Review

SimilarwebReviewed by Vetteroo review

Marketers checking competitor traffic sources.

We check it out so you don’t have to.

Disclosure: Some links on this page are affiliate links. If you buy through them, we may earn a commission at no extra cost to you. We only recommend things we believe are useful. Read our full disclosure.

What it is
Website traffic and competitive intelligence data
Best for
Marketers and analysts who want competitor traffic estimates
Price
Starter $125/mo billed yearly ($199 monthly), checked October 29, 2026
Prices checked
October 29, 2026

We researched Similarweb's official pricing, terms, product pages, help pages and outside reviews. We haven't used Similarweb ourselves, so this is a research-based review, not a hands-on test.

Who it’s best for

  • Marketers checking competitor traffic sources.
  • Investors and analysts researching websites.
  • Agencies doing market research for clients.

Who should skip it

  • Probably not the best fit for small sites on a tight budget.

How it works day to day

This part draws on Similarweb’s own product pages, help center and documentation, read October 29, 2026 (listed under Sources). We haven’t used Similarweb ourselves.

You enter a website to see estimated visits, traffic sources, top pages, keywords and audiences, and compare it with competitors.

Key features in use

  • Traffic estimates
  • Traffic source breakdown
  • Keyword and referral data
  • Competitor comparison
  • Market research

Setup and learning curve

Use the free version or start a trial.

Integrations

API and exports on higher plans.

Support

Help center and account support.

Real-world use cases

  • Competitor research
  • Market sizing
  • Partnership research
  • Investment research

What it costs

Prices checked October 29, 2026, from Similarweb’s own pricing page unless noted. Prices change often, so check the official page before you buy.

  • Starter: $199 a month, or $1,500 a year (about $125 a month) billed yearly, for 1 user.
  • Professional: $399 a month, or about $333 a month billed yearly.
  • Team and Enterprise plans are quote-only.
  • Prices from Similarweb's packages pages, checked October 29, 2026.

What we like

  • Well-known traffic and audience estimates.
  • Free limited version of the site.
  • Covers traffic sources, keywords and referrals.
  • Yearly billing cuts the price a lot.

What to watch for

  • Trustpilot showed 3.0 out of 5 from about 535 reviews as of October 29, 2026, with complaints about trials turning into paid plans and cancelling.
  • Expensive, and higher tiers are quote-only.
  • Traffic numbers are estimates.

The fine print

  • Check how the trial converts to paid, and cancel in time.
  • Yearly plans are paid up front.
  • Treat traffic figures as estimates.

The main alternative: Semrush Reviewed by Vetteroo

Its Trustpilot score was about 1.7 out of 5.

What it costs: $117.33/mo yearly or $139 monthly (Pro), checked October 25, 2026

Read our full Semrush review

Pick SimilarwebReviewed by Vetteroo if you…

  • want competitor traffic data.
  • do market research.
  • want the best-known data source.

Pick SemrushReviewed by Vetteroo if you…

  • also need SEO tools.
  • want keyword and site audit data.
  • already use Semrush.

Our take

Similarweb is the best-known source of website traffic estimates, with a free limited version and plans from $125 a month billed yearly. It is expensive, and Trustpilot shows trial billing complaints. Compare Semrush if you also need SEO tools.

Side by side

CompanyBest forStarting price
Similarweb Reviewed by VetterooMarketers and analysts who want competitor traffic estimatesStarter $125/mo billed yearly ($199 monthly), checked October 29, 2026
Semrush Reviewed by VetterooAll-in-one SEO and marketing research$139/mo ($117.33 yearly)

From our company records. Check the official pages for current prices.

What we checked

  • Similarweb's pricing page and terms, read October 29, 2026
  • Similarweb's Trustpilot profile, read October 29, 2026
  • Similarweb's plan prices, via a search of its packages pages (the pages load by script), October 29, 2026
  • Semrush's details: from its own published review (prices checked on the date shown there)
  • The other official pages listed under Sources (links checked October 29, 2026)

Sources

Visit Similarweb’s official site

How we review

We read the company's own terms, test the sign-up or booking steps where we can, and compare it with alternatives. A commission never changes what we write. Read our disclosure.

Disclosure: Some links on this page are affiliate links. If you buy through them, we may earn a commission at no extra cost to you. We only recommend things we believe are useful. Read our full disclosure.