Cognism vs Seamless.AI
Which sales engagement tool is right for you? Compare features, pricing, and user reviews to make the best choice.
Cognism
Teams selling into Europe that rely on phone outreach and need GDPR and DNC-screened data.
Seamless.AI
Sales teams that want a large contact database plus built-in emailing and dialing, and are fine negotiating a custom quote.
Side by side
| Cognism | Seamless.AI | |
|---|---|---|
| Pricing | Custom quote only (Standard and Pro packages, 5 seats included) | Free plan with 50 credits; paid plans are quote only (no public prices) |
| G2 Rating | Not yet verified | Not yet verified |
| Best For | Teams selling into Europe that rely on phone outreach and need GDPR and DNC-screened data. | Sales teams that want a large contact database plus built-in emailing and dialing, and are fine negotiating a custom quote. |
Pros and cons
Cognism
Pros
- Phone-verified mobile numbers for cold calling
- Strong European coverage and DNC/TPS screening
- Credits are not spent again on contacts you already revealed
- Broad security certifications (ISO 27001, ISO 27701, SOC 2 Type II)
Cons
- No public pricing
- No free plan or self-serve trial
- 5-seat packages are too big for solo users
- Intent data only on Pro
Seamless.AI
Pros
- Free plan to test the data before talking to sales
- Automatic credit refunds for invalid emails
- Free Chrome extension that works on LinkedIn and any website
- Data, emailing, dialing and AI list building in one platform
- States GDPR, CCPA and SOC 2 Type II compliance
Cons
- No public pricing for any paid plan
- Free plan is only 50 credits
- Vendor's database size claims differ between its own pages (1.6B+ vs 2.2B+)
- Credit costs per lookup are not published
Related comparisons
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Lusha is the easiest self-serve swap for small teams: a free plan, public prices and phone numbers at 5 credits instead of Apollo's 8. Pick Cognism for European calling, Hunter if you only need emails, Clay for custom enrichment, or lemlist if you mainly want better sequences. Larger teams that need more data and intent should look at ZoomInfo.
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Apollo.io is the best sales prospecting tool for most teams: a real free plan, public pricing from $49/seat/month billed annually, and contact data, sequences and a dialer in one tool. Pick ZoomInfo for enterprise data and intent, Cognism for Europe and verified mobiles, Lusha for a quick self-serve extension, or Clay for custom enrichment workflows.
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Apollo.io is the best ZoomInfo alternative for most teams: public prices from $49 per seat per month billed annually, a free plan, and data plus outreach in one tool. Pick Cognism for Europe and cold calling, Lusha or RocketReach for cheap self-serve lookups, or Clay for custom enrichment.
Marcus WilliamsUpdated October 2026