StackScan vs Buzz

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 Buzz
Detail	StackScan	Buzz
What it does	Search 425M+ websites by technology stack and export qualified prospect lists	AI SDR & Sales Agent for Outbound
Stage	Not given	Not given
Founded	Not given	Not given
Based in	SG	US
Pricing model	Paid	Freemium
Pricing	Pro $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	Free plan with limited credits and no credit card required. Core plan is $79/month per seat (billed monthly) with 500 credits/month. AI Employee plan is custom priced; contact sales. White Label plan is $1,000/month for 20 seats. Enterprise plan is custom priced.
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	Multichannel outreach across email, LinkedIn, calls, and voicemail Access to 350M+ verified contacts from 100+ data providers Waterfall enrichment for 3x better coverage AI-powered personalized message writing Campaign creation from natural language prompts 50+ CRM integrations including Salesforce and HubSpot Real-time engagement tracking and analytics Slack integration for campaign management Mobile app for iOS and Android Chrome extension for browser-based access
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	Truly agentic AI that researches prospects and adapts based on real-time signals instead of just automating tasks Single prompt-based campaign creation without manual setup Waterfall data enrichment with 3x better coverage than single-source competitors Automated meeting booking across all channels No credit card required to start
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	49 +1 (up) since last check	35 no change since last check
Trust Flow (Majestic)	15	4
Citation Flow (Majestic)	45	38
Referring domains (Majestic)	119	1719

6 details filled in for both companies.

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