Compare software

Netpeak Spider vs Sitebulb: catalog facts
Netpeak Spider	Sitebulb
Paid Commercial software with a free trial.	Paid Paid subscription with a free trial.
Windows, macOS	Web
Dedicated crawler for technical SEO audits Runs as a desktop application	Prioritised hints with built-in explanations JavaScript crawling included
Paid after the trial Closed source	Paid after the trial Desktop crawls capped at 500,000 URLs per audit
Downloadable app	Downloadable app, Hosted service
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.