Best email verification tools
Verify lists before cold outreach to protect deliverability.
How this list works: Listed alphabetically. Pricing verified against vendor pages on 2026-10-16. No placement here is paid. Methodology.
| Tool | What it is | Price (vendor-published) | Free plan | Channels |
|---|---|---|---|---|
| BetterContact | Waterfall enrichment; charges only for verified emails and mobiles. | Starter $15/mo monthly; Pro $49/mo; Enterprise from $799/mo | — | — |
| Clearout | Email verification and finder. | Prepaid credits: pay-as-you-go, monthly or annual subscriptions (up to 20% off); credits never expire; 100 free credits to start | — | — |
| MillionVerifier | Bulk email list verification. | One-time credit packages from $39; e.g. 50,000 verifications $89, 1 million $449; credits never expire | — | — |
| ZeroBounce | Email validation and deliverability tools. | Freemium (100 validations); pay-as-you-go from $39; ZeroBounce ONE $99/mo | Yes | — |
| Hunter | Email finder, verifier and outreach tools. | Free 50 credits; Starter $49/mo monthly ($34 annual) | Yes | |
| Snov.io | Email finder, verifier and drip campaigns. | Starter $39/mo; Pro from $99/mo | — | email, linkedin |