Decision guide · Reviewed Sep 23, 2026 · AI SEO & Content Optimization, AI Keyword Research & Topic Clustering

Keywords Everywhere
77.5
Semrush
78Choose Keywords Everywhere when you need marketers, creators, and online merchants looking for immediate keyword search volume, CPC metrics, and SERP insights right inside their browser and LLM prompts. Choose Semrush when you need marketing teams and agencies looking to research keywords, monitor competitor traffic, and track brand citations across search engines and AI models.
At a glance
The practical differences
| Decision factor | Keywords Everywhere | Semrush |
|---|---|---|
| Best for | marketers, creators, and online merchants looking for immediate keyword search volume, CPC metrics, and SERP insights right inside their browser and LLM prompts | marketing teams and agencies looking to research keywords, monitor competitor traffic, and track brand citations across search engines and AI models |
| Not ideal for | teams needing native Safari or mobile support, or enterprise marketers seeking automated technical site audit crawlers | budget-constrained solopreneurs needing simple free keyword checkers or standalone copywriting assistants |
| Pricing | At the review date (2026-09-08), basic browser features, link metrics, and AI prompts are free with no credit card required. Search volume, CPC, competition data, and historical trends require purchasing annual credit plans; specific pricing tiers are not detailed on the reviewed homepage and should be confirmed on the official pricing page. | At the review date in September 2026, Semrush plans range from $117.33 to $455.67 per month billed annually (or $139 to $549 billed monthly). Custom Enterprise plans and add-ons for additional users or reporting are also available. Verify current rates on the official pricing page. |
| Key difference | Unlike standalone SEO suites that require separate web apps, it overlays search volume, competitor metrics, and AI prompts directly inside Google, YouTube, Amazon, and AI chat interfaces, complete with an MCP server connection for coding editors. | Semrush combines an extensive database of 28 billion keywords and 43 trillion backlinks with prompt-level AI visibility tracking and direct integration into AI assistants through Semrush MCP. |
| Overall rank | #142 | #120 |
| Review verdict | Keywords Everywhere suits SEO consultants, content creators, and e-commerce sellers who want ambient keyword volume and competitive data without opening a dedicated SEO dashboard. It is less suitable for users looking for automated site-wide crawls or those who conduct research exclusively in Safari or on mobile devices. | Semrush is best suited for SEO professionals, content teams, and digital agencies requiring exhaustive search analytics, competitor traffic data, and tracking across AI answer engines. It is less suitable for solopreneurs or small teams seeking low-cost, lightweight tools or purely generative writing software. |
Semrush score factors
Keywords Everywhere strengths
- Seamless in-browser workflow across Google, YouTube, Amazon, and social media platforms
- MCP server support allows integration with developer and AI tools like Cursor and VS Code
- Generous free tier including prompt libraries, traffic estimates, and Moz link metrics
- Transparent privacy model where keyword inputs are not stored beyond fetching metrics
Semrush strengths
- Extensive database spanning over 28 billion keywords, 43 trillion backlinks, and 808 million domain profiles.
- Integrated tools for both traditional search engine optimization and emerging AI search visibility.
- Dedicated clickstream and AI traffic channel tracking with historical data going back to 2017.
- Direct integration into AI assistants and workflows via Semrush MCP and API.
Frequently asked
Keywords Everywhere vs Semrush
Should I choose Keywords Everywhere or Semrush?+
Choose Keywords Everywhere when you need marketers, creators, and online merchants looking for immediate keyword search volume, CPC metrics, and SERP insights right inside their browser and LLM prompts. Choose Semrush when you need marketing teams and agencies looking to research keywords, monitor competitor traffic, and track brand citations across search engines and AI models. ToolsRank scores Keywords Everywhere 77.5 and Semrush 78; the gap reflects editorial quality, utility, trust, and freshness, not popularity or payment.
Is Keywords Everywhere cheaper than Semrush?+
Keywords Everywhere: At the review date (2026-09-08), basic browser features, link metrics, and AI prompts are free with no credit card required. Search volume, CPC, competition data, and historical trends require purchasing annual credit plans; specific pricing tiers are not detailed on the reviewed homepage and should be confirmed on the official pricing page. Semrush: At the review date in September 2026, Semrush plans range from $117.33 to $455.67 per month billed annually (or $139 to $549 billed monthly). Custom Enterprise plans and add-ons for additional users or reporting are also available. Verify current rates on the official pricing page. Compare the plan you would actually use and verify current prices on each vendor's pricing page before purchasing.
Which is better for ai seo & content optimization?+
Semrush currently scores higher for ai seo & content optimization work. Keywords Everywhere remains the stronger pick when your priority is marketers, creators, and online merchants looking for immediate keyword search volume, CPC metrics, and SERP insights right inside their browser and LLM prompts. Avoid Semrush if you are budget-constrained solopreneurs needing simple free keyword checkers or standalone copywriting assistants.
Can I use Keywords Everywhere and Semrush together?+
Yes. Keywords Everywhere stands out for unlike standalone SEO suites that require separate web apps, it overlays search volume, competitor metrics, and AI prompts directly inside Google, YouTube, Amazon, and AI chat interfaces, complete with an MCP server connection for coding editors. Semrush stands out for semrush combines an extensive database of 28 billion keywords and 43 trillion backlinks with prompt-level AI visibility tracking and direct integration into AI assistants through Semrush MCP. Pairing them makes sense when one workflow needs both strengths; otherwise pick the tool that matches your primary job.