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Cybersecurity · head to head

Mimecast vs WorkOS

Mimecast logo

Mimecast

Cybersecurity

Email and collaboration security

From
$4/month
Rated
-
Full reviewWebsite
WorkOS logo

WorkOS

Cybersecurity

Developer platform for enterprise-ready authentication and identity.

From
$125/one-time per connection
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Mimecast no pricing is published for any product or plan, and every route ends at a quote or demo request; WorkOS authKit free tier limited to 1 million monthly active users; additional millions cost $2,500/month
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Mimecast and WorkOS actually diverge.

Attributes where Mimecast and WorkOS differ
AttributeMimecastWorkOS
Starting price$4/month$125/one-time per connection
Pricing modelsubscriptionusage-based
PlatformsEmail, Cloud, CollaborationWeb, API
Founded2003Unknown

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

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 Mimecast

  • Advanced threat detection
  • Secure sharing
  • Email encryption
  • Message tracking
  • Email archiving
  • Legal hold
  • eDiscovery
  • Backup and recovery

Only in WorkOS

Nothing recorded that Mimecast does not also cover.

What people use each for

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

Mimecast

  • Email security filtering against phishing and targeted attacksnot WorkOS
  • Email archiving, continuity and compliance for organisationsnot WorkOS

WorkOS

  • SaaS applications needing rapid enterprise SSO deploymentnot Mimecast
  • Companies selling to mid-market and enterprise customersnot Mimecast
  • Applications requiring SCIM directory sync with corporate identity systemsnot Mimecast
  • Product teams needing audit logs for compliance (SOC 2, ISO 27001)not Mimecast
  • Platforms with multiple identity provider requirementsnot Mimecast

Where each one falls short

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

Mimecast

  • No pricing is published for any product or plan, and every route ends at a quote or demo request
  • The platform is split into separately sold products for email security, awareness training, data protection and governance
  • Collaboration threat protection, DMARC analysis, incident response and email archiving are all further add ons on top of those

WorkOS

  • AuthKit free tier limited to 1 million monthly active users; additional millions cost $2,500/month
  • Per-connection pricing for SSO and Directory Sync ($125–$50 each) scales poorly for enterprises with many identity providers
  • Audit logs require separate subscription at $125/month per SIEM connection or $99/month per 1 million events
  • Radar fraud protection billed separately at $100/month per 50,000 additional checks beyond 1,000 free checks
  • Custom domain feature requires $99/month subscription
  • Requires annual commitment for SLA and support guarantees; pay-as-you-go tier lacks uptime guarantee

Pricing, plan by plan

Mimecast

$4/month
  • Defender$4/month
    • Per user
    • Threat protection
    • Impersonation prevention
  • Archive$3/month
    • Email archiving
    • Legal hold
    • Search & recall
  • Unified$6/month
    • All Defender features
    • All Archive features
    • Backup

WorkOS

$125/one-time per connection
  • Pay as You Go$undefined/variable
    • Per-connection pricing from $125 to $50 with volume discounts
    • Up to 60% discount at scale
    • Quick deployment
  • Annual Credits$undefined/variable
    • Custom pricing with volume discounts
    • 99.99% uptime SLA
    • Guided migration

Which should you pick?

Choose Mimecast if

  • You need advanced threat detection.
  • You work on Email, Cloud, Collaboration.
  • You also want secure sharing.
Mimecast review

Choose WorkOS if

  • You work on Web, API.
WorkOS review

Questions people ask

Is Mimecast or WorkOS better?
Neither clearly leads. Mimecast starts at $4/month and WorkOS at $125/one-time per connection, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mimecast or WorkOS?
Mimecast starts at $4/month and WorkOS at $125/one-time per connection.
Does Mimecast or WorkOS run on more platforms?
Mimecast runs on Email, Cloud, Collaboration. WorkOS runs on Web, API.
What is Mimecast best used for?
Mimecast is most often used for email security filtering against phishing and targeted attacks, email archiving, continuity and compliance for organisations. Of those, email security filtering against phishing and targeted attacks and email archiving, continuity and compliance for organisations are not what WorkOS is typically brought in for.
What can Mimecast do that WorkOS cannot?
Mimecast covers Advanced threat detection, Secure sharing, Email encryption, Message tracking.

Answered from the vendors’ own pages

Mimecast: How much does Mimecast cost?

Mimecast does not publish pricing on its website. Customers must request a custom quote by contacting the sales team at +1 617 393 7000 or using the Get a Quote button.

Source
WorkOS: How quickly can I implement WorkOS SSO?

Developers can implement single sign-on in minutes instead of months. Multiple customers report setting up SSO in less than a week, with WorkOS handling the complexity of SAML and OIDC protocols.

Source
Mimecast: Is there a free trial of Mimecast?

Mimecast's trial and pricing options are not specified on the public website. Contact sales at +1 617 393 7000 or through their support portal at mimecastsupport.zendesk.com for trial availability.

Source
WorkOS: What SDKs does WorkOS provide?

WorkOS offers SDKs for Node.js, Python, Ruby, Go, PHP, Java, and .NET.

Source
WorkOS: Does WorkOS support SCIM provisioning?

Yes. WorkOS supports SCIM provisioning integration with systems like Okta and Entra ID for automated user management.

Source
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