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Cybersecurity · head to head

Keeper Password Manager vs Microsoft Defender

Keeper Password Manager logo

Keeper Password Manager

Cybersecurity

Cybersecurity starts here

From
Free
Rated
-
Full reviewWebsite
Microsoft Defender logo

Microsoft Defender

Cybersecurity

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

From
$12/month
Rated
-
Full reviewWebsite

The short version

  • Only Keeper Password Manager has a free tier, so it costs nothing to try first.
  • Each has a real cost: Keeper Password Manager free tier limited to 10 passwords on one device only; Microsoft Defender defender Suite requires existing Microsoft 365 E3 or equivalent base licensing
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Keeper Password Manager and Microsoft Defender actually diverge.

Attributes where Keeper Password Manager and Microsoft Defender differ
AttributeKeeper Password ManagerMicrosoft Defender
Starting priceFree$12/month
Pricing modelUnknownsubscription
Free tierYesNo
PlatformsWeb, iOS, Android, Windows, macOSWeb
Founded2011Unknown

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 Keeper Password Manager

  • Zero-knowledge security
  • Password vault
  • BreachWatch dark web monitoring
  • Secure file storage
  • One-time share
  • Emergency access
  • Passkey support
  • Secrets Manager

Only in Microsoft Defender

Nothing recorded that Keeper Password Manager does not also cover.

What people use each for

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

Keeper Password Manager

  • Password Managernot Microsoft Defender
  • Secrets Managementnot Microsoft Defender
  • Privileged Accessnot Microsoft Defender

Microsoft Defender

  • Endpoint security and threat protectionnot Keeper Password Manager
  • Identity and access securitynot Keeper Password Manager
  • Email threat protectionnot Keeper Password Manager
  • SaaS application security monitoringnot Keeper Password Manager

Where each one falls short

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

Keeper Password Manager

  • Free tier limited to 10 passwords on one device only
  • Personal and Family plans lack team collaboration features
  • Higher per-user cost for small teams compared to some competitors

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

Keeper Password Manager

Free
  • Personal$34.99/year
  • Family$74.99/year
  • Business Starter$2/user per month
  • Business$3.75/user per month

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 Keeper Password Manager if

  • You need zero-knowledge security.
  • You want to start without paying.
  • You work on Web, iOS, Android, Windows, macOS.
  • You also want password vault.
Keeper Password Manager review

Choose Microsoft Defender if

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

Microsoft Defender review

Questions people ask

Is Keeper Password Manager or Microsoft Defender better?
Neither clearly leads. Keeper Password Manager starts at Free and Microsoft Defender at $12/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keeper Password Manager or Microsoft Defender?
Keeper Password Manager has a free tier; the other does not. Paid plans start at Free for Keeper Password Manager and $12/month for Microsoft Defender.
Does Keeper Password Manager or Microsoft Defender run on more platforms?
Keeper Password Manager runs on Web, iOS, Android, Windows, macOS. Microsoft Defender runs on Web.
Can I use Keeper Password Manager for free?
Yes. Keeper Password Manager has a free tier, so you can try it without paying. Microsoft Defender starts at $12/month.
What is Keeper Password Manager best used for?
Keeper Password Manager is most often used for password manager, secrets management, privileged access. Of those, password manager and secrets management are not what Microsoft Defender is typically brought in for.
What can Keeper Password Manager do that Microsoft Defender cannot?
Keeper Password Manager covers Zero-knowledge security, Password vault, BreachWatch dark web monitoring, Secure file storage.

Answered from the vendors’ own pages

Keeper Password Manager: Does Keeper offer a free tier?

Keeper's free version stores only 10 passwords on a single mobile device with no cross-device sync and is effectively a trial.

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
Keeper Password Manager: What does Keeper Business cost?

Keeper Business Starter costs $2 per user per month for 5-10 users. Keeper Business costs $3.75 per user per month for unlimited users.

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
Keeper Password Manager: Does Keeper Enterprise include SSO?

Yes. Keeper Enterprise includes single sign-on capabilities along with compliance and reporting features at $6 per user per month.

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
Keeper Password Manager: What security features does Keeper include?

Keeper uses zero-knowledge encryption where the company cannot access passwords, plus advanced features like privileged access management and session recording on Enterprise Plus.

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