Verdict
Choose Screaming Frog SEO Spider when
- Technical SEO matters to you. Excellent technical SEO crawling and diagnostics.
- 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.
Verdict
Choose Semji when
- Content execution matters to you. Very strong AI-assisted drafting, optimization, brand voice, knowledge grounding, and reusable agents.
- AI-search / GEO matters to you. Dedicated GEO visibility monitoring, citation/source analysis, competitive benchmarking, and recommendations are documented.
- GEO readiness matters to you. GEO is integrated with planning, Atomic Content, AI Knowledge, and measurement rather than being only a report.
- Context gathering matters to you. Strong first-party and competitive context through internal knowledge, SERPs, competitors, and analytics/search data.
Read the full reviews: Screaming Frog SEO Spider and Semji.