SpyFu

Competitor keyword research for SEO and Google Ads, showing rivals' ranking keywords and ad history.

Verified facts: 3 of 3
Alternatives ranked: 4
Approved reviews: 0
Visits sent from here: 0

About SpyFu

SpyFu specialises in competitor research. Enter a domain and it shows the keywords that site ranks for organically, the keywords it buys on Google Ads, its ad copy history going back years, estimated clicks and spend, and its top competitors, which makes it a favourite of PPC managers as well as SEOs. It also offers keyword research, rank tracking, backlink outreach lists, a newer AI-assisted site audit and white-label reports. It is aimed at small agencies, freelancers and marketers who want competitive data cheaply. Plans are billed monthly or annually, and a limited free search is available on the site. Its data is strongest for the US and a few other English-speaking markets; outside those, coverage drops off, and it lacks the depth of technical SEO tools found in larger suites. It runs in the browser.

Best for: PPC and SEO marketers researching what competitors rank for and bid on.

What works

Combines organic and Google Ads competitor data
Long history of competitors' ads and keywords
Affordable with generous search limits

Why people leave

Data strongest in the US, weaker elsewhere
Lighter technical SEO features

Top SpyFu alternatives

See all 4

1
Semrush
Broader suite with both PPC and SEO competitor research worldwide.
66.5
2
Similarweb
Market-level traffic and channel data for competitive analysis.
62.6
3
Serpstat
Budget suite that also covers PPC keyword research.
59.6
4
Ahrefs
Stronger organic and backlink data across more countries.
57.2

Why people left SpyFu

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SpyFu: common questions

Is SpyFu free?

No, SpyFu is a paid product.

Is SpyFu open source?

No, SpyFu is not open source.

What platforms does SpyFu run on?

SpyFu is available for Web.

What are the best alternatives to SpyFu?

The highest-ranked SpyFu alternatives right now are Semrush, Similarweb and Serpstat. See the full ranked list for pricing, platforms and verified facts.

See all 4 SpyFu alternatives

SpyFu facts

3 of 3 verified

Focus: Competitor keywords for SEO and Google Ads; Checked Oct 25, 2026spyfu.com(opens source in a new tab); “SpyFu - Competitor Keyword Research Tools for Google Ads PPC & SEO”
Site audit: AI-powered; Checked Oct 25, 2026spyfu.com(opens source in a new tab); “New AI-powered site audit Turn site issues into fixes you can review and publish instantly.”
Competitor downloads: Rivals' keywords and ads; Checked Oct 25, 2026spyfu.com(opens source in a new tab); “Download your Competitors' most profitable keywords & ads Learn from their mistakes without suffering them yourself.”