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Developer Tools · head to head

JetBrains Rider vs Microsoft Defender

JetBrains Rider logo

JetBrains Rider

Developer Tools

Cross-platform .NET IDE from JetBrains for C#, F#, VB.NET and Unity

From
$18.25/month
Free plan
No
Full reviewWebsite
Microsoft Defender logo

Microsoft Defender

Cybersecurity

Always-on protection for you and your family's data and devices

From
$12/month
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: JetBrains Rider requires a paid subscription with no permanently free commercial tier.; Microsoft Defender defender Suite requires existing Microsoft 365 E3 or equivalent base licensing
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which JetBrains Rider and Microsoft Defender actually diverge.

Attributes where JetBrains Rider and Microsoft Defender differ
AttributeJetBrains RiderMicrosoft Defender
Starting price$18.25/month$12/month
Platformswindows, mac, linuxWeb
CategoryDeveloper ToolsCybersecurity
Founded2000Unknown

Identical on both: pricing model (subscription), free tier (No), 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 JetBrains Rider

  • Cross-platform .NET Development
  • ReSharper-powered Code Analysis
  • Integrated Debugger and Profiler
  • Version Control Integration
  • Unity Support

Only in Microsoft Defender

Nothing recorded that JetBrains Rider does not also cover.

What people use each for

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

JetBrains Rider

  • Cross-platform .NET and ASP.NET Core developmentnot Microsoft Defender
  • Unity game development and debuggingnot Microsoft Defender
  • Large-scale C# refactoring with ReSharper-grade analysisnot Microsoft Defender
  • Teams standardizing on JetBrains tooling across languagesnot Microsoft Defender

Microsoft Defender

  • Endpoint security and threat protectionnot JetBrains Rider
  • Identity and access securitynot JetBrains Rider
  • Email threat protectionnot JetBrains Rider
  • SaaS application security monitoringnot JetBrains Rider

Where each one falls short

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

JetBrains Rider

  • Requires a paid subscription with no permanently free commercial tier.
  • Heavier resource usage than lightweight editors like VS Code for small projects.
  • Some advanced features overlap with a separate ReSharper Visual Studio plugin, causing licensing confusion.
  • First-year pricing increased in late 2025, raising the cost of entry versus prior years.

Microsoft Defender

  • Defender Suite requires existing Microsoft 365 E3 or equivalent base licensing
  • Some Defender products use pay-as-you-go pricing with variable costs
  • Prices vary based on Microsoft agreements, requiring sales contact for custom quotes

Pricing, plan by plan

JetBrains Rider

$18.25/month
  • Individual - Year 1$219/year
    • Full Rider IDE license
    • Free minor and major updates during subscription
  • Individual - Year 2$175/year
    • Continuity discount after first year
  • Individual - Year 3+$131/year
    • Further continuity discount from third year onward

Microsoft Defender

$12/month
  • Microsoft Defender Suite$12/month
    • Endpoint protection
    • Identity threat detection
    • Email security
  • Microsoft 365 E5 with Defender$60/month
    • Includes Defender Suite
    • Microsoft Teams included
    • Comprehensive security and compliance
  • Microsoft Defender Vulnerability Management Add-on$2/month
    • Vulnerability scanning and management
    • One-month free trial available
    • Annual commitment required

Which should you pick?

Choose JetBrains Rider if

  • You need cross-platform .net development.
  • You work on windows, mac, linux.
  • You also want resharper-powered code analysis.
JetBrains Rider review

Choose Microsoft Defender if

Nothing in the data separates Microsoft Defender from JetBrains Rider on the points above - pick on price and on how each one feels to use.

Microsoft Defender review

Questions people ask

Is JetBrains Rider or Microsoft Defender better?
Neither clearly leads. JetBrains Rider starts at $18.25/month and Microsoft Defender at $12/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, JetBrains Rider or Microsoft Defender?
JetBrains Rider starts at $18.25/month and Microsoft Defender at $12/month.
Does JetBrains Rider or Microsoft Defender run on more platforms?
JetBrains Rider runs on windows, mac, linux. Microsoft Defender runs on Web.
What is JetBrains Rider best used for?
JetBrains Rider is most often used for cross-platform .net and asp.net core development, unity game development and debugging, large-scale c# refactoring with resharper-grade analysis, teams standardizing on jetbrains tooling across languages. Of those, cross-platform .net and asp.net core development and unity game development and debugging are not what Microsoft Defender is typically brought in for.
What can JetBrains Rider do that Microsoft Defender cannot?
JetBrains Rider covers Cross-platform .NET Development, ReSharper-powered Code Analysis, Integrated Debugger and Profiler, Version Control Integration.

Answered from the vendors’ own pages

JetBrains Rider: Does Rider have a free version?

JetBrains offers a free non-commercial license for Rider for personal, non-commercial use, alongside paid commercial subscriptions with continuity discounts after the first year.

Source
Microsoft Defender: How much does Microsoft Defender Suite cost?

Microsoft Defender Suite costs $12/user/month (paid yearly), but requires existing Microsoft 365 E3 or equivalent base licensing. It includes endpoint protection, identity threat detection, email security, and SaaS application monitoring.

Source
JetBrains Rider: What counts as non-commercial use under the free license?

Learning, open-source contributions without commercial benefit, content creation like monetized tutorials, and hobby projects qualify; any paid work or commercial release does not.

Source
Microsoft Defender: What add-ons are available for Microsoft Defender?

Microsoft Defender Vulnerability Management Add-on costs $2/user/month with annual commitment and includes a one-month free trial. Additional pay-as-you-go products include External Attack Surface Management, Cloud Security Posture Management, and Sentinel.

Source
JetBrains Rider: Does the free non-commercial license include all Rider features?

Yes, it is a full-featured IDE identical to the paid version, with one exception: Code With Me is limited to the Community tier instead of the premium tier.

Source
Microsoft Defender: Is Defender included in Microsoft 365 E5?

Yes, Microsoft Defender Suite is included in Microsoft 365 E5 at $60/user/month (paid yearly with Teams). Prices may vary based on Microsoft agreements, requiring contact with Sales for customized quotes.

Source
JetBrains Rider: How often does the non-commercial license renew?

It issues a one-year license that renews automatically each year, provided Rider was opened at least once during the preceding six months.

Source
JetBrains Rider: What support do non-commercial license holders get?

Non-commercial users get community forums and public bug trackers rather than private support tickets, which are reserved for paid subscribers.

Source
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