Do ZeroBounce and MillionVerifier both offer free plans?

Yes. ZeroBounce provides 100 free validation credits per month, plus 10 email finder credits and a few inbox/server tests. MillionVerifier offers 500 trial credits for new business email signups and a free EverClean plan for up to 1,000 emails. Mailsfinder offers 100 free credits every day (roughly 3,000 per month) with no credit card required, which is significantly more generous than either tool.

Is there an alternative that combines email finding with verification?

Yes. ZeroBounce and MillionVerifier are primarily verification-only tools. If you need to find email addresses and verify them in a single workflow, Mailsfinder bundles both capabilities in one credit system. The Pro plan gives you 10,000 credits for $49/mo, and the Agency plan delivers 100,000 credits for $99/mo with dual-layer SMTP verification included. You also get 100 free credits daily with no credit card required.

ZeroBounce vs MillionVerifier: Email Verification Compared (2026)

Q: Can I use ZeroBounce or MillionVerifier with my email platform?

Both tools offer integrations with popular email platforms. ZeroBounce connects with Zapier (8,000+ apps), HubSpot, Mailchimp, and other ESPs natively. MillionVerifier has 30+ direct integrations including Mailchimp, HubSpot, ActiveCampaign, Pipedrive, Zoho, and Brevo. MillionVerifier's EverClean feature can connect directly to your ESP and automatically re-verify your list on a schedule. For automation-heavy workflows, Mailsfinder integrates with n8n and Make.com.

gavel OUR VERDICT

ZeroBounce is the premium choice. With a 99.6% accuracy guarantee backed by a refund policy, AI-powered catch-all scoring, spam trap detection, and an Activity Score that predicts engagement, it gives deliverability teams the confidence to send at scale. The 24/7 chat support rated 4.7+ across review platforms seals the deal for teams that need reliability. The trade-off is cost: ZeroBounce sits at the expensive end of the market.

MillionVerifier is the budget champion. Starting at $39 for 10,000 credits ($0.0039/email) with credits that never expire, it is the cheapest verification tool in the market at every volume tier. The EverClean automated list cleaning feature is a genuine differentiator. The trade-off is reliability, as users report inconsistencies on Yahoo/Hotmail addresses and support response times averaging 72 hours.

If you need email finding and verification in a single tool, Mailsfinder bundles both for $49/mo (10K credits) or $99/mo (100K credits) with dual-layer SMTP verification included.

99.6%

ZeroBounce accuracy guarantee

$0.0039

MillionVerifier cost per email

$0.001

Mailsfinder cost (find + verify)

Feature-by-feature comparison

Feature	ZeroBounce	MillionVerifier
Core strength	Accuracy + deliverability suite	Cheapest per-email cost
Entry price	$16/2K (PAYG) ~$0.008/email	$39/10K (one-time) $0.0039/email
100K credits cost	$358/mo (ONE annual) $0.00358/email	$149 (one-time) $0.00149/email
Free plan	100 validations/mo	500 trial credits
Accuracy guarantee	99.6% (with refund)	Money-back if bounces >4%
Credit expiration	PAYG: 12 months	Never expire
Spam trap detection	check_circle Dedicated database	close
Catch-all handling	AI scoring Confidence levels	Flagged only
Activity/engagement score	check_circle AI Activity Score	close
Auto list cleaning	close	check_circle EverClean feature
Integrations	Zapier (8K+), HubSpot, Mailchimp	30+ ESPs/CRMs (Mailchimp, HubSpot, ActiveCampaign, Brevo)
G2 rating	4.7/5 1,361 reviews	4.3/5 28 reviews
Capterra rating	4.7/5 461 reviews	4.4/5 ~100 reviews

Calculate your verification cost

Compare what you would pay across ZeroBounce, MillionVerifier, and Mailsfinder.

Emails to verify

10,000

2K100K250K500K

ZeroBounce

$69

$0.0138/email

MillionVerifier

$39

$0.0039/email

FIND + VERIFY

Mailsfinder

$49/mo

$0.0049/email (find + verify)

Try Mailsfinder free

shield What ZeroBounce does better

check_circle 99.6% accuracy guarantee with a money-back refund if results fall short.
check_circle Only tool in this comparison with dedicated spam trap detection.
check_circle AI-powered Activity Score predicts email engagement likelihood.
check_circle 24/7 live chat support rated 4.7+ across all review platforms.

savings What MillionVerifier does better

check_circle Cheapest per-email verification cost in the market at every tier.
check_circle Credits never expire, so you can buy in bulk without time pressure.
check_circle EverClean auto-verifies your list on a schedule connected to your ESP.
check_circle 30+ direct ESP/CRM integrations (Mailchimp, HubSpot, ActiveCampaign, Brevo).

Choose ZeroBounce if...

Your sender reputation is critical and you cannot afford bounces above 1%. ZeroBounce fits email marketing teams at e-commerce companies, deliverability specialists managing high-volume sends, and anyone who needs spam trap detection and engagement scoring alongside verification. The premium pricing is justified when a single deliverability incident costs more than the annual ZeroBounce bill.

