FlexQueries vs ExtractKeywords

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

FlexQueries compared with ExtractKeywords
Detail	FlexQueries	ExtractKeywords
What it does	The $0/mo SEO tool for keyword research, backlinks, rankings, competitors, site health, and AI visibility	Free online keyword extraction tool for text and URLs with instant results, no signup required
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Not given	Freemium
Pricing	No monthly subscription. Eligible new accounts receive $1.00 free. Credits start at $5 when adding funds. Individual action prices: Keyword searches $0.15 per search (225-row result limit), Backlink checks $0.20 (one year history), AI brand checks $3.05 per run (ChatGPT and Google), AI visibility ru	Free plan: Text and URL keyword extraction up to 10,000 characters per submission. Pro plan: $9.99 per month or $99 per year; includes 50,000 character limit for Text and URL extraction and AI-powered semantic extraction up to 20,000 characters per request.
Key features	Keyword research with volume, difficulty, intent, and CPC data SERP history checker to compare ranking changes over up to 12 months Competitor research with keyword gap analysis Competitor Watch with capped weekly checks and spending controls Backlink analysis with DR score and referring domains Site audit with technical checks and Lighthouse performance scores Rank tracking by market and device with weekly, daily, or manual checks AI visibility monitoring across ChatGPT, Google, Perplexity, and Claude REST API with no monthly access fee and scoped authorization keys	Word frequency analysis and keyword density calculation Stop-word filtering to remove common words Multi-word phrase detection (bigrams and trigrams) Text and URL extraction modes Download results as CSV file Copy results to clipboard Filter results by keyword type (1-word, 2-word, 3-word phrases) AI-powered semantic extraction for Pro users URL extraction respects robots.txt directives No account or signup required for free features
What makes it different	No monthly subscription or per-seat fees with pay-as-you-go pricing model Prepaid balance never expires with no automatic charges or overages AI agent integration through MCP for Claude, Codex, and other clients Free workflow organization and reporting with no credits required for saved data	Completely free with no signup, credit card, or account required Privacy-first approach with no cookies, tracking, or data retention Supports multi-word phrases (bigrams and trigrams) for comprehensive keyword analysis Works with publicly accessible URLs without manual copy-paste Results available instantly with multiple export and filtering options
Community votes	0	0
DR (Domain Rating by Ahrefs)	12 −1 (down) since last check	9 no change since last check
Trust Flow (Majestic)	7	4
Citation Flow (Majestic)	32	14
Referring domains (Majestic)	30	34

4 details filled in for both companies.

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