
A free, AI-powered academic search engine for 240M+ papers across every scientific field
A free, AI-powered academic search engine for 240M+ papers across every scientific field
CitableHub records 0 monthly visits with 0% month-over-month growth and Freemium pricing. GrackerAI records 117,207 monthly visits with -6.4% growth and Free Trial, Contact for Pricing pricing.

Get seen by humans and cited by AI — a free, AI-readable software directory
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | citablehub.com | gracker.ai |
| Pricing Model | Freemium | Free Trial, Contact for Pricing |
| Monthly Visits | 0 (0) | 117.21K (117,207) |
| MoM Traffic Delta | 0 (0%) | -7.98K (-6.4%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (12%) |
| Direct Visits / mo | 0 | 43.6K |
| User Rating | 4.1 | 4.1 |
| Supported Platforms | Website | Website |

Get seen by humans and cited by AI — a free, AI-readable software directory
Each project is published as structured JSON-LD and Schema.org data so AI assistants can read, verify and recommend it, plus support for enhancing existing metadata like llms.txt.
The free plan covers up to 2 projects with the Discovery AI engine, your AI-citable profile, a promotion checklist and full analytics; Citation Radar extends you to 6.
A personalised checklist of directories and platforms to submit to, with copy, links and UTM tracking prepared so you can paste and go.
A proprietary score built across five dimensions that rates how likely AI systems are to discover, verify and cite your project, shown publicly on your listing.

AEO & GEO platform for AI search visibility
Track what AI engines say about your brand in real time and roll it into a single AI Visibility Score across every engine.
Discover the prompts buyers actually ask AI engines and watch which competitors appear in the same answers, backed by vertical-tuned prompt sets.
See your site the way AI engines do and get a specific explanation of why your brand is or is not being cited.
Generate and publish AI-optimized content that keeps your brand voice, with WordPress publishing and a Recommendation Engine driving next actions.

A free, AI-powered academic search engine for 240M+ papers across every scientific field
A free, AI-powered academic search engine for 240M+ papers across every scientific field

AI search visibility analytics for marketing teams
AI search visibility analytics for marketing teams
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AI visibility platform to get your brand cited in AI search

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Local SEO software and services for winning the Google map pack

See what AI assistants really say about your brand.
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Track and grow your brand's visibility inside AI answers
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Rank on Google and get cited by AI, on autopilot
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GEO/AEO platform that tracks how AI assistants talk about your brand
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Audit, create and amplify the citations that make AI recommend your brand
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