Gigasheet vs Prospeo: A Comparison That Doesn't Make Sense (and What You Actually Need)
If you're searching for Gigasheet vs Prospeo, you're comparing a healthcare price transparency analytics platform to a B2B sales data tool. That's like asking whether you should buy a stethoscope or a phone. They do completely different things.
If Gigasheet showed up in your prospecting research, you're probably seeing older comparisons that treated it mainly as a big-data spreadsheet and enrichment runner - not what it's focused on today.
30-Second Verdict
Gigasheet is a healthcare price transparency analytics platform. Prospeo is a B2B data platform for finding verified emails and phone numbers. They don't compete.
Gigasheet processes 15 trillion+ healthcare rates for payers, providers, and employers. Prospeo covers 300M+ professional profiles with 98% email accuracy for sales teams running outbound. If you're in healthcare analytics, Gigasheet is purpose-built for that. If you need B2B contact data, Prospeo is what you were actually looking for. And if you need a general-purpose data warehouse, skip both and look at Snowflake or BigQuery.
What Is Gigasheet in 2026?
Gigasheet started as a big-data spreadsheet tool - the kind of thing you'd use to wrangle massive CSVs without crashing Excel. The company has since pivoted hard into healthcare price transparency analytics.
The numbers reflect that focus: 15 trillion+ rates processed, 150,000+ users, and a G2 rating of 4.9/5 across 23 reviews, categorized under Big Data Analytics and Healthcare Analytics rather than sales intelligence. AlternativeTo lists Gigasheet alongside Grist, Excel, and Google Sheets - spreadsheet tools, not sales platforms. In February 2026, they launched the Price Transparency Explorer, an AI-powered platform for visualizing and comparing health plan rates.
G2 reviewers praise the intuitive UI and customer support, though some flag that subscription costs jumped after features that were once free moved behind paid plans. Higher tiers - MRF Explorer at $295/month and Healthcare Market Intelligence with custom pricing - confirm this is a healthcare analytics investment, not a sales tool.
What Is Prospeo?
Prospeo is a B2B data platform built around one thing: contact data that actually works when you hit send.
The database covers 300M+ professional profiles, 143M+ verified emails, and 125M+ verified mobile numbers. Every record runs through a 5-step verification process with catch-all handling, spam-trap removal, and honeypot filtering, all on proprietary infrastructure. Data refreshes every 7 days, compared to the 6-week industry average. Search filters go 30+ deep: buyer intent powered by Bombora across 15,000 topics, technographics, job changes, headcount growth, and funding signals.
Here's a real-world example of what that accuracy means in practice. Snyk moved 50 AEs onto Prospeo and saw bounce rates drop from 35-40% to under 5%, with AE-sourced pipeline up 180% and 200+ new opportunities per month. That's the gap between "verified" as a marketing claim and verified as in your emails actually land.
Pricing starts free - 75 verified emails and 100 Chrome extension credits per month, no credit card. Paid plans run roughly $0.01 per email.
If you landed on “Gigasheet vs Prospeo,” you’re not shopping analytics - you’re shopping deliverability. Prospeo gives 98% verified emails, refreshed every 7 days, plus 125M+ mobiles.
Start sending to real inboxes, not “formatted” addresses.
Where They Barely Overlap
Gigasheet does have enrichment capabilities. The Premium plan at $95/month includes 100 enrichment credits per month, and you can run enrichments through Apollo, Hunter Email Verifier, People Data Labs, or any custom REST API.
For any serious outbound workflow, 100 credits/month runs dry in a day.
We've seen teams waste months trying to force spreadsheet tools into prospecting workflows. The core issue is what "email verification" means across these two contexts. Gigasheet's built-in verification checks format, domain, and disposition - classifying emails as organizational, free, or disposable. That's data hygiene, not deliverability verification. Prospeo's 5-step process performs SMTP-level mailbox validation, catches spam traps, removes honeypots, and handles catch-all domains. That's the difference between double-digit bounce rates and sub-5%.
If you've seen older blog posts positioning Gigasheet as a Clay alternative for data enrichment at scale, that content is outdated. The product has moved on.
Here's the thing: even when Gigasheet was a general-purpose spreadsheet tool, it was never a prospecting platform. It could enrich data you already had. It couldn't find new contacts, verify deliverability at the SMTP level, or plug into your outbound stack. The pivot to healthcare just made the mismatch obvious.
Side-by-Side Comparison
| Dimension | Gigasheet | Prospeo |
|---|---|---|
| Category | Healthcare analytics | B2B data platform |
| Primary use | Price transparency analysis | Verified emails, phones, CRM enrichment |
| Email verification | Format/domain classification | Full SMTP verification |
| Database | N/A (processes uploads) | 300M+ profiles, 143M+ emails, 125M+ mobiles |
| Data refresh | N/A | 7 days |
| Free tier | Yes (free plan available) | Yes - 75 emails/month |
| Entry price | ~$79-$95/mo; $295/mo+ for healthcare tiers | Free; paid ~$0.01/email |
| G2 category | Big Data / Healthcare Analytics | Sales Intelligence / Email Finder |
| Key integrations | Apollo, Hunter, People Data Labs, REST APIs | Salesforce, HubSpot, Lemlist, Clay, Smartlead, Instantly, Zapier |
| Best for | Healthcare analysts | Sales teams, agencies, RevOps |
Which One Do You Need?
Use Gigasheet if you analyze healthcare pricing data, hospital negotiated rates, or machine-readable files at scale. The Price Transparency Explorer is genuinely impressive for that use case.
Use Prospeo if you need verified B2B emails and phone numbers for outbound sales, agency campaigns, or CRM enrichment. In our experience, the enrichment credit model on spreadsheet tools breaks down fast when you're sequencing hundreds of contacts per week - and that's exactly the scenario where a dedicated sales prospecting database pays for itself in the first week.
Let's be honest about what this comparison really is. The answer depends entirely on your job function, not feature lists. These tools don't replace each other. The question only makes sense if you don't know what each one does - and now you do.
Spreadsheet enrichment credits run out fast. Prospeo finds and verifies contacts at scale: 300M+ profiles, SMTP-level checks (catch-all + spam-trap removal), and ~$0.01 per verified email.
Build a list that survives your next outbound push.
FAQ
Does Gigasheet find email addresses?
No. It can run enrichments through third-party APIs like Apollo or Hunter Email Verifier, but it doesn't have its own contact database. For contact discovery, you need a dedicated platform like Prospeo, which covers 300M+ profiles with 98% verified email accuracy.
Is Prospeo free to try?
Yes - 75 verified emails and 100 Chrome extension credits per month, no credit card required. Paid plans scale at roughly $0.01 per verified email, with no annual contracts or sales calls needed.
Can I use Gigasheet for sales prospecting?
You can upload a lead list and run API enrichments, but Gigasheet's product focus has shifted entirely to healthcare analytics. Its Premium plan caps enrichment at 100 credits/month - far too few for active outbound. A purpose-built B2B data platform will be dramatically more effective.