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SparkGPT vs Clark Reads

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 Clark Reads
Detail SparkGPTClark Reads logo Clark Reads
What it doesAI sales agent that turns website visitors into buyers WhatsApp and iMessage chat analyzer that provides written reports with real quotes from your messages
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free trial
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: opening and first half of chapter one. Full report: $9.90 one-time per report, no subscription.
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
  • Reads full conversation history in order
  • Real quotes attached to every observation
  • Supports WhatsApp .zip and .txt exports
  • Supports plain-text iMessage files
  • Media stripped before upload
  • Handles up to 20k messages per report
  • Reports available in multiple languages
  • Automatic report delivery by email
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
  • Data never used to train AI models
  • One-time payment with no subscription required
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 check12 +2 (up) since last check
Trust Flow (Majestic)95
Citation Flow (Majestic)1917
Referring domains (Majestic)2811

5 details filled in for both companies.

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