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Customer Support · head to head

Klaus vs lemlist

Klaus logo

Klaus

Customer Support

AI-powered quality management for support teams

From
$50/month
Free plan
No
Full reviewWebsite
lemlist logo

lemlist

CRM

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

From
$55/month
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: Klaus no longer available as standalone product after Zendesk acquisition; lemlist no standalone free plan, only a 14-day trial after which new campaigns cannot be launched without upgrading.
  • They diverge on capability: Klaus covers AI-powered QA, lemlist covers Multichannel sequences.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Klaus and lemlist actually diverge.

Attributes where Klaus and lemlist differ
AttributeKlauslemlist
Starting price$50/month$55/month
Pricing modelUnknownsubscription
PlatformsWebweb, api
CategoryCustomer SupportCRM
Founded20172018

Identical on both: free tier (No), user rating (Not yet rated).

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 Klaus

  • AI-powered QA
  • Conversation reviews
  • Scorecards
  • Coaching
  • Performance analytics
  • Calibration
  • Zendesk
  • Intercom

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.

Klaus

  • Quality assurancenot lemlist
  • Agent coachingnot lemlist
  • Performance trackingnot lemlist

lemlist

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

Where each one falls short

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

Klaus

  • No longer available as standalone product after Zendesk acquisition
  • Requires separate Zendesk subscription (not included in base plan)
  • Cannot be used with non-Zendesk help desk systems

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

Klaus

$50/month
  • Workforce Engagement Bundle$50/month
    • Includes Zendesk QA (formerly Klaus)
    • Requires base Zendesk Support or Suite plan
    • 100% conversation review with AI

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 Klaus if

  • You need ai-powered qa.
  • You also want conversation reviews.
Klaus review

Choose lemlist if

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

Questions people ask

Is Klaus or lemlist better?
Neither clearly leads. Klaus starts at $50/month and lemlist at $55/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Klaus or lemlist?
Klaus starts at $50/month and lemlist at $55/month.
Does Klaus or lemlist run on more platforms?
Klaus runs on Web. lemlist runs on web, api.
What is Klaus best used for?
Klaus is most often used for quality assurance, agent coaching, performance tracking. Of those, quality assurance and agent coaching are not what lemlist is typically brought in for.
What can Klaus do that lemlist cannot?
Klaus covers AI-powered QA, Conversation reviews, Scorecards, Coaching. lemlist covers Multichannel sequences, Lead database, Deliverability hub, AI agents.

Answered from the vendors’ own pages

Klaus: Is Klaus still available as a standalone product?

No. Klaus was acquired by Zendesk in February 2024 and is now integrated into Zendesk as Zendesk QA, requiring a paid Zendesk plan as the base.

Source
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
Klaus: What QA features does Klaus provide?

Klaus automatically reviews 100% of customer interactions using AI, provides immediate performance insights, reduces QA time by 80%, and improves CSAT scores through targeted coaching.

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
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
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