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Browser Extensions · head to head

SimilarWeb vs Supermetrics

SimilarWeb logo

SimilarWeb

Browser Extensions

Website traffic and competitive analysis

From
Free
Rated
-
Full reviewWebsite
Supermetrics logo

Supermetrics

Marketing

Bring all your marketing data into one place

From
€49/month
Rated
-
Full reviewWebsite

The short version

  • Only SimilarWeb has a free tier, so it costs nothing to try first.
  • Each has a real cost: SimilarWeb browser extension data accuracy is lower than full platform; Supermetrics every package includes only 1 core destination; sending the same data to a second destination is a paid extra
  • They diverge on capability: SimilarWeb covers Traffic analytics, Supermetrics covers Multi-source data connectors.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which SimilarWeb and Supermetrics actually diverge.

Attributes where SimilarWeb and Supermetrics differ
AttributeSimilarWebSupermetrics
Starting priceFree€49/month
Pricing modelfreemiumsubscription
Free tierYesNo
PlatformsWeb, Browser ExtensionWeb, Google-sheets, Data-studio, Excel, Api
CategoryBrowser ExtensionsMarketing
Founded20072010

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 SimilarWeb

  • Traffic analytics
  • Audience insights
  • Competitor research
  • Industry analysis
  • Chrome support
  • Firefox support
  • Edge support

Only in Supermetrics

  • Multi-source data connectors
  • Real-time data sync
  • Custom dimensions
  • Data blending
  • Scheduled reports
  • API access
  • Data transformation
  • Visualization

What people use each for

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

SimilarWeb

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

Supermetrics

  • Pulling marketing platform data into Google Sheets, Looker Studio, Excel or Power BInot SimilarWeb
  • Loading advertising data into BigQuery or Snowflake for reportingnot SimilarWeb
  • Automating recurring client marketing reports at an agencynot SimilarWeb

Where each one falls short

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

SimilarWeb

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

Supermetrics

  • Every package includes only 1 core destination; sending the same data to a second destination is a paid extra
  • The Starter plan at 49 EUR per month billed monthly includes 1 user, 3 data sources and 3 accounts per data source
  • Data refreshes are weekly on Starter, daily on Growth and hourly on Pro; on-demand refreshes require Enterprise
  • Refresh scheduling on those tiers is stated for Google Sheets only
  • Snowflake and BigQuery data warehouse destinations require the Enterprise package
  • SAML SSO is Enterprise only; lower tiers get basic single sign-on
  • Data transformations, data residency and region control, multiple teams and Management API access are Enterprise only
  • Enterprise carries no published price and is quote only
  • The 20% saving is only available on yearly billing
  • AI credits are metered per plan at 4,000 monthly on Starter and 12,000 on Growth

Pricing, plan by plan

SimilarWeb

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

Supermetrics

€49/month
  • Starter$49/month
    • 1 core destination
    • 3 data sources
    • 1 user
  • Growth$199/month
    • 1 core destination
    • 7 data sources
    • 2 users
  • Pro$499/month
    • 1 core destination
    • 10 data sources
    • 3 users

Which should you pick?

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

Choose Supermetrics if

  • You need multi-source data connectors.
  • You work on Web, Google-sheets, Data-studio, Excel, Api.
  • You also want real-time data sync.
Supermetrics review

Questions people ask

Is SimilarWeb or Supermetrics better?
Neither clearly leads. SimilarWeb starts at Free and Supermetrics at €49/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, SimilarWeb or Supermetrics?
SimilarWeb has a free tier; the other does not. Paid plans start at Free for SimilarWeb and €49/month for Supermetrics.
Does SimilarWeb or Supermetrics run on more platforms?
SimilarWeb runs on Web, Browser Extension. Supermetrics runs on Web, Google-sheets, Data-studio, Excel, Api.
Can I use SimilarWeb for free?
Yes. SimilarWeb has a free tier, so you can try it without paying. Supermetrics starts at €49/month.
What is SimilarWeb best used for?
SimilarWeb is most often used for analyzing competitor advertising across display, search, social, understanding traffic loss to search and ai recommendations, tracking brand visibility across chatgpt and ai chatbots, optimizing amazon product placement with marketplace analytics. Of those, analyzing competitor advertising across display, search, social and understanding traffic loss to search and ai recommendations are not what Supermetrics is typically brought in for.
What can SimilarWeb do that Supermetrics cannot?
SimilarWeb covers Traffic analytics, Audience insights, Competitor research, Industry analysis. Supermetrics covers Multi-source data connectors, Real-time data sync, Custom dimensions, Data blending.

Answered from the vendors’ own pages

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
Supermetrics: How much does Supermetrics cost?

Supermetrics offers three subscription plans: Starter at EUR 49 per month, Growth at EUR 199 per month, and Pro at EUR 499 per month. Annual billing provides a 20% discount. Enterprise plans require a custom quote.

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
Supermetrics: Can I add extra users or data sources to my Supermetrics plan?

Yes, additional features are available for all plans. Additional users cost EUR 29 to EUR 124 per month depending on plan tier, and additional data sources cost EUR 29 to EUR 37 per month. Additional destinations and ad accounts also carry separate monthly fees.

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
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