Which One Actually Delivers Clean Data?
You're weighing a $39/mo email finder against a $49-$119/user/mo all-in-one platform. They aren't in the same weight class, but neither one wins on data quality. One's too small, the other's too sloppy, and your bounce rates will tell the story either way.
Here's the thing: we've tested both tools against real prospect lists, and the gap between claimed accuracy and actual accuracy is wider than either vendor wants to admit.
30-Second Verdict
- Pick LeadGibbon if you're a solo prospector spending under $100/mo who just needs emails pulled from professional profiles.
- Pick Apollo if you need sequences, a dialer, and 275M+ contacts under one roof.
Feature Comparison
| Feature | LeadGibbon | Apollo.io | Prospeo |
|---|---|---|---|
| Database size | 26M records | 275M+ contacts | 300M+ profiles |
| Starting price | $39/mo | $49/user/mo (annual) | Free (75 emails/mo) |
| Email accuracy | 97% (claimed) | ~65% overall | 98% verified |
| Rating | 4.3/5 (11 reviews on G2) | 4.1/5 (571 reviews) | Used by 15,000+ companies |
| Free tier | 15 credits/week | 5 mobile credits/mo | 75 emails/mo |
| Engagement tools | No | Sequences + dialer | No (pair w/ sequencer) |
| Credits expire? | Monthly, no rollover | Monthly, no rollover | Monthly reset |
| Best for | Solo email lookup | All-in-one outbound | Verified data accuracy |
LeadGibbon - What You Get
LeadGibbon covers 26M records across 3.25M companies in 229 countries. It's a straightforward email finder: Chrome extension, lead database with filters, and a CSV/Google Sheets-style enrichment workflow. You only pay for verified data - unverified guesses don't cost credits.
Users praise the ease of use and responsive customer support, and the $39/mo Basic plan gives you 1,000 verified emails with a clean interface. For a solo operator who needs something simple, it does the job.
Skip this if you need scale or reliability. LeadGibbon claims 97% accuracy, but G2 reviewers flag inconsistent contact info and outdated emails. One reviewer called the database "insufficient" with "frequently incorrect contact information." In a Snov.io extraction test, LeadGibbon found only 5 out of 10 emails from test profiles. That's a coin flip.
LeadGibbon hit 5/10 emails in testing. Apollo hit 6/10. Both require a separate verification layer to stay under 5% bounce rates - meaning you're paying twice. Prospeo's 5-step verification delivers 98% email accuracy out of the box, with data refreshed every 7 days instead of the 6-week industry average.
Stop stacking tools to fix bad data. Start with clean data.
Apollo.io - What You Get
Apollo is the default starting point for teams that want prospecting, sequences, and a dialer in one platform. The database covers 275M+ contacts, the filters are powerful, and the free tier lets you kick the tires. Pricing runs $49/user/mo on the Basic plan up to $119/user/mo for Organization, both on annual billing.
Use this if you're building team-based outbound and want everything under one roof. The sequencing, dialer, and CRM integrations save you from stitching together five different tools - and for teams that prioritize workflow consolidation over per-record accuracy, that tradeoff can make sense.
Skip this if data accuracy matters most. Apollo's overall accuracy sits around 65%, with bounce rates running 15-25% in normal use. The consensus on r/coldemail is even worse - users have reported bounce rates of 32-38% in recent tests. US accuracy holds up better at 80-88%, but international coverage drops to 60-73%. Users also report sequencing delays where emails sit for weeks between steps. Local and SMB prospecting is another weak spot, with users getting generic info@ addresses and disconnected numbers for trades and contractors.
The Real Problem With Single-Source Data
Let's be honest - neither tool is best-in-class for data accuracy, and that's the metric that determines whether your outbound actually works.
LeadGibbon's 97% accuracy claim doesn't hold up against user feedback. Apollo's 275M+ database prioritizes breadth over verification. In the Snov.io extraction test, Apollo found 6/10 emails and LeadGibbon found 5/10. Neither hit 70%.
The industry-acceptable bounce rate threshold is under 5%. Apollo regularly exceeds that by 3-7x. Even teams running Clay with waterfall enrichment across multiple providers still see 10-14% bounce rates, which tells you how hard this problem is to solve with unverified data. Apollo's US data holds up reasonably well; it's international coverage where things fall apart. Teams burn through sender reputation in weeks when they trust databases that refresh every 4-6 weeks instead of verifying each record before it goes out the door.
If your average deal size is under $5k, you probably can't afford the hidden cost of bad data. The domain reputation damage alone will cost you more than the tool subscription.
Who Should Pick Which
Go with LeadGibbon if you're a solo operator spending under $100/mo, you only need email addresses, and you're willing to verify outputs separately before sending. It's cheap, it's simple, and it won't overwhelm you with features you don't need.
Go with Apollo if you need an all-in-one platform for a sales team and you have budget for a separate verification layer on top. The sequencing and dialer alone justify the price for teams running high-volume outbound - just don't trust the emails raw.
Go with neither if deliverability is your primary concern. Both tools require a verification step to hit acceptable bounce rates, which means you're paying twice.
A Third Option Worth Testing
When comparing LeadGibbon vs Apollo.io, the missing variable is usually verification depth. Prospeo covers 300M+ professional profiles with 98% email accuracy backed by a proprietary 5-step verification process. Data refreshes every 7 days versus the 6-week industry average - that refresh cycle is why customers like Meritt cut bounce rates from 35% to under 4% and tripled their pipeline.
The free tier gives you 75 verified emails per month. Paid plans work out to roughly $0.01 per email, and there are 125M+ verified mobiles with a 30% pickup rate - roughly 3x the industry average. It's self-serve, integrates with Salesforce, HubSpot, Instantly, Lemlist, and Clay, and doesn't require a sales call to get started.
Apollo's 15-25% bounce rates and LeadGibbon's coin-flip extraction rates both point to the same problem: unverified data. Meritt switched to Prospeo and cut bounce rates from 35% to under 4% while tripling pipeline. At ~$0.01/email with no contracts, the math isn't close.
Run your next campaign on 98% accurate data - free tier, no credit card.
FAQ
Is LeadGibbon's data really 97% accurate?
G2 reviewers report inconsistent accuracy and outdated contacts, especially outside the US. We'd recommend testing with a small batch on the free tier before committing - results vary significantly by industry and region.
Why are Apollo.io bounce rates so high?
Apollo prioritizes database breadth over per-record verification. Without a separate verification step, bounce rates of 15-25% are common, and some users report rates above 30%. Their US data performs better, but international records drag the overall numbers down hard.
What's the cheapest way to get verified B2B emails?
Prospeo's free tier gives you 75 verified emails per month at 98% accuracy. Paid plans start at roughly $0.01 per email - cheaper than both LeadGibbon and Apollo on a per-verified-contact basis.
Can I use Apollo or LeadGibbon without a verification tool?
You can, but expect bounce rates well above the 5% safe threshold. Most teams pair either tool with a dedicated verification layer, which adds cost and workflow complexity. A tool with built-in multi-step verification eliminates that extra step entirely.