CRM & Sales · head to head
Seamless.AI vs lemlist

Seamless.AI
CRM & Sales
Sales lead search engine for finding contact and company data
- From
- Free
- Rated
- -

lemlist
CRM & Sales
Multichannel cold outreach platform for email, LinkedIn, SMS and calling
- From
- $55/month
- Rated
- -
The short version
- Only Seamless.AI has a free tier, so it costs nothing to try first.
- Each has a real cost: Seamless.AI pro and Enterprise pricing is not published and requires contacting sales.; lemlist no standalone free plan, only a 14-day trial after which new campaigns cannot be launched without upgrading.
- They diverge on capability: Seamless.AI covers Contact search, lemlist covers Multichannel sequences.
Where they differ
Only the attributes on which Seamless.AI and lemlist actually diverge.
| Attribute | Seamless.AI | lemlist |
|---|---|---|
| Starting price | Free | $55/month |
| Pricing model | freemium | subscription |
| Free tier | Yes | No |
| Founded | Unknown | 2018 |
Identical on both: platforms (web, api), user rating (Not yet rated), category (CRM & Sales).
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 Seamless.AI
- Contact search
- Real-time search engine
- Job change alerts
- Buyer intent data
- CRM and API integrations
- Enterprise security
Only in lemlist
- Multichannel sequences
- Lead database
- Deliverability hub
- AI agents
- CRM integrations
- API, CLI and MCP access
What people use each for
The jobs each tool is most often brought in to do.
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
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
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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.
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.
Pricing, plan by plan
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
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
Which should you pick?
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.
Choose lemlist if
- You need multichannel sequences.
- You work on web, api.
- You also want lead database.
Questions people ask
- Is Seamless.AI or lemlist better?
- Neither clearly leads. Seamless.AI starts at Free and lemlist at $55/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Seamless.AI or lemlist?
- Seamless.AI has a free tier; the other does not. Paid plans start at Free for Seamless.AI and $55/month for lemlist.
- Does Seamless.AI or lemlist 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 Seamless.AI best used for?
- Seamless.AI is most often used for b2b sales teams building prospecting lists, finding verified emails and phone numbers for outreach, tracking job changes among target contacts, identifying accounts showing buyer intent. Of those, b2b sales teams building prospecting lists and finding verified emails and phone numbers for outreach are not what lemlist is typically brought in for.
- What can Seamless.AI do that lemlist cannot?
- Seamless.AI covers Contact search, Real-time search engine, Job change alerts, Buyer intent data. lemlist covers Multichannel sequences, Lead database, Deliverability hub, AI agents.
Answered from the vendors’ own pages
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.
Sourcelemlist: 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.
SourceSeamless.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.
Sourcelemlist: 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.
SourceSeamless.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.
Sourcelemlist: 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.
SourceRelated pages
More on Seamless.AI
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