Similarweb SEO vs Semrush

Similarweb SEO7.1Visit Semrush7.0Visit

Higher score Similarweb SEO #7 in Paid Search Intelligence Software 7.1/10 Pricing on request ✓ 2 of 3 features Visit Similarweb

vs

Semrush #8 in Paid Search Intelligence Software 7.0/10 Free plan · 7-day trial Free planFree trial✓ 1 of 3 features Visit Semrush

• Similarweb SEO fits best

  Teams pairing paid-search research with SEO analysis

• Semrush fits best

  Marketers combining SEO research with paid-channel tools

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	Similarweb SEO 7.1/10 Visit ↗	Semrush 7.0/10 Visit ↗
At a glance
Editor score	7.1	7.0
Ranking	#7 in Paid Search Intelligence Software	#8 in Paid Search Intelligence Software
Best for	Teams pairing paid-search research with SEO analysis	Marketers combining SEO research with paid-channel tools
Pricing model	Paid	Free plan + paid
Starting price	Pricing on request	—
Free plan	Not checked yet	✓ (best)
Free trial	—	7 days
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Docs	Tickets, Docs, Community
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Similarweb SEO 2/3 · Semrush 1/3
Keyword research	✓	✓
Ad copy archive	Not checked yet	Not checked yet
Competitor tracking	✓ (best)	Not checked yet
Specs
Historical ad data	Not checked yet	Not checked yet
Markets covered	Not checked yet	Not checked yet
Search data scope	Not checked yet	Not checked yet
Our review
Pros	Combines organic and paid keyword research with competitor monitoring Supports domain comparison, ranking analysis, and traffic trend review Serves marketers, SEO professionals, and agencies across company sizes	Keyword, competitor, rank-tracking, site-audit, and backlink tools Integrates with Google Ads, Microsoft Ads, and other marketing platforms Free plan plus paid tiers with API access and deeper SEO features
Cons	Pricing is handled through commercial plans rather than published as a set price Paid-search analysis is one part of a broader SEO and search intelligence product The listed support channel is documentation	Paid-search ad monitoring is not a central listed capability Free access is limited to one demo project and 10 reports per day Paid plans mix SEO and AI visibility tools rather than focusing on paid search
Our verdict	Similarweb SEO brings together website and search research for marketers, SEO professionals, and agencies. Its scope covers organic and paid keywords, competitor activity, keyword rankings and visibility, search traffic trends, and domain… Read the review →	Semrush is a cloud-based marketing platform for freelancers, businesses, agencies, and larger organizations. Its strongest fit is marketers who need keyword research, competitor analysis, rank tracking, technical site audits, backlink… Read the review →

Strengths and trade-offs

• Similarweb SEO — where it wins

  • Combines organic and paid keyword research with competitor monitoring
  • Supports domain comparison, ranking analysis, and traffic trend review
  • Serves marketers, SEO professionals, and agencies across company sizes

  Where it doesn't

  • Pricing is handled through commercial plans rather than published as a set price
  • Paid-search analysis is one part of a broader SEO and search intelligence product
  • The listed support channel is documentation

• Semrush — where it wins

  • Keyword, competitor, rank-tracking, site-audit, and backlink tools
  • Integrates with Google Ads, Microsoft Ads, and other marketing platforms
  • Free plan plus paid tiers with API access and deeper SEO features

  Where it doesn't

  • Paid-search ad monitoring is not a central listed capability
  • Free access is limited to one demo project and 10 reports per day
  • Paid plans mix SEO and AI visibility tools rather than focusing on paid search

• Similarweb SEO7.1/10 · Pricing on request

  Pairs paid-search competitor monitoring with keyword, visibility, and traffic analysis.

  Visit SimilarwebFull verdict →
• Semrush7.0/10 · Free plan · 7-day trial

  Broad SEO and competitor research, with paid search as a supporting capability.

  Visit SemrushFull verdict →