Kaspr vs SignalHire: The Real Comparison
Choosing between Kaspr and SignalHire comes down to how your team prospects and what you're willing to pay per seat. Both offer browser extensions, B2B contact data, and free tiers - but the differences show up in your credit card statement and your bounce rate.
Quick Comparison Table
| Category | Kaspr | SignalHire |
|---|---|---|
| Database size | 500M+ | 850M+ |
| Starting price | Free plan; paid from $49/user/mo (annual) | Free; ~$39-$167/mo (annual) |
| Seat model | Per-seat | Unlimited users |
| Email accuracy | Not published | 95%+ claimed |
| Data refresh | Not published | 7-10 days |
| Browsers | Chrome extension | Chrome, Firefox, Edge, Opera |
| Platform support | Professional profiles | Multi-platform (GitHub, X, Facebook) |
| Compliance | GDPR/CCPA aligned | GDPR & CCPA compliant |
| Best for | EU SDR phone outbound | Recruiter sourcing |
Data Quality and Accuracy
SignalHire markets 95%+ email accuracy with live verification and a 7-10 day refresh cycle. They also claim to find emails for up to 90% of people and phones for up to 80%. In practice, reviews tell a rougher story - SignalHire sits at 3.7/5 from 56 reviews on G2, with recurring complaints about incomplete data and stale contacts.
Kaspr checks data against 150+ sources and leans into Europe and compliance, but phone quality is divisive. A persistent complaint: reps pull numbers that turn out to be personal or home lines. That's a real problem when you're running a dial-first motion and your SDRs are burning through bad numbers all morning.
Here's the thing - both tools will get you a number, but not always the right number. One recruiter on Reddit described SignalHire as "good lookup wise" but noted it returned an Alaska cell number for someone who'd never lived there, plus outdated emails. We've seen similar patterns in our own testing across multiple contact data tools, and it's the core risk with either platform.
Pricing and Team Economics
Kaspr: per-seat, use-it-or-lose-it
Kaspr's free plan includes 15 B2B email credits per month, 5 phone credits, and 5 direct email credits. Paid plans run $49/user/month (Starter) or $79/user/month (Business) on annual billing.
Because Kaspr charges per user with monthly credit allotments, teams that prospect in bursts often pay for capacity they don't fully use. We've talked to teams paying for 5 seats where only 2 reps were actively using the tool after week three.
SignalHire: unlimited seats, shared credits
SignalHire's free plan gives you 5 credits - or 10 per month if you install the extension - and you can invite unlimited users with shared team contacts and credits.
Paid plans range from roughly $39 to $167/month on annual billing depending on whether you buy Phones, Emails, or both. Higher tiers come with fair-usage limits around 2,000 credits per month.
The team-of-5 math makes the difference obvious: SignalHire Emails & Phones at $167/month vs. Kaspr Business at $395/month. That's $228/month saved on seat economics alone, which adds up to over $2,700 a year - real money for a growing outbound team with a tight budget.
Paying $395/month for Kaspr seats or settling for SignalHire's data gaps? Prospeo gives you 98% email accuracy across 300M+ profiles with a 7-day refresh - at roughly $0.01 per email. No per-seat pricing. No stale contacts.
Stop overpaying for data that bounces - test 75 free verified emails today.
Features and Workflow
SignalHire's biggest advantage is reach. Its extension works across Chrome, Firefox, Edge, and Opera, and it pulls contacts from GitHub, X, and Facebook - not just professional profiles. It supports bulk enrichment up to 1,000 people per run and integrates with recruiter-focused tools like Zoho Recruit, Vincere, and PCRecruiter.
The downside: enrichment can feel slow. One G2 reviewer called out 7-10 second webhook response times, which makes real-time enrichment workflows painful when you're trying to build lists at speed.
Kaspr is tighter for sales. It pushes directly into HubSpot, Salesforce, and Pipedrive, and offers an API for enrichment from profile URLs. But the phone quality issue from the data section compounds here - bad numbers flowing into your CRM create compliance headaches downstream, and cleaning them up eats time your reps should spend selling.
Who Should Pick Which
Pick Kaspr if your prospects are Europe-based and you're running sales outbound, you have under 3 seats and want per-rep credit control, or CRM push matters more than multi-platform sourcing.
Pick SignalHire if you're sourcing candidates across multiple platforms, you have 4+ teammates and don't want per-seat pricing, or you can live with occasional data gaps in exchange for seat savings.
Skip both if email deliverability is your top priority. Neither tool publishes the kind of verification detail that gives you confidence at scale.
When Neither Tool Fits
Both tools solve "get me contact data fast." The shared gap is email accuracy you can trust - especially when your domain reputation is on the line.
Prospeo fills that gap with 98% email accuracy across 300M+ professional profiles, refreshed every 7 days, at roughly $0.01 per email. Its 5-step verification process includes catch-all handling, spam-trap removal, and honeypot filtering - none of which Kaspr or SignalHire detail publicly. The free tier includes 75 verified emails and 100 Chrome extension credits per month, which is more usable for real outbound than either competitor's free plan. Teams switching from tools like these typically see bounce rates drop below 4% - Snyk cut theirs from 35-40% to under 5% and added 200+ new opportunities per month.
If you want to pressure-test deliverability before scaling, start with email verification and basic sender reputation hygiene.
Neither Kaspr nor SignalHire publishes real verification details. Prospeo runs every email through 5-step verification - catch-all handling, spam-trap removal, honeypot filtering. Teams like Snyk dropped bounce rates from 35% to under 5% and added 200+ opportunities per month.
Your domain reputation deserves better than unverified contact data.
FAQ
Is SignalHire's data more accurate than Kaspr's?
Neither delivers gold-standard deliverability. SignalHire reviewers flag incomplete and outdated data; Kaspr users complain about personal or home numbers instead of direct dials. For email-critical outbound, Prospeo's 98% verified accuracy with a 7-day refresh outperforms both.
Which tool is cheaper for a team of 5?
SignalHire, by a wide margin. Its unlimited-seats model costs $167/month for Emails & Phones regardless of team size, while Kaspr Business at 5 seats runs $395/month - that's $228/month saved on seat economics alone.
Can I use Kaspr or SignalHire outside of professional profiles?
Kaspr is limited to professional profile extraction. SignalHire pulls contacts from GitHub, X, and Facebook in addition to professional profiles, making it the stronger choice for recruiters sourcing across multiple platforms.
Is there a more accurate alternative to both?
Prospeo delivers 98% email accuracy on 300M+ professional profiles with a 7-day refresh cycle. Its free tier gives you 75 verified emails per month - more usable for real outbound than either tool's free credits when bounce rates are the metric that matters.