Seamless.AI vs ZoomInfo
A side-by-side comparison of Seamless.AI and ZoomInfo — two options for lead & contact data. Pricing, features, and honest pros and cons.
Category
Lead & Contact Data
Lead & Contact Data
Rating
3.7 / 5
4.1 / 5
Pricing
Free / From $147/mo
Enterprise / Custom
Best for
US-focused teams needing direct dials
Larger BD teams needing US B2B depth
Key features
- Real-time email and mobile discovery
- Chrome extension for LinkedIn and the web
- List building with firmographic filters
- CRM integrations (Salesforce, HubSpot)
- Buyer-intent data add-on
- B2B contact and company data
- Intent and buying signals
- CRM and enrichment integrations
- Org charts
- Workflows and engagement
Pros
- Strong US mobile/direct-dial coverage
- Real-time verification cuts stale records
- Free tier to test data quality
- Extensive US B2B coverage
- Rich firmographic and intent data
- Deep CRM integrations
Cons
- Widespread complaints about contracts and cancellation
- Data accuracy varies outside the US
- Real costs climb well past list price with add-ons
- Expensive with rigid contracts
- Coverage weaker outside North America