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CRM · head to head

lemlist vs Seamless.AI

lemlist logo

lemlist

CRM

Multichannel cold outreach platform for email, LinkedIn, SMS and calling

From
$55/month
Rated
-
Full reviewWebsite
Seamless.AI logo

Seamless.AI

CRM

Sales lead search engine for finding contact and company data

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Seamless.AI has a free tier, so it costs nothing to try first.
  • Each has a real cost: lemlist no standalone free plan, only a 14-day trial after which new campaigns cannot be launched without upgrading.; Seamless.AI pro and Enterprise pricing is not published and requires contacting sales.
  • They diverge on capability: lemlist covers Multichannel sequences, Seamless.AI covers Contact search.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which lemlist and Seamless.AI actually diverge.

Attributes where lemlist and Seamless.AI differ
AttributelemlistSeamless.AI
Starting price$55/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
Founded2018Unknown

Identical on both: platforms (web, api), user rating (Not yet rated), category (CRM).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in lemlist

  • Multichannel sequences
  • Lead database
  • Deliverability hub
  • AI agents
  • CRM integrations
  • API, CLI and MCP access

Only in Seamless.AI

  • Contact search
  • Real-time search engine
  • Job change alerts
  • Buyer intent data
  • CRM and API integrations
  • Enterprise security

What people use each for

The jobs each tool is most often brought in to do.

lemlist

  • Running multichannel outbound campaigns across email and LinkedInnot Seamless.AI
  • Finding verified emails and phone numbers for prospectsnot Seamless.AI
  • Protecting sender reputation with automated inbox warm-upnot Seamless.AI
  • Combining calling and messaging into a single outreach sequencenot Seamless.AI

Seamless.AI

  • B2B sales teams building prospecting listsnot lemlist
  • Finding verified emails and phone numbers for outreachnot lemlist
  • Tracking job changes among target contactsnot lemlist
  • Identifying accounts showing buyer intentnot lemlist

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

lemlist

  • No standalone free plan, only a 14-day trial after which new campaigns cannot be launched without upgrading.
  • Multichannel plan pricing scales per sender/user, which can get costly for larger teams.
  • Enterprise features like SSO/SAML require a custom-priced plan and a 5-user minimum.
  • Advanced AI agent capabilities are newer and less proven than long-established outreach features.

Seamless.AI

  • Pro and Enterprise pricing is not published and requires contacting sales.
  • Free plan is limited to just 50 credits and a single user.
  • Data accuracy for contact details can vary and requires verification before outreach.
  • Credit-based usage model means heavy prospecting can exhaust allotments quickly.

Pricing, plan by plan

lemlist

$55/month
  • Email$55/month
    • 50,000 emails/month
    • Unlimited users
    • Email and phone finder
  • Multichannel$87/month
    • Unlimited emails and messages
    • 5 senders per user
    • LinkedIn, SMS and WhatsApp automation
  • Enterprise$undefined/mo
    • 5+ users minimum
    • Dedicated account manager
    • SSO/SAML security

Seamless.AI

Free
  • FreeFree
    • 1 user
    • 50 credits
    • Email and cell phone search
  • Pro$undefined/mo
    • Per-user pricing
    • Unlimited exports
    • Annual credit packages
  • Enterprise$undefined/mo
    • Unlimited users
    • Custom credit allotments
    • Dedicated success manager

Which should you pick?

Choose lemlist if

  • You need multichannel sequences.
  • You work on web, api.
  • You also want lead database.
lemlist review

Choose Seamless.AI if

  • You need contact search.
  • You want to start without paying.
  • You work on web, api.
  • You also want real-time search engine.
Seamless.AI review

Questions people ask

Is lemlist or Seamless.AI better?
Neither clearly leads. lemlist starts at $55/month and Seamless.AI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, lemlist or Seamless.AI?
Seamless.AI has a free tier; the other does not. Paid plans start at $55/month for lemlist and Free for Seamless.AI.
Does lemlist or Seamless.AI run on more platforms?
Both run on web, api, so platform support will not decide this one for you.
Can I use Seamless.AI for free?
Yes. Seamless.AI has a free tier, so you can try it without paying. lemlist starts at $55/month.
What is lemlist best used for?
lemlist is most often used for running multichannel outbound campaigns across email and linkedin, finding verified emails and phone numbers for prospects, protecting sender reputation with automated inbox warm-up, combining calling and messaging into a single outreach sequence. Of those, running multichannel outbound campaigns across email and linkedin and finding verified emails and phone numbers for prospects are not what Seamless.AI is typically brought in for.
What can lemlist do that Seamless.AI cannot?
lemlist covers Multichannel sequences, Lead database, Deliverability hub, AI agents. Seamless.AI covers Contact search, Real-time search engine, Job change alerts, Buyer intent data.

Answered from the vendors’ own pages

lemlist: What does lemlist cost?

lemlist's Email plan starts at $55/month (billed annually) for 50,000 emails, the Multichannel plan starts at $87/month for unlimited emails and messages plus LinkedIn/SMS/WhatsApp, and Enterprise is custom-priced.

Source
Seamless.AI: Is there a free plan, and what are its limits?

Yes, the Free plan includes 1 user and 50 credits, with access to email and cell phone search, real-time search, and API access.

Source
lemlist: Is there a free plan, and what are its limits?

lemlist offers a 14-day free trial with full Multichannel plan access and no credit card required; after the trial, the account remains accessible but new campaigns cannot be launched without a paid subscription.

Source
Seamless.AI: How is usage metered on Seamless.AI?

Seamless.AI uses a credit system where credits are consumed to research contact details; paid Pro plans start with larger annual credit packages than the Free plan.

Source
lemlist: What does lemlist integrate with?

lemlist integrates with CRMs like HubSpot, Salesforce and Pipedrive, automation tools like Zapier, Make and n8n, VoIP platforms such as Aircall and Ringover, and offers API, CLI and MCP access.

Source
Seamless.AI: Does Seamless.AI have an API?

Yes, API access is included even on the Free plan, alongside export and integration capabilities on paid plans.

Source
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