SignalHire
Chrome extension for finding emails and phone numbers — one of many in the 'contact data from LinkedIn' category
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The Verdict
“SignalHire is a solid, affordable alternative to larger B2B data providers. The unlimited users with no per-seat pricing makes it excellent for budget-conscious teams. Good email and phone coverage, especially for sales and recruiting use cases.”
Best For
Recruiters and individual prospectors who want quick email/phone lookups from LinkedIn and social profiles
Not Great For
Sales teams needing more than contact data — all-in-one tools like Apollo provide sequencing and CRM alongside data
Overview
SignalHire is a B2B contact finder with a database of 850M+ profiles and 30M+ companies. It provides real-time verified emails and phone numbers via web app, browser extension, API, and bulk enrichment. Also offers email sequences and lead tracking.
Sales professionals, recruiters, marketers
Solo - Mid-Market (1-200)
Capabilities
Key Features
- 850M+ profile database
- Real-time email verification
- Phone number finder
- Browser extension (Chrome, Firefox)
- Email sequences
- Bulk enrichment (up to 1,000)
- API access
- Lead tracking
- 30M+ company database
Benefits
- Only charged when contact is found (success-based credits)
- 95%+ email accuracy with live verification
- Unlimited users — no per-seat pricing
- Works on any website via browser extension
Pros & Cons
Pros
- +No per-seat pricing — unlimited users
- +Only charged on successful finds
- +Good phone number coverage (up to 80%)
- +Affordable compared to ZoomInfo/Apollo
- +Built-in email sequences
Cons
- -Less well-known brand
- -Limited integrations vs. larger competitors
- -No intent data or advanced signals
- -Data quality may vary outside US/EU
Outbound Use Cases
Financials & Scale
| Plan | Price | Limits | Features |
|---|---|---|---|
| Free | $0/month | 5 credits (10 with extension) | Browser extension, 850M+ database access, CSV export |
| Emails | $69/month | 1,000 credits | Emails only, Unlimited users, CSV enrichment, ATS/CRM integration, API access |
| Phones | $29/month | 100 credits | Phone numbers only, Unlimited users, All standard features |
| Emails & Phones | $69/month | 435 credits | Emails and/or phones, All standard features |
| Scale | Custom | Bulk license | All features, Job changes tracking, Prospecting bulk show |
SignalHire has a limited free tier and paid plans from $49/mo. Apollo gives 10K free credits. Kaspr has a useful free tier. Lusha is $36/user/mo. In a commoditized market, SignalHire needs to prove unique accuracy advantages to justify choosing it over Apollo or Kaspr.
The Reddit Pulse
Community Pros
- +Chrome extension approach for contact finding is well-liked in the category
- +Alternative to Lusha, Apollo, Hunter for email/phone lookup
Community Cons
- -Very low Reddit visibility
- -Overshadowed by Apollo, Lusha, Hunter.io, ZoomInfo in Reddit discussions
- -Data accuracy unverified by community
Reddit Questions
- ? No dedicated Reddit threads found in sales subreddits
Thinking of Switching?
Competitive Landscape
Technical Stack
Integrations
Data Intelligence
Head-to-Head Comparisons
Company Intel
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