Last updated May 2026
Seamless.ai vs ZoomInfo
A side-by-side comparison of Seamless.ai and ZoomInfo — pricing, features, integrations, and where each one wins.
Seamless.ai
b2b database
Real-time AI search engine for B2B sales leads with phone numbers, emails, and CRM integrations.
Visit Seamless.ai →ZoomInfo
b2b database
Enterprise B2B sales intelligence platform with a database of 100M+ contacts, intent data, and engagement workflows.
Visit ZoomInfo →Pricing
Seamless.ai
| Tier | Monthly | Per seat | Includes |
|---|---|---|---|
| Free | $0 | — | 50 credits to start · Chrome extension access · Basic search functionality |
| Pro | — | — | Daily credit refresh · Email and phone lookup · Buyer intent data |
| Enterprise | — | — | Custom credit pools · API and data enrichment · Dedicated CSM |
ZoomInfo
| Tier | Monthly | Per seat | Includes |
|---|---|---|---|
| Enterprise (contact sales) | — | — | Custom pricing · Sales-led onboarding · Volume discounts |
Key features
Seamless.ai
- Real-time AI search engine for B2B contact discovery
- Chrome extension prospects directly from LinkedIn and websites
- Pitch Intelligence and buyer-intent signals
- Autopilot list-building automation
- Native CRM sync with Salesforce and HubSpot
ZoomInfo
- Largest B2B contact and company database in the market
- Intent data via Bombora and proprietary signals
- WebSights deanonymizes website visitors at company level
- Workflows automate enrichment, routing, and outreach
- Native Salesforce, HubSpot, Outreach, and Salesloft integrations
Where each one wins
Seamless.ai
Strengths
- Generous free tier compared to ZoomInfo or Lusha
- Real-time crawl can surface fresh contacts competitors miss
- Self-serve onboarding with credit-based trial
Tradeoffs
- Data accuracy inconsistent — verification often required
- Aggressive upsell and contract terms widely reported by users
- Credit consumption unpredictable on bulk searches
ZoomInfo
Strengths
- Deepest US firmographic and contact coverage of any vendor
- Intent + Scoops + WebSights bundle is hard to match outside enterprise
- Mature integrations and admin controls suit large RevOps teams
Tradeoffs
- Annual contracts often $15k-$60k+ with strict auto-renewal clauses
- EU/APAC mobile data is weaker than Cognism in those regions
- Aggressive sales process and notoriously hard to negotiate down or exit