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Cybersecurity · head to head

Keeper Password Manager vs Keil MDK

Keeper Password Manager logo

Keeper Password Manager

Cybersecurity

Cybersecurity starts here

From
Free
Free plan
Yes
Full reviewWebsite
Keil MDK logo

Keil MDK

Developer Tools

Microcontroller Development Kit for Arm-based devices

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Keeper Password Manager free tier limited to 10 passwords on one device only; Keil MDK pricing for Essential and Professional subscriptions not disclosed on primary site
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Keeper Password Manager and Keil MDK actually diverge.

Attributes where Keeper Password Manager and Keil MDK differ
AttributeKeeper Password ManagerKeil MDK
Pricing modelUnknownfreemium
PlatformsWeb, iOS, Android, Windows, macOSWeb
CategoryCybersecurityDeveloper Tools
Founded2011Unknown

Identical on both: starting price (Free), free tier (Yes), 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 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 Keil MDK

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 Keil MDK
  • Secrets Managementnot Keil MDK
  • Privileged Accessnot Keil MDK

Keil MDK

  • Embedded software developmentnot Keeper Password Manager
  • ARM microcontroller programmingnot Keeper Password Manager
  • Professional development environmentsnot 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

Keil MDK

  • Pricing for Essential and Professional subscriptions not disclosed on primary site
  • Customers must contact Arm Developer Tools store for subscription rates

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

Keil MDK

Free

No published plan breakdown. See the Keil MDK review.

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 Keil MDK if

  • You want to start without paying.
Keil MDK review

Questions people ask

Is Keeper Password Manager or Keil MDK better?
Neither clearly leads. Keeper Password Manager starts at Free and Keil MDK at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keeper Password Manager or Keil MDK?
Keeper Password Manager starts at Free and Keil MDK at Free.
Does Keeper Password Manager or Keil MDK run on more platforms?
Keeper Password Manager runs on Web, iOS, Android, Windows, macOS. Keil MDK runs on Web.
Can I use Keeper Password Manager for free?
Both have a free tier, so you can try either at no cost before committing.
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 Keil MDK is typically brought in for.
What can Keeper Password Manager do that Keil MDK 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
Keil MDK: Does Keil MDK have a free version?

Yes, Keil MDK Community Edition is free for non-commercial projects. Essential and Professional editions are available as monthly or annual subscriptions.

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
Keil MDK: How much do Keil MDK paid editions cost?

Specific pricing for Essential and Professional editions is not published on the main site. Rates are available from the Arm Developer Tools store or by contacting Arm sales.

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
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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