Last updated May 2026
Hunter.io vs Seamless.ai
A side-by-side comparison of Hunter.io and Seamless.ai — pricing, features, integrations, and where each one wins.
Hunter.io
email finder
Email finder and verifier for outbound prospecting with domain search, bulk lookups, and a Chrome extension.
Visit Hunter.io →Seamless.ai
b2b database
Real-time AI search engine for B2B sales leads with phone numbers, emails, and CRM integrations.
Visit Seamless.ai →Pricing
Hunter.io
| Tier | Monthly | Per seat | Includes |
|---|---|---|---|
| Free | $0 | — | 25 searches/mo · 50 verifications/mo · Chrome extension |
| Starter | $34 | — | 500 searches/mo · 1,000 verifications · Campaigns module |
| Growth | $104 | — | 5,000 searches/mo · 10,000 verifications · API access |
| Pro | $209 | — | 50,000 searches/mo · 100,000 verifications · Priority support |
| Enterprise (contact sales) | — | — | Custom search and verification volumes · SSO, advanced security · Dedicated support |
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 |
Key features
Hunter.io
- Domain search to find every email at a company
- Email verification with confidence scoring
- Chrome extension for in-LinkedIn email capture
- Lightweight Campaigns module for cold email
- API and Google Sheets add-on for spreadsheets
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
Where each one wins
Hunter.io
Strengths
- Simple, focused, reliable email finding
- Free tier sufficient for very small operations
- Strong privacy and GDPR posture
Tradeoffs
- Coverage thinner than enterprise databases like ZoomInfo
- Campaigns module is basic versus dedicated outreach tools
- Per-search pricing can be expensive at high volume
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