Apollo.io
apollo.io
Contact database plus outbound engine
from $49/moFree plan
Hunter
Find and verify work email addresses
Free plan availableLead GenerationSince 2015
from $34/moVisit hunter.io
What Hunter is
Domain search, email finder and a bulk verifier, plus a simple campaign sender. The long-standing default for quick email lookups.
People use it to
Current offers
Free plan
Free plan, no card required
Ongoing free tier published by the vendor. Limits vary by plan.
Hunter alternatives
Other tools in lead generation that cover similar ground. Full comparison.