ZoomInfo Alternative: ProspectData.io vs ZoomInfo Compared
Looking for a ZoomInfo alternative? Here is how ProspectData.io and ZoomInfo describe their data, buyer intent and website visitor tools, using each company’s own public pages checked on 27 October 2026.
ProspectData.io is one of our own tools, so we have an interest in this comparison. Every ZoomInfo fact comes from zoominfo.com and is linked below.
What each lists on its own pages
Numbers are each company’s own claims. They count different things, so read the small print.
ProspectData.io vs ZoomInfo at a glance
| ProspectData.io | ZoomInfo | |
|---|---|---|
| Contact database | 240M+ contacts, counting B2B and consumer contacts (110M+ are B2B). | Verified data on 500M+ contacts and 100M+ companies. |
| Website visitors | Identifies and enriches a US visitor in under 1 second. Match rate up to 70%. | WebSights, ZoomInfo’s website visitor product, appears in its platform. |
| Buyer intent | 40K+ buyer intent categories, refreshed daily. | Buyer intent data is a listed capability. |
| Audiences | Competitor searcher audiences and an audience builder with one-click export. | See zoominfo.com for its audience tools. |
| Data per visitor | Name, email, phone, title, seniority, LinkedIn URL, company, industry, employee count and revenue range. | See zoominfo.com for the fields it returns. |
| Where the data goes | Salesforce, HubSpot, Slack, Zapier, REST API and webhooks. | See zoominfo.com for its current integrations. |
What ProspectData.io is built for
Visitors by name
ProspectData.io says it identifies and enriches a US visitor in under a second, with name, email, phone, title and LinkedIn URL.
Intent you can watch daily
40K+ buyer intent categories, refreshed every day.
Competitor searchers
Audiences of people searching for your competitors, exported in one click.
Plugs into your tools
Salesforce, HubSpot, Slack, Zapier, a REST API and webhooks.
ZoomInfo lists a much larger database, 500M+ contacts against ProspectData.io’s 240M+, which counts B2B and consumer contacts (110M+ are B2B). Database size is one measure. How well each tool covers the buyers you actually sell to matters more, and the best way to test that is a pilot on your own target list.
ProspectData.io may suit you if you want to
- Identify your US website visitors by name
- Track a wide range of buyer intent categories every day
- Build audiences from people searching for competitors
- Move data into HubSpot, Salesforce or Slack
Need the data worked for you? See our intent data and website visitor identification services, where we turn signals into outreach and booked meetings.
ProspectData.io is one of our tools, so we have a stake in this comparison. Every ZoomInfo fact here comes from ZoomInfo’s own pages, checked on 27 October 2026 and linked below. Packages change, so confirm details with ZoomInfo before you decide.
Sources checked 27 October 2026
- ZoomInfo pricing page: custom packages and the “Get pricing” form.
- ZoomInfo homepage: database size, ZoomInfo Lite and free trial.
- ProspectData.io: visitor identification, intent categories, database size and integrations.
Is ProspectData.io a ZoomInfo alternative?
It overlaps with ZoomInfo on business contact data, buyer intent and website visitor identification. This page compares those areas using each company’s own public claims.
Which has the bigger database?
ZoomInfo lists 500M+ contacts and 100M+ companies. ProspectData.io lists 240M+ contacts, counting B2B and consumer contacts. 110M+ of those are B2B.
Does ZoomInfo publish its prices?
Its pricing page describes custom packages based on your B2B data use cases, with a “Get pricing” form and no list prices.
Does ProspectData.io identify website visitors?
Yes. It says it identifies and enriches US visitors in under a second, with a match rate of up to 70%. Most sites see 50 to 70%.
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