one-click store integrations. Omnisend’s pricing page mentions 305+ pre-built integrations.
  • Mailchimp. Mailchimp’s own Shopify integration syncs store data and triggers automations such as welcome, abandoned cart and back-in-stock emails. Mailchimp builds its own free WooCommerce integration that brings store data into Mailchimp.
  • Brevo. Brevo’s Shopify app syncs customer data, purchase history and order status. Brevo’s WooCommerce plugin syncs WooCommerce order data.
  • SendPulse. SendPulse’s WooCommerce plugin adds customers’ email addresses to a SendPulse mailing list when an order is created, processed or completed. SendPulse’s Shopify integration page describes a connection through Zapier that subscribes a customer after a new paid order.

For a cart reminder that knows which product was left behind, the store-first tools need the least setup. With SendPulse or Brevo the flow is there, but the cart events have to reach the account through their tracking or integration first.

Which one to choose

Choose by how much of your email runs on store data. If product views, carts and orders drive most of your revenue, Klaviyo or Omnisend, with Omnisend the lower bill. If an app you rely on connects only to Mailchimp, stay there. If price matters most and a simple cart flow is enough, SendPulse is the lowest list price here; Brevo suits a large list mailed rarely.

  • KlaviyoYour store runs on Shopify, flows built on product views, carts and orders drive revenue, and you accept the highest price here for that.
  • OmnisendYou want native Shopify, WooCommerce, BigCommerce or Wix sync and ready-made cart flows, even on the free plan, at less than Klaviyo.
  • MailchimpYou already use Mailchimp or an app that connects only to it, and you can live with send caps and contact-counting rules.
  • SendPulsePrice comes first, you mail the list often and want no send cap, or you also sell through WhatsApp, Telegram or Instagram chats.
  • BrevoYou have a large list that you mail once or twice a month, so paying by emails sent costs less than paying by list size.

Frequently asked questions

What is the best email marketing platform for a small online store?

For a Shopify or WooCommerce store that wants flows built on order and browsing data, Klaviyo or Omnisend. Both connect to the store natively and come with abandoned cart flows. Omnisend costs less than Klaviyo at every list size compared here: $81 against $100 a month at 5,000 subscribers. If the bill matters more than store data, SendPulse Standard is the lowest of the four list-priced tools here, at $52.

Is Klaviyo worth the price for a small shop?

It can be, if your revenue depends on flows driven by store events such as viewed products, added-to-cart and placed orders, which Klaviyo tracks from Shopify. On price alone it is the most expensive of the four list-priced tools here at every size, $30 a month at 1,000 subscribers and $150 at 10,000, and it caps sends at 10× profiles per month. Its free plan covers 250 contacts and 500 emails a month.

What is the cheapest email marketing tool for ecommerce?

Of the four tools here priced by list size, SendPulse Standard is the lowest at every list size compared here, for example $18 at 1,000 and $78 at 10,000, and it has no send cap. Brevo charges by emails sent instead: a list of 10,000 mailed twice a month fits its 20,000-email Standard tier at $69 (Starter: $32), less than any list-priced plan here at that size.

Which email tools work with WooCommerce?

All five tools here have a WooCommerce connection on their official pages. Klaviyo uses its own extension that logs checkouts and orders. Omnisend lists WooCommerce among its one-click integrations. Mailchimp builds a free WooCommerce integration. Brevo has a plugin that syncs order data. SendPulse’s plugin adds customers to a mailing list when an order is created, processed or completed.

Do I need SMS as well as email for an online store?

Not to start. Email carries cart reminders, order updates and promotions. SMS helps with short, urgent messages such as shipping or flash-sale notices. Klaviyo bills SMS per message from prepaid mobile messaging. Omnisend sells SMS only on its Pro plan. Brevo and SendPulse sell SMS per message on top of any plan, and Mailchimp offers SMS as an add-on in select countries.

Sources

Every price and limit on this page comes from the vendor’s own public pages. How we choose and check.

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