ZoomInfo has some of the deepest B2B data on the market — and the enterprise pricing and annual contracts to match. For a founder or a lean sales team doing their own outbound, that's hard to justify. These alternatives get you most of the way for a fraction of the cost.
Sales intelligence and engagement platform with a large B2B contact database. Find ideal-fit leads, enrich them and run multichannel outreach from one place.
Visit Apollo →AI-powered prospecting and outbound. Enrich leads from 75+ data sources and personalize at scale with GPT-driven copy that actually books meetings.
Visit Clay →A massive B2B contact database and lead generation engine. Find verified emails and direct dials for your ideal prospects instantly.
Visit Seamless.ai →B2B contact enrichment with waterfall data. Find verified emails and direct phone numbers for prospects by combining 15+ data sources in one lookup.
Visit FullEnrich →B2B email lists and verified contact data on demand. Build targeted prospect lists with verified business emails and pay only for the contacts you need.
Visit Bookyourdata →| Tool | Best for | Category |
|---|---|---|
| Apollo | an all-in-one database + outreach with a real free tier | Growth & Revenue |
| Clay | enrichment and automation across many data sources | Growth & Revenue |
| Seamless.ai | real-time contact search | Growth & Revenue |
| FullEnrich | waterfall enrichment for hard-to-find contacts | Growth & Revenue |
| Bookyourdata | pay-as-you-go lists without a subscription | Growth & Revenue |
Apollo is usually the best starting point for lean teams: it combines a sizeable contact database with email sequences and a dialer, and has a usable free tier. Verify data accuracy for your region before high-stakes outreach.
Apollo offers a free tier to start, and pay-as-you-go providers like Bookyourdata let you buy lists without a subscription. Free B2B data is always limited in volume — treat it as a trial.
ZoomInfo is priced and contracted for mid-market and enterprise sales orgs. The depth is real, but most early-stage teams don't need it — which is why the alternatives above exist.
These are our researched picks — not paid placements. Some links are affiliate links: we may earn a commission if you sign up, at no extra cost to you, and it never changes our pick. We don't publish fake or "exclusive" prices — verify current pricing on each provider's site. How we review →