Softwr

Cybersecurity · head to head

Clerk vs Mark43

Clerk logo

Clerk

Cybersecurity

Drop-in user authentication and management for developers

From
Free
Free plan
Yes
Full reviewWebsite
Mark43 logo

Mark43

Government

Modern Public Safety Software

From
$2000/month
Free plan
No
Full reviewWebsite

The short version

  • Only Clerk has a free tier, so it costs nothing to try first.
  • Each has a real cost: Clerk pricing scales with monthly retained users, which can grow expensive quickly for consumer apps with large user bases.; Mark43 no published pricing on homepage; sales contact required for all cost details
  • They diverge on capability: Clerk covers Prebuilt UI components, Mark43 covers Computer-Aided Dispatch.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Clerk and Mark43 actually diverge.

Attributes where Clerk and Mark43 differ
AttributeClerkMark43
Starting priceFree$2000/month
Pricing modelfreemiumsubscription
Free tierYesNo
Platformsweb, ios, android, apiWeb, Ios, Android
CategoryCybersecurityGovernment
FoundedUnknown2012

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 Clerk

  • Prebuilt UI components
  • Organization management
  • Multi-factor authentication
  • Social sign-on
  • Billing
  • Enterprise connections

Only in Mark43

  • Computer-Aided Dispatch
  • Records Management
  • Evidence Management
  • Analytics
  • Mobile
  • FBI CJIS
  • NCIC
  • State Systems

What people use each for

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

Clerk

  • Adding sign-in and user profiles to a web or mobile app quicklynot Mark43
  • B2B SaaS apps needing organizations and role-based accessnot Mark43
  • Startups wanting prebuilt UI instead of building auth in-housenot Mark43
  • Apps needing MFA and fraud detection out of the boxnot Mark43

Mark43

  • Citizen Servicesnot Clerk
  • Records Managementnot Clerk
  • Public Safetynot Clerk
  • Civic Engagementnot Clerk

Where each one falls short

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

Clerk

  • Pricing scales with monthly retained users, which can grow expensive quickly for consumer apps with large user bases.
  • Enterprise SSO connections beyond the first are billed as add-ons, adding cost for larger organizations.
  • The Business tier's extra dashboard seats cost $20/month each, which adds up for larger teams.
  • Enterprise-tier features like the 99.99% uptime SLA require annual contracts rather than flexible monthly billing.

Mark43

  • No published pricing on homepage; sales contact required for all cost details
  • Only reference to pricing is 'early bird pricing' for 2027 conference registration
  • No transparent pricing structure visible for public evaluation

Pricing, plan by plan

Clerk

Free
  • HobbyFree
    • 50,000 MRU limit per app
    • Up to 3 dashboard seats
    • Unlimited applications
  • Pro$25/month
    • 50,000 MRUs included, $0.02/MRU overage
    • Up to 3 dashboard seats
    • 1 Enterprise Connection included
  • Business$300/month
    • 50,000 MRUs included with volume pricing
    • 10 dashboard seats included
    • SOC2 report and priority support
  • Enterprise$undefined/month
    • Custom pricing, annual billing
    • 99.99% uptime SLA
    • HIPAA available, dedicated Slack channel

Mark43

$2000/month
  • Public Safety Suite$2000/month
    • CAD
    • RMS
    • Analytics

Which should you pick?

Choose Clerk if

  • You need prebuilt ui components.
  • You want to start without paying.
  • You work on web, ios, android, api.
  • You also want organization management.
Clerk review

Choose Mark43 if

  • You need computer-aided dispatch.
  • You work on Web, Ios, Android.
  • You also want records management.
Mark43 review

Questions people ask

Is Clerk or Mark43 better?
Neither clearly leads. Clerk starts at Free and Mark43 at $2000/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Clerk or Mark43?
Clerk has a free tier; the other does not. Paid plans start at Free for Clerk and $2000/month for Mark43.
Does Clerk or Mark43 run on more platforms?
Clerk runs on web, ios, android, api. Mark43 runs on Web, Ios, Android.
Can I use Clerk for free?
Yes. Clerk has a free tier, so you can try it without paying. Mark43 starts at $2000/month.
What is Clerk best used for?
Clerk is most often used for adding sign-in and user profiles to a web or mobile app quickly, b2b saas apps needing organizations and role-based access, startups wanting prebuilt ui instead of building auth in-house, apps needing mfa and fraud detection out of the box. Of those, adding sign-in and user profiles to a web or mobile app quickly and b2b saas apps needing organizations and role-based access are not what Mark43 is typically brought in for.
What can Clerk do that Mark43 cannot?
Clerk covers Prebuilt UI components, Organization management, Multi-factor authentication, Social sign-on. Mark43 covers Computer-Aided Dispatch, Records Management, Evidence Management, Analytics.

Answered from the vendors’ own pages

Clerk: What does Clerk cost?

Clerk's Hobby plan is free with a 50,000 MRU limit; Pro is $25/month ($20/month billed annually), Business is $300/month ($250 annually), and Enterprise uses custom annual pricing.

Source
Mark43: Does Mark43 publish pricing online?

No, Mark43 pricing is not published on the public website. The only pricing reference is early bird conference registration. Prospective customers must contact Mark43 through 'Book A Demo' or 'Let's Connect' for pricing consultation.

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

Yes, the Hobby plan is free with a 50,000 monthly retained user (MRU) limit per app, up to 3 dashboard seats, and unlimited applications, with no credit card required.

Source
Mark43: What payment methods or financing options does Mark43 offer?

No information about payment methods or financing options is disclosed on the public homepage. Pricing and payment details are handled through direct sales consultations.

Source
Clerk: How is usage metered?

Clerk meters by monthly retained users (MRUs) — users who return to the app at least a day after signing up — with overage billed at $0.02 per MRU beyond the included 50,000 on paid plans.

Source
Mark43: Are there volume discounts or specialized pricing for different agency sizes?

Mark43 website does not disclose any volume pricing, per-user costs, or specialized rates for agencies of different sizes. All pricing inquiries require direct contact with sales team.

Source
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