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Compare: Rank Math vs SpyFu
A side-by-side analysis to help you find the right tool.
Rank Math
Freemium
(Free)
Free version is very full-featured
View Details
SpyFu
Paid
(Under $50/mo)
Limited free searches available; 30-day money-back guarantee
View Details
Key Differences
Pricing Model
Rank Math
Freemium
SpyFu
Paid
Budget Tier
Rank Math
Free
SpyFu
Under $50/mo
Free Trial
Rank Math
Free version is very full-featured
SpyFu
Limited free searches available; 30-day money-back guarantee
Business Type Fit
Rank Math
B2B, B2C, D2C / E-commerce
SpyFu
B2B, B2C, Agency
Best For
Rank Math
WordPress site owners wanting a feature-rich free SEO plugin with more built-in features than Yoast
SpyFu
Teams wanting competitor PPC + SEO keyword overlap research
Pros
Rank Math
Free version includes features Yoast charges for (redirects, multiple focus keywords, schema types)
faster-growing market share
more modern UI
SpyFu
Excellent for seeing a competitor's entire organic AND paid keyword history side by side
affordable
historical ad data goes back years
Cons
Rank Math
Newer with a shorter track record than Yoast
some advanced features require paid tiers
migrating from Yoast can be nerve-wracking (though both have migration tools)
SpyFu
Backlink data is weak compared to Ahrefs/Semrush
site audit is basic
primarily useful for competitor research rather than managing your own SEO
What They Share
