Adapt.io vs LeadGibbon: Which B2B Data Tool Should You Actually Use?
Your bounce rate spiked and now you're auditing where your emails actually come from. Here's the thing: the real difference between Adapt.io and LeadGibbon comes down to billing mechanics, verification rules, and workflow constraints - not feature checklists.
30-Second Verdict
- Pick LeadGibbon if you want a simple Chrome extension-to-CSV workflow and only pay for verified emails. Budget-friendly for small-batch exports.
- Pick Adapt.io if you need a broader prospecting database with CRM integrations, phone credits, and API/enrichment workflows. It's the more complete platform.
- Skip both if your real problem is data accuracy and freshness. Prospeo delivers 98% email accuracy on a 7-day refresh cycle, self-serve, no contracts - and starts free.
Pricing and Credits
Pricing verified March 2026.
| Plan | Monthly Price | Email Credits | Phone Credits | Key Limits |
|---|---|---|---|---|
| Adapt Free | $0 | 25 | - | 25 contacts/day |
| Adapt Starter | $49 | 500 | - | 50/day, CSV export |
| Adapt Basic | $99 | 1,000 | 100 | 100/day, CRM export |
| Adapt Custom | Talk to sales | Custom | Custom | API, job alerts |
| LeadGibbon Free | $0 | 15/week | - | 5 credits on signup |
| LeadGibbon Basic | $39 | 1,000 | 25 | Credits expire monthly |
| LeadGibbon Pro | $99 | 10,000 | 50 | Credits expire monthly |
| LeadGibbon Business | $299 | 30,000 | 125 | Credits expire monthly |
LeadGibbon credits expire monthly and don't roll over - use them or lose them. Adapt's pricing is credit-based, not seat-based, so you can add users without buying per-seat licenses. On annual billing, Adapt drops to $490/yr for Starter and $990/yr for Basic, roughly a 20% savings.
If you're comparing cost per lead across tools, it helps to benchmark against other sales prospecting databases and how they handle expiring credits.
Both Adapt.io and LeadGibbon gate phone credits and let unused emails expire. Prospeo gives you 300M+ profiles, 125M+ verified mobiles, and 98% email accuracy on a 7-day refresh cycle - at ~$0.01/email with no expiring credits.
Stop losing credits at month-end. Get data that actually connects.
Data Quality and Verification
Nothing kills outbound faster than "verified" data that still bounces.
LeadGibbon's model is pay-only-for-verified. Their extension pings the company server and only charges for "valid" results - emails with less than 1% bounce probability. Accept-All (Risky) results come free and are correct more than 75% of the time. That sounds great on paper. But G2 reviewers flag "old email addresses, old phone numbers" and emails that feel "guessed." With only 11 G2 reviews at 4.3/5, the sample is small, though the complaint pattern is consistent. Capterra rates LeadGibbon 4.7/5 from just 3 reviews - too thin to draw conclusions from.
Adapt.io has broader market validation: 4.6/5 from 2,789 G2 reviews. That's not just a better score, it's a completely different scale of adoption. We've tested the data and found it solid, but we still layer a dedicated verification tool on top to keep bounce rates under 3%. If you're trying to diagnose what's driving bounces, start with email bounce rate benchmarks and root causes. No B2B database is perfect, and anyone who tells you otherwise is selling something.
Let's be honest about the tradeoff. If your average deal size is under $5k, you probably don't need Adapt's full platform. LeadGibbon's extension workflow gets you 80% of the way there at a fraction of the cost. But if you're running real outbound sequences at scale, LeadGibbon's constraints will bite you fast.
Workflow and Integrations
This is where the two tools genuinely split.
LeadGibbon requires a Sales Navigator subscription - no way around it. You run a search in Sales Nav, hit the LeadGibbon button, and export up to 1,000 leads per scrape to Google Sheets or CSV. Don't log out of your browser during the scrape or it fails. We've found that fragility gets old quickly when you're pulling lists weekly. Simple workflow, but constrained in ways that compound over time.
Adapt.io gives you a standalone database with advanced search filters, a Chrome extension that works on professional profiles and company websites, and native CRM integrations with Salesforce, HubSpot, Pipedrive, Zoho, Outreach, and Salesgear. API access - Prospect, Enrich, and Refresh endpoints plus webhooks - unlocks on the Custom plan. Adapt also shows up on data-broker opt-out lists, a sign it's part of the broader data-broker ecosystem many teams already pull from.
The decision boils down to "CRM enrichment + database search" versus "extension-driven export to Sheets." If you're building repeatable outbound, pair your data source with proven sales prospecting techniques so list quality doesn't get wasted.
When to Skip Both
If bounced emails and stale contacts are your core problem, neither Adapt.io nor LeadGibbon solves it at the root.
Prospeo covers 300M+ professional profiles with 98% email accuracy and a 7-day refresh cycle versus the 6-week industry average. You get 125M+ verified mobile numbers with a 30% pickup rate across all plans, and the enrichment API matches at 92%. Over 30 search filters include buyer intent powered by Bombora, so you're not just finding contacts - you're finding contacts who are actually in-market. Native integrations cover Salesforce, HubSpot, Smartlead, Instantly, Lemlist, Clay, Zapier, and Make, which means you're not locked into a Sheets-only workflow or gated behind a "talk to sales" wall.
If you're still seeing deliverability issues after switching data sources, use an email deliverability guide to fix the sending-side variables too.
LeadGibbon locks you into Sales Navigator. Adapt.io locks API behind 'talk to sales.' Prospeo gives you 30+ search filters, buyer intent data, CRM integrations, and enrichment API access - all self-serve, no contracts.
Skip the gatekeepers. Build verified lists in minutes.
FAQ
Is LeadGibbon accurate enough for cold outreach?
LeadGibbon's "valid" emails carry less than 1% bounce probability on paper, but G2 reviewers consistently report stale addresses and guessed formats. If deliverability is critical for your domain reputation, pair it with a dedicated verification tool before sending.
Does Adapt.io offer API access?
Only on the Custom plan, which requires contacting sales. Starter and Basic don't include API, so budget accordingly if enrichment automation is a priority for your team.
What if I need verified mobile numbers?
Neither tool excels here on lower tiers. Adapt gates phone credits to Basic at 100/month, and LeadGibbon's phone allotments are thin at 25-125 depending on plan. For teams where direct dials drive pipeline, look for a provider with deeper mobile coverage - Prospeo offers 125M+ verified mobiles with a 30% pickup rate across all paid plans at 10 credits per number.
Which tool is better value for small teams?
LeadGibbon's $39/month Basic plan gives you 1,000 email credits with a simple extension workflow - hard to beat on price alone. But credits expire monthly, and you're locked into Sales Navigator. Prospeo's free tier includes 75 emails plus 100 Chrome extension credits monthly with no expiration pressure, making it the lowest-risk starting point if you want to test before committing budget.