Seamless.ai vs ZoomInfo
A side-by-side comparison of features, pricing, and value to help you choose.
Seamless.ai
Real-time contact search engine
Custom pricing
Free trial credits; paid plans custom, credit-based
ZoomInfo
Enterprise B2B data & intent at scale
Custom pricing
Custom annual contracts, typically $15k+/yr; no self-serve
At a glance
| Spec | Seamless.ai | ZoomInfo |
|---|---|---|
| Starting price | Custom pricing | Custom pricing |
| Budget tier | Mid-range | Premium |
| Complexity | Beginner-friendly | Advanced |
| Primary category | Prospecting & Lead Data | Prospecting & Lead Data |
| Integrations | 25+ | 70+ |
| Founded | 2015 | 2007 |
Feature comparison
Seamless.ai offers 7 of 10 tracked prospecting & lead data features; ZoomInfo offers 9.
| Feature | Seamless.ai | ZoomInfo |
|---|---|---|
| Email finder | ||
| Mobile / direct dials | ||
| Email verification | ||
| Bulk enrichment | ||
| LinkedIn / Chrome extension | ||
| Intent data | ||
| 1-click CRM export | ||
| Free plan | ||
| API & webhooks | ||
| Priority / 24-7 support |
Seamless.ai
Pros
- Large volume of contacts on demand
- Handy Chrome extension
- Real-time search rather than stale lists
Cons
- Data accuracy is inconsistent
- Aggressive sales and renewal tactics reported
- Credit limits and opaque pricing
ZoomInfo
Pros
- Deepest US B2B coverage and org-chart data
- Strong intent data and buying-committee insights
- Robust enrichment and CRM hygiene tooling
Cons
- Expensive, opaque, annual-only contracts
- Aggressive upsell and seat-based pricing
- Weaker EU coverage and compliance posture
The verdict
The right pick depends on your priorities. Choose Seamless.ai if you value high-volume us prospecting teams that want lots of contacts fast. Choose ZoomInfo if you need mid-market and enterprise teams that need maximum coverage and intent.
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