Choose MillionVerifier if...

You have large lists to clean and budget matters more than premium features. MillionVerifier works well for cold email agencies running regular list hygiene, marketing teams cleaning purchased or scraped databases, and startups that need verification at scale without committing to a monthly subscription. The EverClean feature is especially valuable if you want set-and-forget automated cleaning.

Need finding and verification in one tool?

ZeroBounce and MillionVerifier are verification-only tools. You still need a separate email finder to build your list before verifying it. Mailsfinder eliminates that extra step and extra subscription.

Every email address Mailsfinder finds goes through dual-layer SMTP verification automatically. You get 100 free credits daily with no credit card required, and paid plans start at $49/mo for 10,000 credits. The Agency plan delivers 100,000 credits for $99/mo, bringing your combined find-and-verify cost down to $0.001 per email.

Metric	ZeroBounce	MillionVerifier	Mailsfinder
10K credits cost	$79/mo (ONE annual)	$39 (one-time)	$49/mo (find + verify)
100K credits cost	$358/mo (ONE annual)	$149 (one-time)	$99/mo
Email finding included	Limited (20 credits/find)	close	verified Yes (dual-layer SMTP)
Free plan	100/mo	500 trial	100/day (3,000/mo)

alternate_email

Mailsfinder Agency

100K credits for $99/mo

check_circle Find + verify in one credit system
check_circle 99% verification accuracy
check_circle REST API + n8n/Make.com integrations
check_circle 100 free credits daily, no card needed

Try Mailsfinder free

Our evaluation methodology

verified

Verification accuracy

We cross-reference official accuracy claims with real user reports on G2, Capterra, and Reddit to measure actual bounce rates.

filter_alt

Catch-all handling

We evaluate how each tool processes catch-all domains, whether it flags, scores, or discards them, and how that affects usable results.

paid

True cost per clean email

We calculate cost per usable email across all pricing tiers, accounting for credit expiration policies and minimum purchase requirements.

Frequently asked questions

Is ZeroBounce more accurate than MillionVerifier? expand_more

ZeroBounce claims 99.6% accuracy and backs it with a money-back refund guarantee. MillionVerifier claims 99% and offers a money-back guarantee if hard bounces exceed 4% within 7 days. In practice, ZeroBounce tends to be more reliable on enterprise domains and catch-all addresses thanks to its AI-based scoring. MillionVerifier can be inconsistent on Yahoo and Hotmail addresses according to user reports on Reddit and Capterra. For standard B2B lists, both perform adequately, but ZeroBounce has the edge on difficult-to-verify domains.

Which is cheaper, ZeroBounce or MillionVerifier? expand_more

MillionVerifier is significantly cheaper at every volume tier. Their 10,000-credit pack costs $39 ($0.0039/email), while ZeroBounce charges $69 for 5,000 PAYG credits. At the 100,000 level, MillionVerifier costs $149 (one-time) versus ZeroBounce's ONE plan at $358/mo (annual). MillionVerifier credits also never expire, while ZeroBounce PAYG credits expire after 12 months. If budget is your primary concern, MillionVerifier is the clear winner.

Do both tools offer free plans? expand_more

Yes. ZeroBounce provides 100 free validation credits per month, plus 10 email finder credits and inbox/server testing. MillionVerifier offers 500 trial credits for new accounts with a business email, plus a free EverClean plan for up to 1,000 emails. Mailsfinder provides 100 free credits every day (roughly 3,000/month) with no credit card required, which is substantially more than either tool.

Which handles catch-all emails better? expand_more

ZeroBounce handles catch-all domains better. It uses AI-based scoring to assign confidence levels to catch-all addresses, helping you decide which are worth sending to. MillionVerifier flags catch-all addresses but does not provide confidence scoring, leaving you to decide whether to include or exclude them entirely. If your list has a significant number of catch-all domains, ZeroBounce gives you more actionable data.

Can I connect these tools to my email platform? expand_more

Both tools integrate with popular email platforms. ZeroBounce connects via Zapier (8,000+ apps), HubSpot, and Mailchimp. MillionVerifier has 30+ direct integrations including Mailchimp, HubSpot, ActiveCampaign, Pipedrive, Zoho, and Brevo. MillionVerifier's EverClean feature can connect directly to your ESP for automated recurring verification. For automation workflows, Mailsfinder integrates with n8n and Make.com.

Is there an alternative that includes email finding? expand_more

ZeroBounce and MillionVerifier are primarily verification-only tools. If you need to find email addresses and verify them in a single workflow, Mailsfinder bundles both in one credit system. The Pro plan gives you 10,000 credits for $49/mo, and the Agency plan delivers 100,000 credits for $99/mo with dual-layer SMTP verification included. You also get 100 free credits daily.

ZeroBounce vs MillionVerifier: premium accuracy or budget pricing?