Softwr

Browser Extensions · head to head

Keeper vs SimilarWeb

Keeper logo

Keeper

Browser Extensions

Protect your passwords and private information

From
Free
Rated
-
Full reviewWebsite
SimilarWeb logo

SimilarWeb

Browser Extensions

Website traffic and competitive analysis

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Keeper free tier is severely limited to 10 passwords on a single device; essentially a trial rather than a usable free version; SimilarWeb browser extension data accuracy is lower than full platform
  • They diverge on capability: Keeper covers Password management, SimilarWeb covers Traffic analytics.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Keeper and SimilarWeb actually diverge.

Attributes where Keeper and SimilarWeb differ
AttributeKeeperSimilarWeb
Pricing modelUnknownfreemium
PlatformsChrome, Firefox, Edge, Safari, Brave, Opera, iOS, Android, macOS, WindowsWeb, Browser Extension
Founded20112007

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Browser Extensions).

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 management
  • Zero-knowledge encryption
  • Secure file storage
  • BreachWatch
  • Safari support
  • Opera support

Only in SimilarWeb

  • Traffic analytics
  • Audience insights
  • Competitor research
  • Industry analysis

Both cover

  • Chrome support
  • Firefox support
  • Edge support

What people use each for

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

Keeper

  • Business and enterprise password management with zero-knowledge encryptionnot SimilarWeb
  • Privileged access management for admin and service accountsnot SimilarWeb
  • Secure remote access and privileged session recordingnot SimilarWeb
  • Application secrets management through Secrets Managernot SimilarWeb
  • Government deployments requiring FedRAMP Highnot SimilarWeb

SimilarWeb

  • Analyzing competitor advertising across display, search, socialnot Keeper
  • Understanding traffic loss to search and AI recommendationsnot Keeper
  • Tracking brand visibility across ChatGPT and AI chatbotsnot Keeper
  • Optimizing Amazon product placement with marketplace analyticsnot Keeper
  • Identifying high-intent prospects at optimal buying momentsnot Keeper

Where each one falls short

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

Keeper

  • Free tier is severely limited to 10 passwords on a single device; essentially a trial rather than a usable free version
  • Personal plan at $1.79/month is promotional pricing; regular price is higher, making budget comparison difficult

SimilarWeb

  • Browser extension data accuracy is lower than full platform
  • Full platform pricing is not transparent and requires quote-based inquiry

Pricing, plan by plan

Keeper

Free
  • FreeFree
    • 10 passwords max
    • Single device only
    • No sync
  • Personal$1.79/month
    • Unlimited passwords
    • All devices
    • 2FA support
  • Family$3.83/month
    • Up to 5 users
    • Unlimited storage
    • Shared vaults

SimilarWeb

Free
  • FreeFree
    • Traffic overview
    • Engagement metrics
    • Similar sites

Which should you pick?

Choose Keeper if

  • You need password management.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge, Safari, Brave, Opera, iOS, Android, macOS, Windows.
  • You also want zero-knowledge encryption.
Keeper review

Choose SimilarWeb if

  • You need traffic analytics.
  • You want to start without paying.
  • You work on Web, Browser Extension.
  • You also want audience insights.
SimilarWeb review

Questions people ask

Is Keeper or SimilarWeb better?
Neither clearly leads. Keeper starts at Free and SimilarWeb at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keeper or SimilarWeb?
Keeper starts at Free and SimilarWeb at Free.
Does Keeper or SimilarWeb run on more platforms?
Keeper runs on Chrome, Firefox, Edge, Safari, Brave, Opera, iOS, Android, macOS, Windows. SimilarWeb runs on Web, Browser Extension.
Can I use Keeper for free?
Both have a free tier, so you can try either at no cost before committing.
What is Keeper best used for?
Keeper is most often used for business and enterprise password management with zero-knowledge encryption, privileged access management for admin and service accounts, secure remote access and privileged session recording, application secrets management through secrets manager. Of those, business and enterprise password management with zero-knowledge encryption and privileged access management for admin and service accounts are not what SimilarWeb is typically brought in for.
What can Keeper do that SimilarWeb cannot?
Keeper covers Password management, Zero-knowledge encryption, Secure file storage, BreachWatch. SimilarWeb covers Traffic analytics, Audience insights, Competitor research, Industry analysis. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

Keeper: Is there a free version of Keeper?

Keeper offers a free version with very limited functionality: it stores only 10 passwords on a single mobile device with no cross-device sync. A 30-day free trial provides full access to all features.

Source
SimilarWeb: How much does Similarweb cost?

Similarweb does not publish pricing. Custom packages are available for businesses and enterprises. Self-service options are available for entrepreneurs and small teams. Customers must start a free trial or contact sales to receive a quote.

Source
Keeper: What are Keeper's paid pricing plans?

Keeper Personal starts at $1.79/month (promotional pricing) with annual billing. Keeper Family covers up to 5 users at $3.83/month annually. Both include unlimited password storage, cross-device sync, and 2FA support.

Source
SimilarWeb: Does Similarweb offer a free trial?

Yes. Similarweb offers free trials for its various products. Users can start a free trial through their registration page or contact support to switch between different product trials.

Source
Keeper: What browsers and devices does Keeper support?

Keeper has browser extensions for Chrome, Firefox, Edge, Safari, Brave, and Opera. It also offers native apps for iOS, Android, macOS, Windows, and web access.

Source
SimilarWeb: What products does Similarweb offer?

Similarweb offers the Competitive Intelligence Suite, Strategic SEO Suite, Ads Intelligence Suite, Gen AI Intelligence Suite, AI Studio with natural language queries, custom data feeds, API access, and managed services with custom dashboards.

Source
Keeper: Does Keeper support 2FA and passkeys?

Yes, Keeper stores and autofills FIDO2 passkeys and supports multiple 2FA methods including TOTP, SMS, and WebAuthn. Biometric login (fingerprint/face recognition) is also supported.

Source
Keeper: How secure is Keeper?

Keeper uses zero-knowledge architecture where data is encrypted and decrypted only on your device. Only you can access your vault, and the company cannot see your passwords or data.

Source
Share

Related pages

More on Keeper

More on SimilarWeb

Keep looking

Other head to heads