
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. First Answer records 3,482 monthly visits with +18.9% growth and Free Trial, Paid, Contact for Pricing pricing.

Get seen by humans and cited by AI — a free, AI-readable software directory
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | citablehub.com | firstanswer.ai |
| Pricing Model | Freemium | Free Trial, Paid, Contact for Pricing |
| Monthly Visits | 0 (0) | 3.48K (3,482) |
| MoM Traffic Delta | 0 (0%) | +554 (+18.9%) |
| Primary Market & Share | 🌐 Global (—) | 🇧🇷 Brazil (85.3%) |
| Direct Visits / mo | 0 | 1.44K |
| 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.

Track and improve how AI assistants describe and recommend your brand
Define the prompts that matter to your business and track how ChatGPT, Gemini, Claude, Copilot, Perplexity, Grok and Google AI Overviews answer them over time.
See how often your brand appears versus competitors, where in the answer you are mentioned and how positively AI describes you.
Discover which domains, pages and publications the models reference in your category to find the content gaps worth filling.
Track which AI bots visit your site, how frequently and which pages they read, closing the loop between publishing and AI visibility.

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

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