SignalHire vs ZoomInfo
SignalHire
signalhire.comZoomInfo
zoominfo.comSide by side
| Figure | SignalHire | ZoomInfo |
|---|---|---|
| Price from | $4.75/mo | Free |
| Free plan | Yes | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 8 | 7 |
| Spec score · B2B Contact Data Providers | 8.8 (#10) | 8.6 (#18) |
| Spec score · Candidate Sourcing Software | 8.4 (#11) | 7.7 (#30) |
| API access | Yes | Yes |
| Contact database size | 850000000 | 321000000 |
| Direct-dial data | Yes | Yes |
| Headquarters | Warsaw, Poland | ZoomInfo lists its headquarters as Vancouver, Washington, USA. |
| Integrations | The integrations page lists ATS, CRM, and other tools including Salesforce, HubSpot, Zoho Recruit, Pipedrive, Recruitee, and Ashby. | ZoomInfo says it integrates natively with Salesforce, HubSpot, and Microsoft Dynamics 365, and offers 120+ integrations. |
| Privacy compliance | SignalHire states that it complies with GDPR and CCPA and provides access, correction, deletion, and opt-out rights described on its privacy pages. | ZoomInfo says it processes professional contact data under GDPR's legitimate-interest basis and honors data subject rights. |
| Product | SignalHire provides real-time verified personal and business emails and phone numbers for recruiters, sales professionals, and marketers. | ZoomInfo describes itself as an all-in-one AI go-to-market platform for B2B sales, marketing, RevOps, and customer success teams. |
| Support | SignalHire lists [email protected] and a phone number, +1 209 437-3846, for questions. | The company says support is available through its Help Center and by phone, and ZoomInfo University provides role-based courses and certifications. |
| Technographic filters | Yes | Yes |
Plans
SignalHire
- FreeFree
- Emails$69 a month
- Phones$69 a month
- Emails & Phones$69 a month
- Emails$57 a year
- Emails & Phones$57 a year
- Phones$57 a year
- ScalePriced on request
ZoomInfo
- ZoomInfo LiteFree
- ABM EnterprisePriced on request
- ABM LitePriced on request
- Copilot AdvancedPriced on request
- Copilot EnterprisePriced on request
- Marketing DemandPriced on request
- ZoomInfo ProfessionalPriced on request
In their own words
SignalHire
SignalHire is a contact search and enrichment service for recruiters, sales professionals, and marketers. It provides professional email addresses and phone numbers, including direct-dial data, and lets users filter profiles by name, title, company, and location. Its database page describes more than 900 million professional profiles and more than 30 million companies. Users can enrich up to 1,000 profiles at a time, and SignalHire says it checks emails with third-party verification tools before displaying contact details. The service also offers multi-step email sequences with tracking, reply pauses, send windows, and analytics, using Outlook/Microsoft 365 or a company-domain mailbox. Its API has Person and Search endpoints; Company API access is available on request through support. The browser extension can find contact details on social and professional sites, with downloads linked for Chrome, Firefox, Edge, and Opera. Integrations include ATS and CRM tools such as Salesforce, HubSpot, Zoho Recruit, Pipedrive, Recruitee, and Ashby. The Free plan is free and provides 5 credits; installing the extension provides 10 free credits each month. The listed monthly paid plans are $69 a month.
ZoomInfo
ZoomInfo describes itself as an AI go-to-market platform for B2B sales, marketing, RevOps, and customer success teams. It supports prospecting, buyer intent, account insights, lead routing, CRM enrichment, and sales workflow automation. Its AI tools cover account research, meeting preparation, deal prioritization, and coordinated go-to-market plays. The company describes its data coverage as more than 500 million contacts and 100 million companies. ZoomInfo says it has more than 120 integrations, including native connections with Salesforce, HubSpot, and Microsoft Dynamics 365; its MCP server connects Claude, ChatGPT, and custom agents to ZoomInfo data. The platform is available through web, API, and an extension. ZoomInfo Lite is a permanent free plan at free. Its trial typically lasts 7 days, includes core platform features subject to usage limits, and requires no credit card, though terms vary. Prices for the other listed plans are not provided.