Seamless.AI vs HappierLeads: B2B Data Provider Comparison 2026


See the exact people visiting your website and Follow up with them.

Seamless.AI is a popular B2B data platform with AI-powered contact finding. But how does it compare to HappierLeads' one-time purchase model? This comprehensive comparison helps you choose the right solution.
Seamless.AI Overview
- Pricing: $147-$297/month (limited credits)
- Model: Real-time contact discovery
- Database: 1.9B+ data points
- Best for: On-demand contact finding
HappierLeads Overview
- Pricing: $999-$4,999 one-time
- Model: Bulk database download
- Database: 175M+ contacts
- Best for: High-volume prospecting
Cost Comparison
Annual Cost (Single User)
- Seamless.AI Basic: $1,764/year
- Seamless.AI Pro: $3,564/year
- HappierLeads: $4,999 one-time (forever)
3-Year Total Cost
- Seamless.AI Basic: $5,292
- Seamless.AI Pro: $10,692
- HappierLeads: $4,999
Feature Comparison
Credit Limits
- Seamless.AI: 250-1000 credits/month
- HappierLeads: No limits - full database access
Data Export
- Seamless.AI: Limited by credits
- HappierLeads: Full CSV download included
Real-Time Discovery
- Seamless.AI: Yes - AI-powered finding
- HappierLeads: No - bulk database approach
When to Choose Seamless.AI
- You need on-demand contact discovery
- Low volume usage (under 500 contacts/month)
- Want browser extension integration
- Budget for ongoing subscription
When to Choose HappierLeads
- High-volume prospecting (1000+ contacts/month)
- Want to eliminate recurring costs
- Need full database ownership
- Building prospecting lists at scale
Make Your Choice
Ready for unlimited B2B data access? Buy our 175M Contact Database with one-time payment and leave credit limits behind.
You might also like
Website Identification FAQs
Does Happierleads have a Free trial?
What is Happierleads?
HappierLeads is the only solution that enables you to identify, qualify, and engage with your anonymous B2B website visitors—all within a single tool. No additional licenses or integrations with other outreach automation tools are necessary.
Who typically uses Happierleads?
Happierleads is used by Sales, Growth, and Marketing teams across various industries. If you are a B2B company, we are the solution for you. Sales teams use the platform to turn anonymous traffic into opportunities and increase productivity. While on the other hand, Marketers use the platform to automate lead generation, increase conversions.
How is this different from Clearbit, 6Sense, or DemandBase’s Website Identity Solutions?
Most companies rely on ‘Reverse IP Lookup’ technology to connect IP addresses with company names. At Happierleads, we use a completely different approach—our fully-permissioned, proprietary publisher network—allowing us to identify the exact individuals visiting your website. Discover more about how we identify your site visitors here.
Why is Happierleads ranked number #1 for data quality on G2 and Capterra?
Happierleads offers an advanced feature that automatically filters out bots, ISPs, and other non-qualifying traffic sources to ensure you receive only high-quality leads. Additionally, unlike other tools, Happierleads provides the flexibility for you to manually remove leads as needed.




