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SparkGPT vs Rock Identify

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

SparkGPT compared with Rock Identify
Detail SparkGPTRock Identify logo Rock Identify
What it doesAI sales agent that turns website visitors into buyers Free online rock identifier by photo
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree Plan: $0 forever. Build and test one agent with unlimited testing, no credit card required. Growth Plan: $49/month plus 5% of attributed sales, with unlimited conversations and full ROI dashboard. Done For You: custom pricing. Free plan: 3 identifications and 1 follow-up per day, basic value range, up to 200 saved specimens when signed in. Plus plan: $2.50 per month billed yearly ($29.99 annually) or $9.99 per month billed monthly; 100 requests a day shared across identifications and follow-ups, detailed price analysis, m
Key features
  • Paste website URL and agent is built automatically from site content
  • Claude-powered AI with intelligent model routing
  • Product recommendation engine
  • Sales attribution tracking with 24-hour window
  • ROI dashboard showing every attributed sale
  • Single line of code deployment
  • Works with Shopify, WordPress, and custom sites
  • Unlimited conversations on Growth plan
  • Prepaid credit billing model
  • Built for small and mid-sized online businesses
  • Upload 1-3 photos of the same rock from different angles
  • AI-powered photo analysis to suggest rock matches
  • View visible clues, limitations and possible alternatives for each match
  • Follow-up questions about lookalikes and properties
  • Save photos, results and conversations to an account
  • Browse reference links to educational resources for suggested matches
  • Track daily identification allowance remaining
  • Price analysis and estimated value range for specimens
What makes it different
  • Outcome-based pricing tied to attributed sales, not conversation volume
  • No credit card required to build and test for free forever
  • No technical setup required; built from your existing website content
  • Transparent ROI with every attributed sale visible and inspectable
  • Built on Anthropic's Claude for stronger reasoning and sales capability
  • No sign-up or app download required to start identifying rocks
  • Photo-based identification with transparent uncertainty acknowledgment
  • Works on any device with a browser and internet connection
  • Mobile-friendly with camera option where supported
  • All photo tools share the same subscription and daily allowance
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)42 −1 (down) since last check15 −1 (down) since last check
Trust Flow (Majestic)915
Citation Flow (Majestic)1925
Referring domains (Majestic)2820

5 details filled in for both companies.

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