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Customer Support · head to head

Klaus vs Mixmax

Klaus logo

Klaus

Customer Support

AI-powered quality management for support teams

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

Mixmax

CRM

Email productivity and sales engagement platform

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Mixmax has a free tier, so it costs nothing to try first.
  • Each has a real cost: Klaus no longer available as standalone product after Zendesk acquisition; Mixmax free plan severely limits email tracking to 20 emails per month
  • They diverge on capability: Klaus covers AI-powered QA, Mixmax covers Email tracking.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Klaus and Mixmax actually diverge.

Attributes where Klaus and Mixmax differ
AttributeKlausMixmax
Starting price$50/monthFree
Pricing modelUnknownsubscription
Free tierNoYes
PlatformsWebWeb, Gmail
CategoryCustomer SupportCRM
Founded20172014

Identical on both: 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 Mixmax

  • Email tracking
  • Meeting scheduling
  • Email sequences
  • Templates
  • Mail merge
  • Gmail
  • HubSpot
  • Pipedrive

Both cover

  • Salesforce
  • Web support

What people use each for

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

Klaus

  • Quality assurancenot Mixmax
  • Agent coachingnot Mixmax
  • Performance trackingnot Mixmax

Mixmax

  • Email outreachnot Klaus
  • Meeting schedulingnot Klaus
  • Follow-up automationnot Klaus
  • Sales trackingnot 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

Mixmax

  • Free plan severely limits email tracking to 20 emails per month
  • Download tracking in Outlook only works through web app, not desktop
  • Tracking indicators not supported for Outlook desktop users
  • Limited integration with email clients beyond Gmail

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

Mixmax

Free
  • FreeFree
    • Email tracking (100/mo)
    • Basic scheduling
    • Email templates
  • SMB$34/month
    • Unlimited tracking
    • Sequences
    • Mail merge
  • Growth$65/month
    • All SMB features
    • Automation rules
    • Dialer
  • EnterpriseFree
    • All Growth features
    • Admin controls
    • SSO

Which should you pick?

Choose Klaus if

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

Choose Mixmax if

  • You need email tracking.
  • You want to start without paying.
  • You work on Web, Gmail.
  • You also want meeting scheduling.
Mixmax review

Questions people ask

Is Klaus or Mixmax better?
Neither clearly leads. Klaus starts at $50/month and Mixmax at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Klaus or Mixmax?
Mixmax has a free tier; the other does not. Paid plans start at $50/month for Klaus and Free for Mixmax.
Does Klaus or Mixmax run on more platforms?
Klaus runs on Web. Mixmax runs on Web, Gmail.
Can I use Mixmax for free?
Yes. Mixmax has a free tier, so you can try it without paying. Klaus starts at $50/month.
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 Mixmax is typically brought in for.
What can Klaus do that Mixmax cannot?
Klaus covers AI-powered QA, Conversation reviews, Scorecards, Coaching. Mixmax covers Email tracking, Meeting scheduling, Email sequences, Templates. Both handle Salesforce, Web support.

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
Mixmax: Does Mixmax integrate with Gmail?

Yes. Mixmax is a Chrome extension that integrates directly with Gmail and Google Workspace. It adds email tracking, templates, meeting scheduling, and workflow automation features directly into Gmail.

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
Mixmax: What email tracking does Mixmax provide?

Mixmax tracks email opens, clicks, and downloads in real time. The free plan includes tracking for up to 20 emails per month, while paid plans offer unlimited tracking across all emails.

Source
Mixmax: What does Mixmax cost?

Mixmax offers a free plan with limited tracking (20 emails/month) and basic features. Paid plans include Inbox Copilot, Engagement Copilot, and Mixmax Suite with unlimited tracking and advanced automation.

Source
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