# TrustSEO > TrustSEO (trustseo.me) tracks whether AI assistants — ChatGPT, Claude, > Perplexity and Gemini — mention and recommend your brand when buyers ask > for recommendations. It scores your AI search visibility, audits whether > AI crawlers can read your site, and ships 35+ free SEO tools. Pricing: Free (35+ SEO tools, 2 AI-readiness site audits/month). Pro: $29/month — 50 tracked prompts, 250 AI responses/month across 4 engines, daily automatic tracking, competitor rank matrix, cited-source analysis, AI page inspector and 10 AI-written articles a month. ## Key pages - [Home](https://trustseo.me/): what TrustSEO does, pricing, FAQ - [Free instant SEO audit](https://trustseo.me/free-seo-audit): 0–100 AI-readiness score for any site, no signup - [SEO & AI visibility playbook](https://trustseo.me/seo-playbook): the operating manual for getting recommended by AI - [Free SEO tools](https://trustseo.me/tools): generators, analyzers, calculators — free, no signup - [Answer Engine Optimization (AEO)](https://trustseo.me/aeo): how to win AI citations, not just clicks ## Facts - Engines tracked: OpenAI (ChatGPT), Anthropic (Claude), Perplexity, Google Gemini - The site audit checks GPTBot/ClaudeBot/PerplexityBot/Google-Extended access, llms.txt, indexability, structured data, content depth and performance - Domain Rating data comes from Ahrefs' free public endpoint