Datanyze vs ProsperFleet (Valgen): Which One Do You Actually Need?
Comparing Datanyze to ProsperFleet (Valgen) is like comparing a sedan to a dump truck. One handles everyday driving; the other hauls loads no sedan ever could. If you're selling into fleets and relying on a general B2B database to find prospects, up to 85% of your effort is wasted - because revenue and employee count tell you nothing about whether a company runs 50 medium-duty trucks or zero.
On r/sales, teams routinely hunt for cheaper alternatives to enterprise platforms like ZoomInfo ($15K+/year), and Datanyze is one of the names that comes up. But cheap general data and fleet-specific intelligence are two entirely different problems.
30-Second Verdict
- Pick ProsperFleet if you sell to fleets and need vehicle-count intelligence, duty-class breakdowns, and location-level data no general B2B tool carries.
- Pick Datanyze if you need cheap, fast B2B contact lookups via a Chrome extension and don't care about fleet data.
- Skip both if your real problem is bouncing emails and dead phone numbers - a contact verification layer solves what neither of these tools addresses.
Feature Comparison
| Dimension | Datanyze | ProsperFleet (Valgen) |
|---|---|---|
| Use case | B2B contacts + technographics | Fleet & vehicle intelligence |
| Database | 120M contacts | 30M vehicles, 2.2M contacts |
| Fleet data | ✗ | ✓ (light-, medium-, and heavy-duty) |
| Technographics | ✓ | ✗ |
| Email accuracy | Accuracy guarantee (refunds for errors) | 90% guarantee |
| Data refresh | Not published | 30-90 day cycle |
| Chrome extension | ✓ | ✗ |
| CRM integrations | Limited | Salesforce, HubSpot |
| G2 rating | 4.1/5 (446 reviews) | 4.0/5 (3 reviews) |
| Pricing | Free tier; $29/mo and $55/mo paid plans | Quote-based (mid-four to low-five figures/year) |


Datanyze charges $0.34/reveal with accuracy complaints. ProsperFleet guarantees 90% on just 2.2M contacts. Prospeo delivers 98% email accuracy across 143M+ verified emails at $0.01 each - with a 7-day refresh cycle that keeps data current while others go stale.
Stop paying more for emails that bounce. Start at 75 free credits.
What Datanyze Does Well
Datanyze is a lightweight Chrome extension play. You browse company websites or professional profiles, click the extension, and pull emails, direct dials, and tech stack data. In our testing, the extension is genuinely fast for one-off lookups - no learning curve, no onboarding call.

The free tier gives you 10 credits per month. Paid plans start at $29/month, and the $55/month tier includes 160 credits - roughly $0.34 per reveal. That's not cheap at scale. Datanyze earns a 4.1/5 on G2 across 446 reviews, and the technographic data - knowing what tools a company runs - is something ProsperFleet doesn't offer at all.
Here's the thing, though. Accuracy is a recurring complaint. Users bring up outdated contacts and bouncing emails constantly. Customer support is rough; one G2 reviewer described needing 20-30 emails just to get a response. International coverage in APAC and the Middle East is thin. Datanyze works fine as a quick-draw tool for a handful of lookups per day. It falls apart when you need volume or when deliverability actually matters for cold email campaigns.
ProsperFleet: Fleet Intelligence No General Tool Carries
ProsperFleet exists because general B2B databases are structurally blind to fleet data. One ABM platform's fleet intent recommendations had as low as a 6% fit rate - meaning 94% of suggested accounts didn't even have the right vehicles. That's not a rounding error. That's a broken workflow.

Its database covers 30M vehicles, 1.2M companies, 1.6M locations, and 2.2M contacts across the U.S., segmented by vehicle duty class, fleet size, cargo carried, and 40 fleet industries. We've seen teams get the most value from two features general tools can't replicate: light-duty vehicle coverage (vans, service vehicles) that most platforms miss entirely, and location-level data that goes beyond HQ to include yards, branches, and warehouses.
Valgen runs a serious QA process behind the scenes: roughly 1M phone calls per month to verify records, monthly email verification, and a 90% email accuracy guarantee. Salesforce and HubSpot integrations let you enrich existing accounts with fleet data directly.
The downsides are real, though. Only 3 reviews on G2 (4.0/5), so the validation footprint is tiny. No public pricing - expect mid-four to low-five figures annually. One reviewer noted limited filters. And the contact database at 2.2M is small compared to general tools. But ProsperFleet's value isn't contact volume - it's the data no one else has. Only ~1% of companies with 5+ fleet vehicles have a dedicated fleet job title, so keyword-searching "fleet manager" in a general database misses 99% of your buyers.
When to Pick Each Tool
Let's be honest: if your deal size scales with fleet count and you're still prospecting with a general B2B database, you're not saving money. You're lighting it on fire.

Use ProsperFleet when you sell to commercial fleets - telematics, fuel cards, maintenance, insurance - and need vehicle-level intelligence to qualify accounts before outreach.
Use Datanyze when you need quick B2B contact lookups across any industry, care about technographics, and want self-serve pricing under $60/mo with no sales call required.
Use both when you need ProsperFleet to identify the right fleet accounts, then a separate tool to get verified emails and dials for the decision-makers. That's actually the workflow Valgen recommends - fleet intelligence and contact accuracy are two different problems, and trying to solve both with one tool means you solve neither well.

ProsperFleet identifies the right fleet accounts. Now you need verified contact data for the decision-makers. Prospeo's 300M+ profiles, 125M+ verified mobiles, and 98% email accuracy close the gap between fleet intelligence and actual outreach.
Pair fleet data with contacts that connect - 75 free emails, no card required.
FAQ
Does ProsperFleet replace Datanyze?
No. ProsperFleet provides fleet and vehicle intelligence - vehicle counts, duty classes, location-level data - while Datanyze provides general B2B contacts and technographics. They solve different problems and often work best paired together with a verification layer for accurate outreach.
Is ProsperFleet pricing public?
It isn't. Expect mid-four to low-five figures annually depending on data scope and seats. Datanyze starts free, with paid plans from $29/month and a $55/month tier at 160 credits.
What's the best way to get accurate emails for fleet contacts?
Pair ProsperFleet for fleet account identification with a dedicated verification tool. Prospeo offers 98% email accuracy, a 7-day refresh cycle, and 75 free credits per month - enough to validate the workflow before committing budget.
Can Datanyze provide fleet vehicle data?
No. Datanyze tracks technographics (software a company uses), not physical assets like vehicles. For vehicle counts, duty-class breakdowns, and location-level fleet intelligence, ProsperFleet is the only dedicated option on the market.
