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Cybersecurity · head to head

Mimecast vs Sweep

Mimecast logo

Mimecast

Cybersecurity

Email and collaboration security

From
$4/month
Free plan
No
Full reviewWebsite
Sweep logo

Sweep

Developer Tools

AI coding assistant for JetBrains IDEs

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Sweep 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; Sweep limited to JetBrains IDEs only, not available for VS Code or other editors
  • They diverge on capability: Mimecast covers Advanced threat detection, Sweep covers Autocomplete.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Mimecast and Sweep actually diverge.

Attributes where Mimecast and Sweep differ
AttributeMimecastSweep
Starting price$4/monthFree
Pricing modelsubscriptionFreemium with paid tiers
Free tierNoYes
PlatformsEmail, Cloud, CollaborationJetBrains IDEs
CategoryCybersecurityDeveloper Tools
Founded20032023

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 Mimecast

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

Only in Sweep

  • Autocomplete
  • AI Agent
  • Full codebase indexing
  • Code review functionality
  • Multi-IDE support
  • GitHub integration

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 Sweep
  • Email archiving, continuity and compliance for organisationsnot Sweep

Sweep

  • Accelerating code completion for JetBrains developersnot Mimecast
  • Automating refactoring tasks across codebasesnot Mimecast
  • Handling bug fixes with full repository contextnot Mimecast
  • Code review and quality assurancenot 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

Sweep

  • Limited to JetBrains IDEs only, not available for VS Code or other editors
  • Free tier limited to 1,000 autocompletes per month
  • API credit consumption varies by feature usage
  • Performance dependent on codebase size and indexing quality

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

Sweep

Free
  • FreeFree
    • 1,000 autocompletes
    • 5 USD API credits included
    • All JetBrains IDEs supported
  • Pro$20/month
    • Unlimited autocomplete
    • Higher API credit allocation
    • Priority support
  • Ultra$60/month
    • Unlimited autocomplete
    • Maximum API credit allocation
    • Extended context window

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 Sweep if

  • You need autocomplete.
  • You want to start without paying.
  • You work on JetBrains IDEs.
  • You also want ai agent.
Sweep review

Questions people ask

Is Mimecast or Sweep better?
Neither clearly leads. Mimecast starts at $4/month and Sweep at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mimecast or Sweep?
Sweep has a free tier; the other does not. Paid plans start at $4/month for Mimecast and Free for Sweep.
Does Mimecast or Sweep run on more platforms?
Mimecast runs on Email, Cloud, Collaboration. Sweep runs on JetBrains IDEs.
Can I use Sweep for free?
Yes. Sweep 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 Sweep is typically brought in for.
What can Mimecast do that Sweep cannot?
Mimecast covers Advanced threat detection, Secure sharing, Email encryption, Message tracking. Sweep covers Autocomplete, AI Agent, Full codebase indexing, Code review functionality.

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
Sweep: What programming languages does Sweep support?

Sweep works with all programming languages supported by JetBrains IDEs, including Python, Java, JavaScript, Go, Kotlin, C++, and many others.

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
Sweep: Does Sweep retain my code data?

No. Sweep is SOC 2 Type II certified with zero data retention. Code is processed for suggestions but not stored.

Source
Sweep: Can I cancel my Sweep subscription anytime?

Yes. You can cancel your subscription at any time from your account settings with no long-term commitments or cancellation fees.

Source
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