Prospect Sonar vs Pengo

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

Prospect Sonar compared with Pengo
Detail	Prospect Sonar	Pengo
What it does	Find verified B2B prospects in minutes using ethically sourced business data	Event intelligence for trade show sellers
Stage	Not given	Startup
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Not given
Pricing	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.	Not given
Key features	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	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	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	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 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)	3 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	9	18
Referring domains (Majestic)	13	5

3 details filled in for both companies.

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