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Compare: Screaming Frog SEO Spider vs Semrush
A side-by-side analysis to help you find the right tool.
Screaming Frog SEO Spider
Free
(Under $50/mo)
Free version crawls up to 500 URLs with core features
View Details
Semrush
Top Pick
Free
($50–$200/mo)
Yes (7-day free trial of Pro/Guru); limited free plan available permanently
View Details
Key Differences
Budget Tier
Screaming Frog SEO Spider
Under $50/mo
Semrush
$50–$200/mo
Free Trial
Screaming Frog SEO Spider
Free version crawls up to 500 URLs with core features
Semrush
Yes (7-day free trial of Pro/Guru); limited free plan available permanently
Company Size Fit
Screaming Frog SEO Spider
Solo / Freelancer, Small Team (2–20), Mid-Market (20–200), Enterprise (200+)
Semrush
Small Team (2–20), Mid-Market (20–200), Enterprise (200+)
Business Type Fit
Screaming Frog SEO Spider
B2B, B2C, Agency
Semrush
B2B, B2C, D2C / E-commerce, Agency
Best For
Screaming Frog SEO Spider
Technical SEO audits and crawling
Semrush
All-in-one SEO + broader digital marketing (PPC, content, social) research
Pros
Screaming Frog SEO Spider
Industry-standard desktop crawler
extremely flexible crawl configuration
free version is genuinely useful for small sites
desktop-based so no recurring cloud fees for basic use
Semrush
Broadest feature set of any SEO tool (SEO + PPC + content + social + local in one)
strong competitive intelligence across both organic and paid
generous database sizes
Cons
Screaming Frog SEO Spider
Desktop-only (no cloud/SaaS version)
UI is functional but dated
learning curve for non-technical users
large site crawls require significant local RAM
Semrush
UI can feel overwhelming/cluttered due to feature sprawl
expensive per-user seats
some modules (social, content) are shallower than dedicated point solutions
What They Share
