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hrefStack vs PaperCheck

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

hrefStack compared with PaperCheck
DetailhrefStack logo hrefStackPaperCheck logo PaperCheck
What it doesAI agent that grows your search traffic through autonomous SEO content research, writing, publishing, and ranking tracking AI Paper Supervisor for Academic Writing
StageStartup Not given
Founded2024 Not given
Based inNot given CH
Pricing modelFreemium Freemium
PricingFree plan: 10,000 words per month, no credit card required. Starter plan: $45 per month for 100,000 words per month. Pro plan: $69 per month for unlimited words. All plans include AI images, CMS publishing, and AI Agent access. Yearly billing available with 17% savings. Free tier available; Plus and Ultimate paid plans with credit system (1 credit per 100 words). One-time packages and monthly subscriptions available with money-back guarantee within 14 days.
Key features
  • Autonomous keyword and competitor-gap research
  • Publication-ready article writing with six-dimension quality self-audit
  • Scheduled publishing to your CMS including WordPress, Shopify, Wix, Ghost, and Sanity
  • Google ranking and AI-search citation tracking across ChatGPT, Perplexity, and Google AI Overviews
  • Automatic refresh of underperforming content
  • Content calendar planning
  • Full editorial control with approval gates before publication
  • 10 free SEO tools with no signup required
  • Paper analysis with scoring across multiple dimensions
  • Plagiarism detection and AI-written text identification
  • Citation style and consistency checking
  • Logical error and argumentation analysis
  • Grammar, spelling and inclusive language errors
  • Bibliography verification against trusted databases
  • Custom requirements upload for university-specific guidelines
  • Prioritized to-do list for revisions
  • Defense Studio with voice practice and recorded sessions
  • Page-by-page feedback with inline corrections
What makes it different
  • AI employee that executes the full content pipeline, not a writing assistant that produces drafts
  • Optimization for both traditional search engines and AI-powered discovery surfaces like ChatGPT and Perplexity
  • Grounded in your actual search data with full Search Console integration
  • Multi-surface AI visibility tracking across rankings, AI Overviews, ChatGPT, and Perplexity citations
  • Feedback typically delivered within 5 minutes using parallel processing
  • Comprehensive analysis across structure, logic, language, citations and plagiarism
  • Data protection with no training on user documents and user-controlled deletion
  • Money-back guarantee within 14 days if unsatisfied
  • Trusted by over 5000 students and universities globally
Community votes00
DR (Domain Rating by Ahrefs)15 −1 (down) since last check18 −2 (down) since last check
Trust Flow (Majestic)2110
Citation Flow (Majestic)2725
Referring domains (Majestic)9161

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