Email Verification Comparison

Clearout vs ZeroBounce

Comparing two popular email verification services to help you make an informed decision.

Clearout

Email validation with AI-powered insights

check 20+ validation checks with AI verdict feature
check Only service with native Apollo.io integration
check SOC 2 Type II & ISO 27001 certified for security
close Premium pricing - significantly more expensive than most competitors
close Complex plan structure with multiple tiers can be confusing

ZeroBounce

Email verification and deliverability platform

check Free Verify+ second pass for catch-all and disabled Yahoo/AOL addresses
check Email scoring and activity data features
check Good documentation and API
close Pay-as-you-go pricing becomes expensive at scale
close Interface feels outdated compared to modern alternatives

Key differences that set them apart

Feature comparison between Clearout and ZeroBounce
close Clearout
close ZeroBounce
Pricing Model Premium credit-based pricing that can become expensive for high-volume users. Pay-as-you-go pricing that can quickly become expensive, especially when adding data enrichment features.
Validation Speed Fast verification with 20+ validation checks per email. Validation times can be slower for larger lists, creating bottlenecks for time-sensitive campaigns.
User Interface Modern interface with AI verdict feature for email quality assessment. The interface feels outdated and credit management can be confusing for new users.
API and Integrations 30+ integrations with unique Apollo.io native integration. While it offers extensive integrations, setup can be complex and often requires technical expertise.
Validation Accuracy AI-powered verdict feature provides quality scoring beyond simple pass/fail. SMTP validation that resolves some catch-alls (notably Microsoft 365 and Google Workspace) in the standard pass, plus an optional Verify+ second pass that can take up to 48 hours. Remaining catch-alls can get an activity-based score (0–10) for an extra credit per address — a signal, not a confirmation.

Pricing comparison

Pricing comparison between Clearout and ZeroBounce
Clearout
ZeroBounce
Validate 50k email list
$290 $499
Validate 100k email list
$500 $649
50k API validations
$290 $499
100k API validations
$500 $649

Looking for a better alternative?

Instead of choosing between Clearout and ZeroBounce, consider Truelist: accurate email validation on credits that never expire, with Unlimited plans for high-volume senders.

Truelist logo

Truelist

truelist.io

Free to start

Truelist offers pay-as-you-go validation on credits that never expire — with unlimited plans for high-volume senders — plus advanced Enhanced Validation technology and native integrations with 50+ platforms.

check Enhanced Validation with 2x more accurate results
check Pay-as-you-go credits that never expire
check Volume rates down to $0.70 per 1,000 — plus unlimited plans for high volume
check Modern, intuitive interface
check Native integrations with 50+ platforms
check Built for teams with dashboards and reporting

Ready to put Truelist
to the test?

Find out if Truelist is right for you in under 10 minutes.

Free plan available. No credit card required.