Screaming Frog SEO Spider vs Sitebulb

Both are desktop crawlers used for technical SEO audits. Screaming Frog gives you raw data and total control; Sitebulb interprets the data for you.

At a glance

Feature	Screaming Frog SEO Spider Freemium	Sitebulb Free trial
Best for	Technical SEOs who want maximum control over audits.	Consultants and agencies who present audits to clients.
Pricing	Free up to 500 URLs per crawl. Paid annual licence removes the limit.	Paid desktop and cloud plans with a free trial.
Platforms	Desktop (Windows, macOS, Linux)	Desktop & Cloud
Covers	Technical SEO crawlers, SEO audit tools	Technical SEO crawlers, SEO audit tools
Key features	Full site crawl JavaScript rendering Custom extraction Crawl comparison GA, GSC & PSI integrations	Prioritised audit hints Visual crawl maps JavaScript rendering Accessibility checks Cloud crawling
Strengths	Extremely flexible Generous free version Low cost licence	Explains every issue clearly Great visualisations Client-ready reports
Weaknesses	Steep learning curve Large crawls need a strong computer	No free version Less raw flexibility than Screaming Frog

Choose Screaming Frog SEO Spider if…

You are comfortable with technical SEO and want maximum flexibility, custom extraction and the lowest cost.

Full review Visit site

Choose Sitebulb if…

You want prioritised, explained issues and visual reports you can show to clients.

Full review Visit site

Our verdict

Many technical SEOs own both. Start with the free version of Screaming Frog; if you find yourself spending hours turning crawl data into client reports, Sitebulb pays for itself.

Features and pricing change often. Check both vendors' websites for current plans before you buy.