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Cybersecurity · head to head

Mimecast vs Stytch

Mimecast logo

Mimecast

Cybersecurity

Email and collaboration security

From
$4/month
Rated
-
Full reviewWebsite
Stytch logo

Stytch

Cybersecurity

Identity platform with passwordless auth, passkeys and bot detection.

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Stytch has a free tier, so it costs nothing to try first.
  • 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; Stytch free tier limited to 10,000 monthly active users; scaling beyond this requires custom pricing negotiation
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Mimecast and Stytch actually diverge.

Attributes where Mimecast and Stytch differ
AttributeMimecastStytch
Starting price$4/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsEmail, Cloud, CollaborationWeb, API
Founded2003Unknown

Identical on both: 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 Stytch

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 Stytch
  • Email archiving, continuity and compliance for organisationsnot Stytch

Stytch

  • Applications prioritising passwordless and passkey authenticationnot Mimecast
  • SaaS platforms requiring AI agent authentication and machine-to-machine flowsnot Mimecast
  • Companies with emerging identity needs such as bot detection and device intelligencenot Mimecast
  • Organisations building with Next.js and React requiring modern auth patternsnot Mimecast
  • Applications needing transparent pricing without surprise tiers or feature gatingnot 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

Stytch

  • Free tier limited to 10,000 monthly active users; scaling beyond this requires custom pricing negotiation
  • Fraud prevention capabilities billed at $0.005 per fingerprint for usage exceeding 10,000 free checks
  • Additional SSO or SCIM connections beyond the 5 included in free tier cost $125 each
  • Brand customisation and email removal require one-time payment of $99
  • HIPAA and advanced fraud protection only available in Enterprise tier
  • No native UI builder; requires custom frontend development for fully-branded auth flows

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

Stytch

Free
  • FreeFree
    • 10,000 monthly active users and AI agents
    • Unlimited organisations
    • 5 SSO or SCIM connections
  • Scaled$undefined/variable
    • Usage-based pricing for users exceeding 10,000
    • All free tier features
    • Volume discounts available
  • Enterprise$undefined/variable
    • Custom pricing
    • Discounted volume rates
    • Enterprise support SLA

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 Stytch if

  • You want to start without paying.
  • You work on Web, API.
Stytch review

Questions people ask

Is Mimecast or Stytch better?
Neither clearly leads. Mimecast starts at $4/month and Stytch at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mimecast or Stytch?
Stytch has a free tier; the other does not. Paid plans start at $4/month for Mimecast and Free for Stytch.
Does Mimecast or Stytch run on more platforms?
Mimecast runs on Email, Cloud, Collaboration. Stytch runs on Web, API.
Can I use Stytch for free?
Yes. Stytch has a free tier, so you can try it without paying. Mimecast starts at $4/month.
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 Stytch is typically brought in for.
What can Mimecast do that Stytch 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
Stytch: What is included in Stytch's free tier?

The free tier includes 10,000 monthly active users (human and AI agents), unlimited organisations, 5 SSO or SCIM connections, and 1,000 machine-to-machine tokens with full authentication features.

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
Stytch: Does Stytch support AI agent authentication?

Yes. Stytch provides native AI agent authentication and authorisation, with support for the Model Context Protocol (MCP) for authenticating AI agents accessing external systems.

Source
Stytch: What fraud prevention features does Stytch offer?

Stytch includes bot detection with 99.99% accuracy, device fingerprinting, invisible CAPTCHA, and zero-day device intelligence built into all tiers.

Source
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