ZoomInfo vs Seamless.AI

ZoomInfo9.3Visit Seamless.AI8.5Visit

Higher score ZoomInfo #1 in B2B Contact Data Providers 9.3/10 Pricing on request ✓ 4 of 4 features Visit ZoomInfo

vs

Seamless.AI #8 in B2B Contact Data Providers 8.5/10 Free plan Free plan✓ 4 of 4 features Visit the platform

• ZoomInfo fits best

  Enterprise revenue intelligence

• Seamless.AI fits best

  Teams prioritizing database scale

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Side by side

Feature	ZoomInfo 9.3/10 Visit ↗	Seamless.AI 8.5/10 Visit ↗
At a glance
Editor score	9.3	8.5
Ranking	#1 in B2B Contact Data Providers	#8 in B2B Contact Data Providers
Best for	Enterprise revenue intelligence	Teams prioritizing database scale
Pricing model	Paid	Free plan + paid
Starting price	Pricing on request	—
Free plan	Not checked yet	✓ (best)
Free trial	—	—
Deployment	Cloud	Cloud, Browser extension
Platforms	Web	Web, Chrome extension
Support	Docs	Email, Live chat, Docs
Compliance	GDPR	SOC 2, ISO 27001, GDPR
Integrations	5 integrations	6,000+ integrations
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features ZoomInfo 4/4 · Seamless.AI 4/4
Direct-dial data	✓	✓
Intent data	✓	✓
Technographic filters	✓	✓
API access	✓	✓
Specs
Contact database size	3.21e+08 contacts	1.3e+09 contacts (best)
Monthly export limit	Not checked yet	Not checked yet
Our review
Pros	Searches across 300+ company attributes with firmographic and technographic filters Combines direct dials, verified business emails, intent, and change alerts Connects CRM enrichment, APIs, AI prioritization, and outreach recommendations	1.3B listed contacts with real-time search and verification Direct dials, intent signals, enrichment, and job-change intelligence CRM integrations, Chrome extension, and REST API access
Cons	Its broad feature set may exceed the needs of basic list-building teams Advanced workflows depend on fit with CRM, sales, and marketing systems Contact-sales purchasing may require more evaluation than self-serve tools	The Free plan includes only 50 credits Pro and Enterprise pricing requires contact-sales discussions Buyer Intent Data is an add-on for Pro users
Our verdict	ZoomInfo is a B2B go-to-market intelligence platform for sales, marketing, recruiting, and revenue operations teams. It combines contact and company search with direct-dial and verified business email data, organizational charts,… Read the review →	This web-based B2B sales intelligence platform is designed for sales, marketing, recruiting, and revenue operations teams that need to find, verify, enrich, and export prospect data. Its published database size is 1.3B contacts, with… Read the review →

Strengths and trade-offs

• ZoomInfo — where it wins

  • Searches across 300+ company attributes with firmographic and technographic filters
  • Combines direct dials, verified business emails, intent, and change alerts
  • Connects CRM enrichment, APIs, AI prioritization, and outreach recommendations

  Where it doesn't

  • Its broad feature set may exceed the needs of basic list-building teams
  • Advanced workflows depend on fit with CRM, sales, and marketing systems
  • Contact-sales purchasing may require more evaluation than self-serve tools

• Seamless.AI — where it wins

  • 1.3B listed contacts with real-time search and verification
  • Direct dials, intent signals, enrichment, and job-change intelligence
  • CRM integrations, Chrome extension, and REST API access

  Where it doesn't

  • The Free plan includes only 50 credits
  • Pro and Enterprise pricing requires contact-sales discussions
  • Buyer Intent Data is an add-on for Pro users

• ZoomInfo9.3/10 · Pricing on request

  A broad revenue-intelligence platform for teams that need data, signals, and workflows.

  Visit ZoomInfoFull verdict →
• Seamless.AI8.5/10 · Free plan

  A large-scale prospecting platform with verified contact data, intent signals, and API access.

  Visit the platformFull verdict →