Does Similarweb have a free plan?

No free plan is listed on the vendor's pricing page. Similarweb is sold on a quote basis.

What are the closest alternatives to Similarweb?

In the same category we track SEMrush and Moz. Each has its own review page with verified pricing, and the comparison links above show them side by side.

What are the main drawbacks of Similarweb?

The trade-offs we noted: Estimates, not measurements — accuracy varies; Expensive for full access; Small sites have unreliable data.

When should you not use Similarweb?

Skip Similarweb if: You need a price to compare — Similarweb publishes none for its business packages; You expect the free data to be enough: the vendor calls it a high-level sample without deeper drill-downs; You want a self-serve monthly plan; the main route is contacting sales.

Marketing

Similarweb

Traffic and market intelligence.

What it is

Similarweb estimates website traffic, referral sources and audience overlap for any domain. It is one of the few ways to size a competitor you have no access to, which is why it is used in market research and pitch work. Everything it reports is an estimate from panel and clickstream modelling, so treat the direction and the ratios as the signal, not the absolute numbers.

Similarweb pricing

Similarweb does not publish a plan ladder we could verify. Custom pricing — quote required.

Prices read from the vendor's own pricing page on 2026-09-07. Vendors change plans without notice — check the source before you budget.

Key features

Traffic estimates
Models visits, engagement and growth for domains you do not own.
Traffic sources
Splits estimated traffic across search, referral, social and direct.
Audience overlap
Shows which other sites a domain's visitors also use.

Strengths and trade-offs

What works well

Competitive traffic estimates in one place
Channel breakdown and referrers
Useful for market sizing

Where it falls short

Estimates, not measurements — accuracy varies
Expensive for full access
Small sites have unreliable data

Who it is for

Marketing and strategy teams sizing competitors and markets.

Pick it or skip it

Pick Similarweb if

Competitive traffic and market research at agency or enterprise scale
Teams that want a sales conversation rather than a self-serve tier
Starting with the free tools before committing

Skip it if

You need a price to compare — Similarweb publishes none for its business packages
You expect the free data to be enough: the vendor calls it a high-level sample without deeper drill-downs
You want a self-serve monthly plan; the main route is contacting sales

Our verdict

Treat the numbers as directional. For small sites the error bars swallow the signal.

Closest alternatives we track

Same category, ordered by verified starting price.

Frequently asked questions

Does Similarweb have a free plan?: No free plan is listed on the vendor's pricing page. Similarweb is sold on a quote basis.
Who is Similarweb best for?: Marketing and strategy teams sizing competitors and markets.
What are the closest alternatives to Similarweb?: In the same category we track SEMrush and Moz. Each has its own review page with verified pricing, and the comparison links above show them side by side.
What are the main drawbacks of Similarweb?: The trade-offs we noted: Estimates, not measurements — accuracy varies; Expensive for full access; Small sites have unreliable data.
When should you not use Similarweb?: Skip Similarweb if: You need a price to compare — Similarweb publishes none for its business packages; You expect the free data to be enough: the vendor calls it a high-level sample without deeper drill-downs; You want a self-serve monthly plan; the main route is contacting sales.

What we checked

Public APIOffers a documented API you can build against.Yes
Mobile appHas a native app for iOS or Android, not just a mobile website.No
Open source / self-hostableSource is open and the tool can be run on your own infrastructure.No
SSO (SAML)Supports SAML single sign-on on at least one plan.Yes

“Not checked” means exactly that — we have not verified it, and we do not guess.

Evidence and freshness

Status: Source listed, figures not recordedReviewed: 2026-09-07

Similarweb — Pricing ↗
Checked 2026-09-07 · Supports: business and enterprise packages are quoted by the sales team, no published prices, free data on similarweb.com is a high-level sample with a limited feature set and no deeper drill-downs, free trial and self-service packages are mentioned for entrepreneurs and small teams

Limit: Similarweb publishes no figures on its pricing page, so none are claimed here.

Compare Similarweb with alternatives

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