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SpyFu

SEO Software

Competitor keyword research and PPC intelligence

Founded 2005Scottsdale, AZ, USAsubscriptionFrom $39/month (Basic plan, annual billing)Verified · Sep 2026
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About SpyFu

SpyFu is a competitive intelligence tool for SEO and PPC, showing marketers which keywords competitors rank for and bid on — including historical ad copy and organic ranking data.

Editorial Assessment

SpyFu is a Scottsdale, Arizona-based competitive intelligence tool founded in 2006, focused specifically on Google Ads and organic search competitor research. The platform's core value proposition is revealing what keywords any competitor is bidding on in Google Ads and ranking for organically in search — allowing marketers and SEO agencies to essentially reverse-engineer a competitor's entire paid and organic search strategy. SpyFu's database covers 109 million domains and 7 billion keywords across Google US, UK, Canada, Australia, and Germany, with historical data going back over a decade. This historical depth is one of SpyFu's strongest differentiators — users can see not just what a competitor does today but what keywords they tried, abandoned, and returned to over many years, surfacing failed experiments before repeating them. The most-used features are the Competitor Research module (entering any domain to see their paid keywords, estimated ad spend, and organic rankings), the Kombat tool (identifying keyword overlap and gaps between up to three competing domains), and the PPC Ad History tool (seeing the exact ad copy a competitor has run for any keyword over time). SpyFu is distinctly positioned as an affordable, PPC-focused alternative to Semrush and Ahrefs — its pricing starts at $39/month and it does not include technical site audit, backlink analysis depth, or content research capabilities that those broader platforms offer. Agencies doing PPC research and SMBs wanting to understand what competitors spend on Google Ads often find SpyFu's narrow focus and lower price a better fit than paying for full-suite SEO platforms. The platform's data accuracy and keyword database size are its primary criticisms — Semrush and Ahrefs have larger keyword indices and generally more accurate traffic estimates.

Strengths
  • Over 10 years of keyword and ad history data — see what competitors tried and abandoned, not just current strategy
  • PPC Ad History reveals exact Google ad copy competitors have run for any keyword over time
  • Kombat tool instantly identifies keyword overlap and gaps between up to three domains
  • Pricing starts at $39/month — among the most affordable competitive intelligence tools available
  • Covers 109M domains and 7B keywords across US, UK, Canada, Australia, and Germany
Limitations
  • Keyword database smaller than Semrush and Ahrefs — some niche and long-tail keywords missing
  • Traffic volume estimates are approximations — less accurate than Semrush for precise budget planning
  • No technical site audit, crawl, or backlink analysis depth comparable to Ahrefs
  • UI feels dated compared to modern competitors and can be harder to navigate for new users

Best For

PPC managers and Google Ads specialists researching competitor bidding strategies SEO professionals doing quick competitive keyword research at a lower cost than Semrush Agencies needing to audit a new client's competitive search landscape before pitching

Not Ideal For

Teams needing deep technical SEO auditing, log file analysis, or comprehensive backlink researchContent teams looking for topic cluster planning or content gap analysis at Semrush's depthEnterprise SEO teams requiring very high-volume accurate traffic data for budget modeling

Key Features

Competitor keyword research — see every keyword any domain ranks for organically and in adsPPC Ad History — view historical Google ad copy for any keywordKombat — identify keyword overlap and gaps between up to three competing domainsDomain overview with estimated monthly clicks, SEO value, and ad spendGoogle Ads advisor with recommended keywords based on competitor dataBacklink research (limited vs. Ahrefs)Rank tracking for owned domains

Who It's For

PPC specialists and Google Ads managers at agenciesIn-house marketing teams at SMBs and mid-market companiesSEO freelancers and consultants doing competitive analysisFounders benchmarking themselves against direct competitors

Platforms

Web

Founders

  • Mike Roberts

Products & Tools

SpyFu Competitor ResearchCompetitive Intelligence
Visit

Competitive intelligence for Google Ads and organic SEO — see competitor keywords, ad copy history, and search strategy over 10+ years.

subscriptionFrom $39/month
Competitor keyword researchPPC Ad HistoryKombat overlap toolDomain overviewRank tracking

Sources & Verification

Last reviewed September 2026

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Tags

Competitor ResearchSEOPPCKeyword Research

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Official Website

spyfu.com

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