Mailthentic vs ZeroBounce
An honest, side-by-side comparison of features, pricing, and accuracy. See which email verification service is right for your team.
Feature Comparison
Every feature, side by side. No marketing fluff.
| Feature | Mailthentic | ZeroBounce |
|---|---|---|
| Email verification | ✓ | ✓ |
| Bulk list cleaning | ✓ | ✓ |
| SMTP mailbox check | ✓ | ✓ |
| Catch-all detection | ✓ | ✓ |
| Disposable email detection | ✓ | ✓ |
| Role-based detection | ✓ | ✓ |
| SPF / DKIM / DMARC check | ✓ | ✗ |
| Domain health scoring | ✓ | ✗ |
| Free email checker (no signup) | ✓ | ✗ |
| CRM integrations (OAuth) | ✓ | ✓ |
| REST API | ✓ | ✓ |
| Pay-as-you-go credits | ✓ | ✓ |
| Credits never expire | ✓ | ✗ |
| Free credits on signup | 100 | 100 |
Pricing Comparison
Transparent pricing — no hidden fees.
| Volume | Mailthentic | ZeroBounce |
|---|---|---|
| 100 verifications | Free | Free |
| 1,000 verifications | $5.00 | $16.00 |
| 5,000 verifications | $19.00 | $65.00 |
| 25,000 verifications | $69.00 | $260.00 |
Pricing as of March 2026. Mailthentic pay-as-you-go credits never expire. See full pricing
Why Teams Choose Mailthentic
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Up to 75% cheaper than ZeroBounce on every tier
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SPF, DKIM, and DMARC verification included in every check
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Domain health scoring with actionable recommendations
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Free public email checker with no signup required
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Pay-as-you-go credits that never expire
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Simple, transparent pricing with no hidden fees
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9-point verification engine with greylisting retry
Where ZeroBounce Excels
We believe in honest comparisons. Here's where ZeroBounce has advantages:
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Larger brand with more enterprise customers
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Email scoring and activity data features
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Longer track record in the market
Mailthentic Is Ideal For...
Teams that want comprehensive DNS security checks (SPF/DKIM/DMARC) included in every verification, transparent pay-as-you-go pricing, and a free tool to test before committing.
Frequently Asked Questions
Is Mailthentic a good alternative to ZeroBounce?
Yes. Mailthentic offers a comprehensive 9-point verification engine that includes SPF, DKIM, and DMARC checks — something ZeroBounce doesn't include in standard verification. Mailthentic also provides a free public email checker tool, pay-as-you-go credits that never expire, and transparent pricing.
How does pricing compare?
Mailthentic offers pay-as-you-go credit packs starting at $9.99 with no subscription required. Credits never expire. Every new account gets 100 free credits with no credit card needed. See full pricing.
Can I migrate from ZeroBounce?
Yes. Export your email list as a CSV from ZeroBounce and upload it to Mailthentic's bulk verifier. The process takes minutes. You can also use our REST API if you need programmatic migration.
What verification checks does Mailthentic run?
Every verification includes 9 checks: syntax validation, domain existence, MX record lookup, SPF verification, DKIM check, DMARC validation, SMTP mailbox confirmation, disposable email detection, and catch-all detection. All checks are included in every credit — no tiered feature gates.
Ready to try a better alternative?
Start with 100 free verification credits. No credit card required. See the difference for yourself.