Cleanlist vs Seamless.AI
Compare Cleanlist and Seamless.AI for B2B contact data. See how Cleanlist's verified waterfall enrichment compares to Seamless.AI's real-time AI search approach.
The Quick Verdict
Seamless.AI uses real-time AI web scanning for contact discovery, but charges per contact even for invalid data. Cleanlist delivers verified 98% email accuracy through 15+ provider waterfall enrichment with predictable pricing and no wasted credits.
Feature-by-Feature Comparison
How Cleanlist and Seamless.AI stack up across key capabilities.
| Feature | Seamless.AI | Cleanlist |
|---|---|---|
| Data sourcing method | Real-time AI web scanning | 15+ provider waterfall enrichment |
| Email verification accuracy | Variable (charges for invalid results) | 98% (triple verification + catch-all detection) |
| Waterfall enrichment | ||
| Catch-all email detection | ||
| Phone number finder | ||
| LinkedIn Sales Nav scraping | Chrome extension | Native bulk extraction |
| Buyer intent data | Pro plan+ | Job change & buying signals |
| ICP scoring | Basic filters | Custom rule-based scoring |
| Pricing predictability | Unpredictable (charges for invalid data too) | Fixed monthly plans |
| Starting paid price | $147/mo (250 credits) | $29/mo (500 email credits) |
Pricing Comparison
See how plans and pricing compare between the two platforms.
Seamless.AI Pricing
- -50 lifetime credits
- -Basic search
- -Limited features
- -No credit card needed
- -250 credits/mo
- -Email + phone data
- -Chrome extension
- -Basic integrations
- -Unlimited credits/day
- -Advanced filters
- -Buyer intent data
- -Priority support
- -Unlimited everything
- -Custom integrations
- -Dedicated success manager
- -Advanced security
Cleanlist Pricing
- 30 email credits/mo
- 3 phone credits/mo
- Waterfall enrichment
- LinkedIn integration
- 500 email credits/mo
- 50 phone credits/mo
- CSV import + CRM sync
- All enrichment features
- 2,000 email credits/mo
- 200 phone credits/mo
- Smart Agents + ICP Scoring
- Priority support
- 10,000 email credits/mo
- 1,000 phone credits/mo
- Dedicated success manager
- Custom integrations
Honest Strengths
Where Seamless.AI Wins
- Real-time AI web scanning for current contact data
- Unlimited daily credits on higher plans
- Strong buyer intent data on Pro/Enterprise plans
- Chrome extension for LinkedIn prospecting
- Large user base ($43.8M revenue in 2024)
Where Cleanlist Wins
- Verified 98% email accuracy (Seamless charges for invalid data)
- Predictable pricing — never pay for bad data
- 5x cheaper starting price ($29/mo vs $147/mo)
- 15+ provider waterfall enrichment
- Catch-all email detection
- Native LinkedIn Sales Navigator bulk extraction
- ICP scoring and AI-powered Smart Agents
- Credits on emails that verify, not every lookup
Who Should Use Which?
The right tool depends on your workflow and priorities.
Choose Seamless.AI if you...
- High-volume research teams with unlimited budget
- Teams wanting real-time AI-powered contact discovery
- Companies needing buyer intent data
- Individual reps doing daily prospecting at scale
Choose Cleanlist if you...
- Teams wanting predictable costs (no paying for invalid data)
- Budget-conscious companies ($29/mo vs $147/mo)
- Anyone frustrated with Seamless.AI's data quality issues
- Teams needing verified 98% email accuracy
- Companies wanting waterfall enrichment from 15+ sources
- RevOps teams needing ICP scoring and data normalization
Frequently Asked Questions
Is Seamless.AI data accurate?
+
Seamless.AI uses real-time web scanning which can find current data, but accuracy is inconsistent. Users report paying credits for invalid or incorrect information. Cleanlist achieves verified 98% accuracy through triple verification — you only pay for data that works.
Is Cleanlist cheaper than Seamless.AI?
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Yes. Seamless.AI starts at $147/mo for 250 credits, while Cleanlist starts at $29/mo for 500 email credits. Cleanlist also doesn't charge for invalid results, making the effective cost per verified contact significantly lower.
Does Seamless.AI have waterfall enrichment?
+
No. Seamless.AI uses its own AI web scanning engine. Cleanlist checks 15+ data providers through waterfall enrichment to find the most accurate data for each contact.
Ready to see the difference?
Try Cleanlist free and see why teams switch from Seamless.AI for better data accuracy.