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StackScan vs Pengo

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

StackScan compared with Pengo
DetailStackScan logo StackScanPengo logo Pengo
What it doesSearch 425M+ websites by technology stack and export qualified prospect lists Event intelligence for trade show sellers
StageNot given Startup
FoundedNot given Not given
Based inSG US
Pricing modelPaid Not given
PricingPro $39/month (5 lead lists, 200,000 max rows per list, 2,500 bulk enrichment credits, 1 user), Business $79/month (25 lead lists, 300,000 max rows per list, 5,000 bulk enrichment credits, 1 user), Enterprise $189/month (unlimited lead lists, 500,000 max rows per list, 25,000 bulk enrichment credits Not given
Key features
  • Search 425M+ websites by technology stack
  • Detect 70,000+ technologies
  • Export enriched prospect lists with up to 20 data points per website
  • Filter by country, TLD, technology combinations and firmographics
  • Keyword and niche search across 425M+ sites
  • Competitor intelligence to identify users of competitor products
  • Tech Lookup tool for technology footprint discovery
  • API access for programmatic data enrichment
  • CSV and XLS export formats
  • Bulk enrichment with credits system
  • Exhibitor directory reading end-to-end with company profiles
  • ICP scoring with quoted reasoning for each booth
  • Named speakers, panelists and stand contacts from agendas and exhibitor pages
  • Company and people search across fairs
  • MCP server integration with Claude, Claude Code, Cursor and ChatGPT
  • CSV export of exhibitor lists and contacts
  • HubSpot and Attio CRM push with sync reporting
  • REST API with webhooks at Pro tier and above
  • AI-powered question answering from account research
What makes it different
  • Access full 425M website index on all plans
  • No contracts, cancel anytime with 14-day money-back guarantee
  • Continuously refreshed dataset updated through ongoing web crawling
  • GDPR-friendly data collection through non-intrusive crawling
  • Quotes reasoning behind ICP scores so users can verify or overrule in seconds
  • Free tier with no card required rather than a trial that starts billing
  • Never constructs email addresses, only returns published ones from company pages
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)49 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)150
Citation Flow (Majestic)4518
Referring domains (Majestic)1195

4 details filled in for both companies.

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