Comparison

Autoklose vs Omnisend in 2026: B2B cold outreach database vs eCommerce email and SMS automation

Autoklose sells sales teams a database of B2B prospects to cold email. Omnisend sells online stores a free-to-start email and SMS platform for the customers who already bought something, with flat pricing and free migration off Klaviyo or Mailchimp.

Updated July 4, 2026
Autoklose
Omnisend
Key takeaways
  • Omnisend publishes exact pricing from $0 to $41.30/month for its Pro tier; Autoklose lists every tier as contact for pricing.
  • Omnisend offers free migration of contacts, segments, templates, and workflows from Klaviyo or Mailchimp; Autoklose has no documented migration service.
  • Autoklose includes a built-in B2B prospecting database; Omnisend has no prospecting feature at all, since it only emails your existing customers.
  • Omnisend combines email and SMS in a single automated workflow, with SMS billed separately starting at $0.007 per message; Autoklose has no SMS channel.
  • Omnisend supports an MCP integration letting AI tools connect directly to campaign and workflow management; Autoklose has no comparable AI-agent integration.
  • Omnisend's free plan covers 500 emails per month with core automation features included; Autoklose has no published free tier.
  • Omnisend is used by over 150,000 eCommerce brands; Autoklose's customer base is oriented around VanillaSoft and small B2B sales teams rather than online retail.

Autoklose and Omnisend both automate sending at scale, but they were built for opposite commercial motions. Autoklose bundles a filterable B2B contact database with email sequencing for sales teams contacting people who are not customers yet, priced entirely through a sales conversation. Omnisend is narrowly built for eCommerce: abandoned cart recovery, post-purchase flows, and win-back campaigns across email and SMS for over 150,000 online stores, with a genuine free plan, flat-rate pricing that does not creep up as your list grows, and free migration handled by their team if you are switching from Klaviyo or Mailchimp. One tool finds new prospects to sell to; the other keeps existing customers buying again.

The tools at a glance

ToolStarting priceBest for
AutokloseContact for pricingB2B sales teams prospecting new contacts who need a database and sequencer bundled together, not an eCommerce retention platform.
Omnisend$0/moeCommerce stores wanting email and SMS retention automation with a real free tier, flat-rate pricing, and free migration off Klaviyo or Mailchimp.

Autoklose

Email automation platform with a built-in B2B lead database, letting sales teams reach thousands of prospects from a single tool.

Full review →
Autoklose screenshot

Autoklose is aimed at a sales rep who needs to find B2B prospects and reach them without buying data separately. Filter the built-in database by industry, company size, job title, and location, load the results into a sequence, and automated follow-ups run with reply detection pausing the cadence. There is no eCommerce concept anywhere in the product, no cart, no order history, because it is not solving that problem.

Campaign reporting stays close to sales metrics, open, reply, and click-through rate by sequence step, and team collaboration unlocks at the Small Business tier so managers can see rep activity without duplicated outreach to the same contact. Being part of VanillaSoft ties it into a broader sales engagement platform for teams that already run their sales process there.

None of Omnisend's eCommerce logic exists here: no abandoned cart trigger, no purchase-based segmentation, no SMS, and no published pricing. Autoklose was never built to sell to a store's existing customers, and comparing it to Omnisend only makes sense if you are trying to figure out whether your problem is prospecting or retention.

Pricing
Feature
Starter
Contact for pricing
Small Business
Contact for pricing
Enterprise
Contact for pricing
Email sequence automation
Built-in lead database
Campaign reporting
Team collaboration
CRM integrations
Dedicated support
Best for: B2B sales teams prospecting new contacts who need a database and sequencer bundled together, not an eCommerce retention platform.

Omnisend

Email and SMS automation for eCommerce with a free tier, flat-rate pricing, and free migration from other platforms.

Full review →
Omnisend screenshot

Omnisend is scoped entirely around the eCommerce lifecycle. Pre-built workflows cover welcome series, abandoned cart recovery, browse abandonment, post-purchase follow-up, and win-back campaigns, and automations can mix email with SMS in a single sequence, so a cart recovery flow might open with an email and follow with a text if the email goes unread. AI assists with copy generation, send-time optimization, and segmentation across the more than 150,000 stores using the platform.

The pricing structure is the other half of the pitch: a free plan for stores just starting out, flat-rate tiers that scale gently rather than creeping up the way some competitors' pricing does as a list grows, and free migration handled by Omnisend's own team for stores switching off Klaviyo, Mailchimp, or another platform. A newer MCP integration lets AI tools connect directly into campaign and workflow management, useful for teams building AI-assisted marketing operations.

