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Compare 오픈타임 vs RankScience, LLC

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오픈타임

SEO & Organic Growth Website

Open Time is a specialized GEO and AI search optimization agency based in Busan, South Korea. They help Korean professionals and B2B service companies achieve accurate discovery and citation in global AI search environments like ChatGPT, Perplexity, and Naver AI Briefing using their proprietary K-GEO methodology.

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Winner

RankScience, LLC

SEO & Organic Growth Website

RankScience is the SEO and AI search optimization agency built for B2B, SaaS, e-commerce and local service businesses that need measurable ROI from organic growth.

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Feature Comparison

Attribute	오픈타임	RankScience, LLC
Category	SEO & Organic Growth	SEO & Organic Growth
Rating		Winner +0.1 higher
Location	Busan, Busan, South Korea	San Francisco, California, United States
Services	AI Search Optimization LLM optimization Branding Brand Strategy SEO Backlink Management SEO Consulting Search Engine Marketing Wordpress SEO Content Marketing Content Strategy Link Building	AI Search Optimization LLM optimization Branding Brand Strategy SEO Backlink Management SEO Consulting Search Engine Marketing Wordpress SEO Content Marketing Content Strategy Link Building
Industries	B2B Services Health & Wellness Healthcare & Hospital	B2B Services Ecommerce Health & Wellness
Pros	Over 200 SEO and digital marketing projects experience Covers both global AI engines (ChatGPT, Perplexity, Gemini, Grok, Claude) and Naver	Proven track record with notable clients including Zapier, Calm, and Rippling Combines traditional technical SEO with modern AI visibility strategies for dual-channel
Cons	Small team of 1-9 may limit capacity for large-scale projects Relatively new agency (founded 2023) with limited public client reviews	Budget range ($1,000-$5,000) may be too low for enterprise-level engagements requiring
Website	Visit Site	Visit Site

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