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OperStack vs Prefer

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

OperStack compared with Prefer
DetailOperStack logo OperStackPrefer logo Prefer
What it doesGet named by ChatGPT, Claude, Perplexity and Gemini, not just found on Google Get customers from AI engines, not just search
StageNot given Startup
FoundedNot given 2025
Based inAR IN
Pricing modelFreemium Free trial
PricingFree check: no signup required. OperStack Watch: $35 a month or $299 a year, with 7 days free. Full audit: $149 one-time. Fix service: $249 for sites up to about fifty pages. $99 per month billed monthly or $79 per month billed annually (save 20%, $948 per year). One plan includes 150 tracked prompts, 30 articles per month, all 5 AI engines (ChatGPT, Gemini, Google AI Overviews, Google AI Mode, Perplexity), and every feature. Add-ons available: +100 tracked prompts for $
Key features
  • Free AI visibility check scoring sites out of 100 across five areas
  • Weekly reports showing whether ChatGPT and Perplexity name you
  • Identifies competitors that AI assistants name instead
  • Ready-to-paste fixes for each finding
  • Checks 10 pages of your site, not just homepage
  • Integration with Claude, Cursor and Codex for in-chat reports
  • Email delivery or access via private My Watch dashboard
  • Tests 14 AI crawlers including ChatGPT, Perplexity and Claude bots
  • Shows which pages AI assistants read before answering questions
  • Track AI visibility across ChatGPT, Gemini, Google AI Overviews, Google AI Mode and Perplexity
  • Monitor share of voice and sentiment across AI engines
  • Track source citations and domain authority
  • Benchmark against up to 10 competitors per project
  • Action Center with prioritized tasks ranked by impact
  • Track 150 buyer prompts and cover content gaps
  • Publish articles directly to CMS platforms
  • Agent Analytics tracking ChatGPT, Gemini, Claude and Perplexity crawls
What makes it different
  • Focuses specifically on AI assistant visibility, not traditional search rankings
  • Every score uses free public data that subscribers can verify themselves
  • Built by a solo operator running real content sites, not an agency
  • Runs AI assistant queries with web search on every week to show trends
  • Provides specific page addresses and text to paste, not generic advice
  • Measures visibility across all five major AI engines in one platform
  • Action Center automates execution with AI agents rather than stopping at dashboards
  • Created by founders with 13 years of SEO experience since 2012
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)11 +1 (up) since last check32 +1 (up) since last check
Trust Flow (Majestic)1712
Citation Flow (Majestic)2033
Referring domains (Majestic)16112

6 details filled in for both companies.

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