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Developer Tools · head to head

Depot vs Mimecast

Depot logo

Depot

Developer Tools

Cloud-based builds and CI runs 55x faster with less cost

From
Free
Free plan
Yes
Full reviewWebsite
Mimecast logo

Mimecast

Cybersecurity

Email and collaboration security

From
$4/month
Free plan
No
Full reviewWebsite

The short version

  • Only Depot has a free tier, so it costs nothing to try first.
  • Each has a real cost: Depot developer plan minute limits may be insufficient for active development; Mimecast no pricing is published for any product or plan, and every route ends at a quote or demo request
  • They diverge on capability: Depot covers Depot CI, Mimecast covers Advanced threat detection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Depot and Mimecast actually diverge.

Attributes where Depot and Mimecast differ
AttributeDepotMimecast
Starting priceFree$4/month
Pricing modelUnknownsubscription
Free tierYesNo
PlatformsCloud, GitHub, CLIEmail, Cloud, Collaboration
CategoryDeveloper ToolsCybersecurity
Founded20222003

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 Depot

  • Depot CI
  • Container builds
  • GitHub Actions runners
  • Distributed caching
  • Build API
  • Depot Registry
  • Cross-platform builds
  • SSH debugging

Only in Mimecast

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

What people use each for

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

Depot

  • Accelerating Docker builds for container-based developmentnot Mimecast
  • Replacing GitHub Actions runners with faster infrastructurenot Mimecast
  • Distributing cache across Monorepo buildsnot Mimecast
  • Debugging failed CI builds interactively with SSHnot Mimecast

Mimecast

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

Where each one falls short

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

Depot

  • Developer plan minute limits may be insufficient for active development
  • Startup plan at $200/mo is expensive for smaller teams
  • Business plan requires custom pricing consultation
  • macOS M2 runners not available on Developer plan

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

Pricing, plan by plan

Depot

Free
  • Developer$20/month
    • 1 user
    • 500 Docker build minutes per month
    • 2,000 Depot CI minutes per month
  • Startup$200/month
    • Unlimited users
    • 5,000 Docker build minutes per month
    • 20,000 Depot CI minutes per month
  • Business$undefined/custom
    • Custom pricing
    • Unlimited users
    • Custom monthly compute

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

Which should you pick?

Choose Depot if

  • You need depot ci.
  • You want to start without paying.
  • You work on Cloud, GitHub, CLI.
  • You also want container builds.
Depot review

Choose Mimecast if

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

Questions people ask

Is Depot or Mimecast better?
Neither clearly leads. Depot starts at Free and Mimecast at $4/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Depot or Mimecast?
Depot has a free tier; the other does not. Paid plans start at Free for Depot and $4/month for Mimecast.
Does Depot or Mimecast run on more platforms?
Depot runs on Cloud, GitHub, CLI. Mimecast runs on Email, Cloud, Collaboration.
Can I use Depot for free?
Yes. Depot has a free tier, so you can try it without paying. Mimecast starts at $4/month.
What is Depot best used for?
Depot is most often used for accelerating docker builds for container-based development, replacing github actions runners with faster infrastructure, distributing cache across monorepo builds, debugging failed ci builds interactively with ssh. Of those, accelerating docker builds for container-based development and replacing github actions runners with faster infrastructure are not what Mimecast is typically brought in for.
What can Depot do that Mimecast cannot?
Depot covers Depot CI, Container builds, GitHub Actions runners, Distributed caching. Mimecast covers Advanced threat detection, Secure sharing, Email encryption, Message tracking.

Answered from the vendors’ own pages

Depot: How much faster are Depot runners compared to GitHub Actions?

Depot runners offer 30% faster CPUs and 10x faster networking than standard GitHub-hosted runners, enabling builds to complete significantly faster.

Source
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
Depot: What is included in the Developer plan?

Developer plan ($20/month) includes 500 Docker build minutes, 2,000 Depot CI minutes, 2,000 GitHub Actions minutes, 25 GB storage, unlimited concurrency, and community support.

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
Depot: Can I use Depot with my own AWS account?

Yes, Depot Managed allows deployment within customer AWS accounts. This is available to interested customers; contact sales for details.

Source
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