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Best AI tools to find and verify email addresses

Short answer

Apollo.io ranks #1 for find and verify email addresses (score 8.9/10). Pricing: $49/seat/mo (billing period unconfirmed); free tier: yes. Runners-up: Hunter, Lusha.

Top 5, ranked by our published rubric. Sponsorship never affects the order. Last updated 2026-10-13.

Compare the top 5 side by side
#ToolScorePricingPaid fromFree tierWhat it is
1Apollo.io8.9Free tier$49/seat/mo (billing period unconfirmed)yesSales prospecting database and outreach
2Hunter8.6From $34From $34/month as listedUnverifiedFind and verify professional email addresses
3Lusha8.2Free tierStarter $37.45/mo, billed yearlyyesB2B contact data for prospecting
4Seamless.AI6.7Free tierUnverifiedyes (50 credits/mo)Sales contact search
5Cognism5.5CustomCustom (contact sales for pricing)UnverifiedB2B sales intelligence and contact data

Sales prospecting database and outreach

Score 8.9/10Paid from: $49/seat/mo (billing period unconfirmed)Free tier: yesLast verified 2026-10-13

Why ranked: Its own site says: β€œApollo is the AI sales platform rebuilt as one connected AI GTM system: data, intelligence, and execution for the entire go-to-market motion.” We placed it 2nd of 5 on fit for this task. Free tier; paid from $49/seat/mo (billing period unconfirmed).

Fit 8.5 Β· value 8.8 Β· breadth 10 Β· availability 10 (how we score) Β· pricing source Β· site live

Find and verify professional email addresses

Score 8.6/10Paid from: From $34/month as listedFree tier: UnverifiedLast verified 2026-10-13

Why ranked: Its own site says: β€œHunter is the leading solution to find and verify professional email addresses.” We placed it 1st of 5 on fit for this task. No free plan confirmed; paid from From $34/month as listed.

Fit 10.0 Β· value 5.6 Β· breadth 8 Β· availability 10 (how we score) Β· pricing source Β· site live

B2B contact data for prospecting

Score 8.2/10Paid from: Starter $37.45/mo, billed yearlyFree tier: yesLast verified 2026-10-13

Why ranked: Its own site says: β€œVerified B2B data: 515M+ contacts, 132M in the US, and 26 buying signals.” We placed it 3rd of 5 on fit for this task. Free tier; paid from Starter $37.45/mo, billed yearly.

Fit 7.0 Β· value 8.8 Β· breadth 10 Β· availability 10 (how we score) Β· pricing source Β· site live

SPONSORED Your tool here: paid placement is shown here, separate from the ranking, and never changes the order. Advertise

Sales contact search

Score 6.7/10Paid from: UnverifiedFree tier: yes (50 credits/mo)Last verified 2026-10-13

Why ranked: Its own site says: β€œAI-powered lead generation software that helps businesses find verified B2B contacts, direct dials, and emails.” We placed it 4th of 5 on fit for this task. Pricing unverified.

Fit 5.5 Β· value 8.1 Β· breadth 6 Β· availability 10 (how we score) Β· pricing source Β· site live

B2B sales intelligence and contact data

Score 5.5/10Paid from: Custom (contact sales for pricing)Free tier: UnverifiedLast verified 2026-10-13

Why ranked: Its own site says: β€œCognism is a leader in premium sales intelligence, setting a new standard for data quality and compliance, trusted by over +4000 customers worldwide.” We placed it 5th of 5 on fit for this task. No public price (sales-led).

Fit 4.0 Β· value 5.0 Β· breadth 8 Β· availability 10 (how we score) Β· pricing source Β· site live

FAQ

What is the best AI tool to find and verify email addresses?

By TaskRanking's published rubric, Apollo.io ranks first, followed by Hunter and Lusha.

Is there a free AI tool to find and verify email addresses?

Yes: Apollo.io has a free tier per its own pricing page (checked 2026-10-13).

How are these tools ranked?

Score = 50% fit, 25% value (from vendor pricing pages), 15% breadth, 10% availability. Sponsorship never affects rank.

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