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Cybersecurity · head to head

Mimecast vs SentinelOne

Mimecast logo

Mimecast

Cybersecurity

Email and collaboration security

From
$4/month
Rated
-
Full reviewWebsite
SentinelOne logo

SentinelOne

Cybersecurity

Autonomous endpoint protection and response

From
On request
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; SentinelOne enterprise pricing requires contacting sales
  • They diverge on capability: Mimecast covers Advanced threat detection, SentinelOne covers AI-powered detection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Mimecast and SentinelOne actually diverge.

Attributes where Mimecast and SentinelOne differ
AttributeMimecastSentinelOne
Starting price$4/monthOn request
PlatformsEmail, Cloud, CollaborationWindows, Macos, Linux, Ios, Android
Founded20032013

Identical on both: pricing model (subscription), 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 SentinelOne

  • AI-powered detection
  • Autonomous response
  • Behavioral threat intelligence
  • Root cause analysis
  • Threat hunting automation
  • Ransomware protection
  • Container security
  • Mobile endpoint protection

Both cover

  • Slack
  • Jira
  • ServiceNow
  • SOC2 Type 2
  • ISO 27001
  • GDPR
  • HIPAA
  • Cloud deployment

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 SentinelOne
  • Email archiving, continuity and compliance for organisationsnot SentinelOne

SentinelOne

  • Endpoint detection and responsenot Mimecast
  • AI-powered threat huntingnot Mimecast
  • Cloud workload securitynot 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

SentinelOne

  • Enterprise pricing requires contacting sales
  • Prices shown for 5-100 workstations may differ for larger deployments
  • Purchases must be made through authorized third-party partners

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

SentinelOne

On request
  • Singularity Complete$179.99/year
    • Per endpoint pricing
    • AI-driven endpoint and cloud workload protection
    • Real-time threat detection and response
  • Singularity Commercial$229.99/year
    • Per endpoint pricing
    • All Complete features plus Identity Detection and Response
    • 90-day data retention
  • Singularity Enterprise$null/custom
    • Per endpoint pricing
    • All Commercial features plus Agentic AI SOC Analyst
    • Full Visibility and Forensics

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 SentinelOne if

  • You need ai-powered detection.
  • You work on Windows, Macos, Linux, Ios, Android.
  • You also want autonomous response.
SentinelOne review

Questions people ask

Is Mimecast or SentinelOne better?
Neither clearly leads. Mimecast starts at $4/month and SentinelOne at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mimecast or SentinelOne?
Mimecast starts at $4/month and SentinelOne at On request.
Does Mimecast or SentinelOne run on more platforms?
Mimecast runs on Email, Cloud, Collaboration. SentinelOne runs on Windows, Macos, Linux, Ios, Android.
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 SentinelOne is typically brought in for.
What can Mimecast do that SentinelOne cannot?
Mimecast covers Advanced threat detection, Secure sharing, Email encryption, Message tracking. SentinelOne covers AI-powered detection, Autonomous response, Behavioral threat intelligence, Root cause analysis. Both handle Slack, Jira, ServiceNow, SOC2 Type 2.

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
SentinelOne: What is SentinelOne Singularity Complete pricing?

Singularity Complete costs $179.99 per endpoint per year and includes AI-driven endpoint and cloud workload protection, real-time threat detection and response, 14-day data retention, and AI Security Assistant. Pricing shown for 5-100 workstations.

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
SentinelOne: What features distinguish SentinelOne Commercial from Complete?

Singularity Commercial costs $229.99 per endpoint per year (versus $179.99 for Complete) and adds Identity Detection and Response, 90-day data retention (compared to 14-day), and Managed Threat Hunting services.

Source
SentinelOne: How does partner pricing affect SentinelOne costs?

All SentinelOne purchases are made through authorized third-party partners, and partner pricing may differ from published rates. Customers should verify pricing with their authorized reseller.

Source
SentinelOne: What does SentinelOne Enterprise include?

Singularity Enterprise (custom pricing, contact sales) adds Agentic AI SOC Analyst and Full Visibility and Forensics capabilities to all Commercial features, plus expert-led onboarding and training.

Source
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