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Rank++ vs Serpkin

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Rank++ compared with Serpkin
DetailRank++ logo Rank++Serpkin logo Serpkin
What it doesMaster AI Engine Optimization to get discovered by AI assistants like ChatGPT, Claude, and Perplexity Rank higher on Google without learning SEO. Your coding agent does the work.
StageStartup Not given
FoundedNot given Not given
Based inNot given CR
Pricing modelNot given Freemium
PricingFree trial: 14 days with 25 credits, no credit card required. Monthly: $49/month with 200 credits that reset monthly. All major credit cards accepted (Visa, Mastercard, American Express). Credits don't roll over. Directories tool is free and unlimited. Free scan available. Builder plan: $29/month or $290/year (≈$24/month with 2 months free). Pro plan: $79/month or $790/year (≈$66/month with 2 months free). Builder includes 3 sites, 30 missions/month, 100 keywords tracked daily, 500 research credits/month. Pro includes 15 sites, 150 missions/month,
Key features
  • Website Audit: Analyzes AI visibility with scores, insights, and recommendations
  • AI Entity Graph: Generates structured data for AI recognition of your brand
  • Schema Builder: Auto-generates JSON-LD schemas for entire website
  • Content Optimizer: Analyzes and optimizes content with E-E-A-T scores
  • Prompt Lab: Tests AI model responses about your brand
  • Index Now: Instantly submits URLs to search engines for faster indexing
  • Citation Builder: Creates citations in 5 formats for AI systems
  • Directories: Submit to authoritative directories that AI systems trust
  • Keyword to Prompt Engine: Converts keywords into AI prompts
  • Insights: Tracks brand citations and AI visibility performance
  • Mission ranking by estimated traffic impact
  • Daily rank tracking and competitor monitoring
  • Site crawl and indexing audit with Core Web Vitals
  • Preview checks before deployment
  • AI content review of pages
  • Measured results at 14 and 28 days
  • Weekly pull requests from GitHub Actions
  • Backlink snapshot and research credits system
  • IndexNow submissions to Bing
  • Support for Claude Code, Codex, Cursor and MCP agents
What makes it different
  • 9 specialized AEO tools designed specifically for AI discovery, not traditional SEO
  • Accessible for non-technical founders and indie hackers without requiring coding knowledge
  • Automatic schema generation that scales to hundreds of pages effortlessly
  • Fair pricing with transparent credit system and free trial requiring no credit card
  • Track AI visibility across multiple AI assistants including ChatGPT, Claude, and Perplexity
  • Only ranks fixes by actual traffic potential, not generic advice
  • Verifies changes on live site and measures real impact against your baseline
  • Never edits or deploys your site—your agent and you always control the code
  • Hands agents file locations and step-by-step recipes, not just audit lists
  • Works with existing coding agents—no new tool to learn
Community votes00
DR (Domain Rating by Ahrefs)25 −1 (down) since last check1 +1 (up) since last check
Trust Flow (Majestic)133
Citation Flow (Majestic)3116
Referring domains (Majestic)1183

4 details filled in for both companies.

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