← Comparisons · updated 2026-10-04

MarsGeo vs Sitebulb: crawlers vs generators

Sitebulb crawls whole sites and presents issues visually. MarsGeo generates the markup and checks individual pages. Crawlers find the problems; MarsGeo builds the fixes.

FeatureMarsGeoSitebulb
PriceFree (Pro from $29/mo)Paid licence
Whole-site crawlNo (bulk audit on Pro)Yes — core strength
Schema generatorsYes — 20+ typesNo
robots.txt / sitemapYesAudits only
InstallNoneDesktop app

Where MarsGeo wins

  • Generating schema, robots.txt and sitemaps
  • Instant page checks on any device
  • Free

Where Sitebulb wins

  • Visual whole-site crawling
  • Issue prioritisation
  • Crawl comparisons

Verdict

Sitebulb tells you what is broken across a site; MarsGeo produces the markup and per-page checks. Many SEOs use Sitebulb to find and MarsGeo to fix.

Features and pricing change — check Sitebulb's site for current details.

Try the free tools

Generate schema, robots.txt and sitemaps in seconds — no signup.

Browse all tools