
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. Surfer records 249,599 monthly visits with -29.3% growth and 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 | surferseo.com |
| Pricing Model | Freemium | Paid, Contact for Pricing |
| Monthly Visits | 0 (0) | 249.6K (249,599) |
| MoM Traffic Delta | 0 (0%) | -103.59K (-29.3%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (30.2%) |
| Direct Visits / mo | 0 | 145.79K |
| User Rating | 4.1 | 4.4 |
| 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.
AI visibility platform to get your brand cited in AI search
Run the prompts your buyers ask across ChatGPT, Gemini, Perplexity, Google AI Mode, and AI Overviews, and see a visibility score, mention rate, and average position by brand, topic, and model.
See every domain and URL the AI answers cite, how often they appear, and whether they mention your brand, so you can target the sources that actually shape answers.
Draft and optimize articles in a guided editor built to earn citations in AI answers and rankings in Google, with content audit and topical map support.
Find the questions your audience asks AI and Google, and spot weak pages and content gaps worth fixing or rebuilding.

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

Provides robust AI search analytics and sentiment tracking in generative assistants, but offers less granular page-level optimization.
Provides robust AI search analytics and sentiment tracking in generative assistants, but offers less granular page-level optimization.

SpecialistAI Search Visibility Platform for GEO & AEO

AI SEO manager that tracks rankings and AI answers, then does the work
AI SEO manager that tracks rankings and AI answers, then does the work

SpecialistAI SEO agents that rank on Google and get cited by AI chatbots
SpecialistAI SEO agents that rank on Google and get cited by AI chatbots

Stronger dedicated focus on tracking brand mentions across conversational search engines, but lacks Surfer's broader content optimization workflows.
Stronger dedicated focus on tracking brand mentions across conversational search engines, but lacks Surfer's broader content optimization workflows.

Specializes in AEO brand visibility tracking across major AI engines, though with fewer traditional SEO writing assistant features.
Specializes in AEO brand visibility tracking across major AI engines, though with fewer traditional SEO writing assistant features.

Local SEO software and services for winning the Google map pack

Effective brand reputation and visibility monitoring across multiple LLMs, though lacking traditional keyword research toolsets.
Effective brand reputation and visibility monitoring across multiple LLMs, though lacking traditional keyword research toolsets.

Combines AI search visibility tracking across Google and LLMs with content optimization tools, but carries a different interface.
Combines AI search visibility tracking across Google and LLMs with content optimization tools, but carries a different interface.

SpecialistTrack and grow your brand visibility inside AI search engines
SpecialistTrack and grow your brand visibility inside AI search engines

Track and grow your brand's visibility inside AI answers
Track and grow your brand's visibility inside AI answers