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Best Free AI Visibility Checkers

The best free AI visibility checkers give any brand a fast baseline of how ChatGPT, Perplexity, and Google AI Overviews describe them.

Last updated: Written by CompareNow.ai EditorialReviewed by CompareNow.ai Research TeamMethodologyEditorial policy
Quick Verdict

Top pick: HubSpot AI Search Grader - Marketers wanting a free AI visibility baseline. Runner-up: Profound Free Snapshot.

#1 · Best for Marketers wanting a free AI visibility baseline

HubSpot AI Search Grader

Free brand grader for AI search

Tool4.6

HubSpot's AI Search Grader is a free tool that scores how your brand appears in ChatGPT and Perplexity for a set of prompts, benchmarks share of voice against competitors, and returns actionable next steps.

Best for
Best for: Marketers wanting a free AI visibility baseline
Starting price: Free
Key features
Brand graderShare of voiceCompetitor benchmarkFree report
Pros
  • Truly free
  • Backed by HubSpot
  • Fast baseline
Cons
  • Limited depth
  • No ongoing tracking
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#2 · Best for Teams evaluating enterprise AI visibility tools

Profound Free Snapshot

Free AI visibility snapshot from Profound

Tool4.5

Profound offers a free AI visibility snapshot showing how ChatGPT, Perplexity, and Google AI Overviews describe your brand for a handful of prompts before upgrading to the paid platform.

Best for
Best for: Teams evaluating enterprise AI visibility tools
Starting price: Free
Key features
Free snapshotPrompt sampleBrand mentions
Pros
  • Same data model as paid Profound
  • Multi-engine
Cons
  • Snapshot only, not continuous
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#3 · Best for SEO teams starting AI visibility monitoring

Otterly AI Free Check

Free AI answer engine visibility check

Tool4.5

Otterly AI's free tier lets you check a small number of prompts across major AI answer engines and see whether your brand is mentioned, cited, or missing.

Best for
Best for: SEO teams starting AI visibility monitoring
Starting price: Free tier
Key features
Free tierPrompt samplingBrand mention check
Pros
  • Freemium onboarding
  • Multi-engine
  • Fast setup
Cons
  • Prompt limits
  • Upgrade needed for tracking
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#4 · Best for Content teams auditing individual pages

Rankability GEO Score

Free GEO readiness score for any URL

Tool4.4

Rankability's free GEO Score analyzes a URL against LLM-friendly content signals - answer-first structure, entities, schema, and citation-worthiness - and returns a score plus recommendations.

Best for
Best for: Content teams auditing individual pages
Starting price: Free
Key features
URL scoringContent recommendationsEntity checks
Pros
  • Instant results
  • No signup for basic check
Cons
  • Page-level, not site-wide
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#5 · Best for Brands building entity authority for LLMs

Kalicube Brand Check

Free brand knowledge panel & entity check

Tool4.5

Kalicube's free brand check reviews how Google and AI systems understand your brand as an entity, flagging knowledge panel gaps that hurt LLM citations.

Best for
Best for: Brands building entity authority for LLMs
Starting price: Free
Key features
Entity checkKnowledge panel auditBrand SERP review
Pros
  • Entity-first framework
  • Founder-led methodology
Cons
  • Entity-focused, not prompt tracking
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#6 · Best for Content marketers exploring AI answer share

Writesonic AI Visibility Checker

Free brand mention checker for AI answers

Tool4.3

Writesonic's free AI visibility checker runs prompts across ChatGPT, Gemini, and Perplexity to see whether your brand is mentioned and where competitors show up first.

Best for
Best for: Content marketers exploring AI answer share
Starting price: Free
Key features
Free checkPrompt runnerCompetitor sightings
Pros
  • Free
  • Simple UI
Cons
  • Limited depth vs paid platforms
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Feature comparison

NameTypeBest ForChatGPTPerplexityGeminiClaudeGoogle AI OverviewsPricingRating
HubSpot AI Search GraderToolMarketers wanting a free AI visibility baselineFree4.6View
Profound Free SnapshotToolTeams evaluating enterprise AI visibility toolsFree4.5View
Otterly AI Free CheckToolSEO teams starting AI visibility monitoringFree tier4.5View
Rankability GEO ScoreToolContent teams auditing individual pagesFree4.4View
Kalicube Brand CheckToolBrands building entity authority for LLMsFree4.5View
Writesonic AI Visibility CheckerToolContent marketers exploring AI answer shareFree4.3View

How to choose

Match engine coverage to your priority AI answer channels, and weight execution capacity against internal team bandwidth.

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Frequently Asked Questions

>What is the best of Free AI Visibility Checkers?

HubSpot AI Search Grader - Marketers wanting a free AI visibility baseline.

>How was this ranking built?

Editorial evaluation weighted against buyer feedback, feature depth, AI engine coverage, and pricing transparency.

>Are these rankings sponsored?

No. Sponsored placements are always labeled separately from editorial rankings.