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CRM · head to head

Mixmax vs Seamless.AI

Mixmax logo

Mixmax

CRM

Email productivity and sales engagement platform

From
Free
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

  • Each has a real cost: Mixmax free plan severely limits email tracking to 20 emails per month; Seamless.AI pro and Enterprise pricing is not published and requires contacting sales.
  • They diverge on capability: Mixmax covers Email tracking, Seamless.AI covers Contact search.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Mixmax and Seamless.AI differ
AttributeMixmaxSeamless.AI
Pricing modelsubscriptionfreemium
PlatformsWeb, Gmailweb, api
Founded2014Unknown

Identical on both: starting price (Free), free tier (Yes), 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 Mixmax

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

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.

Mixmax

  • Email outreachnot Seamless.AI
  • Meeting schedulingnot Seamless.AI
  • Follow-up automationnot Seamless.AI
  • Sales trackingnot Seamless.AI

Seamless.AI

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

Where each one falls short

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

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

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

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

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 Mixmax if

  • You need email tracking.
  • You want to start without paying.
  • You work on Web, Gmail.
  • You also want meeting scheduling.
Mixmax 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 Mixmax or Seamless.AI better?
Neither clearly leads. Mixmax starts at Free and Seamless.AI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mixmax or Seamless.AI?
Mixmax starts at Free and Seamless.AI at Free.
Does Mixmax or Seamless.AI run on more platforms?
Mixmax runs on Web, Gmail. Seamless.AI runs on web, api.
Can I use Mixmax for free?
Both have a free tier, so you can try either at no cost before committing.
What is Mixmax best used for?
Mixmax is most often used for email outreach, meeting scheduling, follow-up automation, sales tracking. Of those, email outreach and meeting scheduling are not what Seamless.AI is typically brought in for.
What can Mixmax do that Seamless.AI cannot?
Mixmax covers Email tracking, Meeting scheduling, Email sequences, Templates. Seamless.AI covers Contact search, Real-time search engine, Job change alerts, Buyer intent data.

Answered from the vendors’ own pages

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
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
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
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
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
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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