The narrowness that makes Omnisend strong for eCommerce is also its limit outside that vertical: reporting and analytics are functional but not as deep as enterprise competitors, A/B testing is more limited than platforms offering multivariate testing with statistical significance, and SMS is billed separately from the base plan starting at $0.007 per message, which needs its own cost modeling for SMS-heavy campaigns.

Pricing
Feature
Free
$0/mo
Standard
From $11.20/mo
Pro
From $41.30/mo
Custom
Contact
Emails per Month500Scaled to listUnlimitedUnlimited
SMS Campaigns
Automation Workflows
A/B Testing
Advanced Segmentation
Omnisend branding removed
Free Migration
Best for: eCommerce stores wanting email and SMS retention automation with a real free tier, flat-rate pricing, and free migration off Klaviyo or Mailchimp.

Head-to-head feature comparison

Feature
Autoklose
Omnisend
Built-in prospecting databaseYes, B2B database filterable by industry, size, title, locationNo, only emails and texts your existing customer list
Target audienceCold B2B prospects who have not opted ineCommerce shoppers and existing customers
eCommerce-specific automation (cart, purchase-based flows)No, not applicable to its use caseYes, abandoned cart, post-purchase, win-back workflows built in
SMS channelNoYes, billed separately from $0.007/message
AI content assistanceNot offeredYes, copy generation, send-time optimization, segmentation
MCP / AI-agent integrationNoYes, connects AI tools directly to campaign management
Free migration serviceNo documented migration serviceYes, free migration from Klaviyo, Mailchimp, and others
Free tierNo published free tierYes, 500 emails/month with core features included
Team collaborationYes, from Small Business tier upNot a core documented feature; built for solo or small marketing teams
Starting priceContact for pricing$0/month

Which should you choose?

B2B sales teams prospecting contacts who have not bought anything yetAutoklose
eCommerce stores automating abandoned cart and post-purchase flowsOmnisend
Stores currently on Klaviyo or Mailchimp wanting a lower-cost switchOmnisend
Teams needing SMS combined with email in the same automated sequenceOmnisend
Sales teams already using VanillaSoft for their broader sales stackAutoklose
New online stores wanting to start on a genuine free planOmnisend
Teams that want AI tools to connect directly into campaign workflowsOmnisend

These two barely overlap in practice. Omnisend has built everything around the eCommerce purchase cycle, cart recovery, post-purchase nurture, win-back, with pricing and a migration offer designed to make switching from a competitor painless. Autoklose has built everything around finding and contacting B2B prospects who are not customers at all. An online store evaluating Autoklose is almost certainly solving the wrong problem with it, and a B2B sales team evaluating Omnisend will find no prospecting capability whatsoever.

Bottom line

Run an online store selling to consumers who already buy from you. Use Omnisend, take advantage of the free tier and free migration if you are coming from Klaviyo or Mailchimp. Run B2B outbound sales contacting people who have never bought anything. Use Autoklose for the database and sequencing. Neither tool is a reasonable substitute for the other, and the honest answer to "which is better" depends entirely on which side of the transaction your business sits on.

Frequently asked questions

Can Omnisend be used for B2B cold outreach like Autoklose?

No, Omnisend has no prospecting database or cold outreach capability; it is built to automate email and SMS to customers a store already has, not to find new B2B contacts. Autoklose is purpose-built for that prospecting job with its own bundled database.

Does Autoklose offer a free plan like Omnisend does?

No, Autoklose does not publish a free tier at any level, with all three plans listed as contact for pricing. Omnisend's free plan covers 500 emails per month with core automation features included and no cost to start.

Is Omnisend worth switching to from Mailchimp for an eCommerce store?

It is worth evaluating, especially given Omnisend's free migration service, which transfers contacts, segments, templates, and workflows from Mailchimp at no extra charge, and its flat-rate pricing that tends to scale more gently than list-size-based competitors. The right answer still depends on how deep your current Mailchimp automations are and whether Omnisend's eCommerce-specific workflows cover what you actually use.

Does Autoklose support SMS marketing the way Omnisend does?

No, Autoklose has no SMS channel; its automation is limited to email sequences only. Omnisend combines email and SMS in a single workflow, with SMS billed separately starting at $0.007 per message.

Which tool is better for a B2B company that also runs an online store?

Most B2B companies with an eCommerce component need both, not one instead of the other: Autoklose or a similar tool for prospecting new B2B accounts, and Omnisend for automating email and SMS to customers who have already purchased. Trying to force one tool to cover both roles will leave a real gap on one side.

What does Omnisend's MCP integration actually let you do?

Omnisend's MCP support lets AI tools connect directly to your account to automate campaign creation and workflow management tasks without manual interaction with the interface. Autoklose has no comparable MCP or AI-agent integration documented.

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