StackScan vs Prospect Sonar

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 Prospect Sonar
Detail	StackScan	Prospect Sonar
What it does	Search 425M+ websites by technology stack and export qualified prospect lists	Find verified B2B prospects in minutes using ethically sourced business data
Stage	Not given	Not given
Founded	Not given	Not given
Based in	SG	Not given
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 tier with 25 credits/month; Starter $49/mo (250 credits); Growth $149/mo (1,000 credits); Pro $399/mo (5,000 credits). Annual plans save 20%. One credit unlocks one verified email, phone, or business intelligence record.
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	Advanced search filters by 50+ data points including tech stack and employee count Real-time email verification ensuring 95%+ deliverability Data freshness guarantee with records no older than 6 months List building and prospect organization CSV and CRM export to Salesforce, HubSpot, Pipedrive API access to build custom tools or enrich databases Free search, filtering, and preview before unlocking prospects Email Hunter tool to find emails intelligently Company Lookup for deep company insights ROI Calculator to measure performance
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	Ethical data sourcing from public registries only, never scraping private social media Credit-based pay-as-you-go model with no long-term contracts or hidden fees 30-day verification cycle ensuring data freshness with last-verified timestamps GDPR and CCPA compliant with easy opt-out mechanism for data removal Transparent sourcing and no sale of user search history or data
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	3 no change since last check
Trust Flow (Majestic)	15	3
Citation Flow (Majestic)	45	9
Referring domains (Majestic)	119	13

5 details filled in for both companies.

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