Verdict
Choose Oncrawl when
- AI-search / GEO matters to you. AI Search Lens explicitly measures AI-bot crawling, citation visibility, clicks, coverage and opportunities from real logs.
- Context gathering matters to you. Brings together crawl, log, rankings, analytics, backlinks and custom/third-party data for contextual analysis.
- GEO readiness matters to you. AI visibility and Content Lens support modern search readiness, intent coverage, semantic completeness and structured-data correlation; no evidence of direct optimization deployment.
- Measurement & tracking matters to you. Tracks crawl/log/ranking/traffic changes, historical data, bot behavior, alerts and visibility over time.
Verdict
Choose Screaming Frog SEO Spider when
- Free tools matters to you. Useful free crawl tier for smaller sites.
- Value accessibility matters to you. Strong value for technical SEOs.
- Estimated customer scale matters to you. Public site describes thousands of users worldwide.
Read the full reviews: Oncrawl and Screaming Frog SEO Spider.