EmailZeno
EmailZeno
MailTester Ninja
Lightweight tool meets full-featured platform — flat-rate pricing, EU hosting, and API depth at a similar entry price.
All competitor data sourced from public pricing and documentation pages. ¹ Footnote marks denote claims verified as of 2026-05-20.
✅ emailzeno wins · ⚠️ MailTester Ninja wins · ➖ Tie
| Dimension | EmailZeno |
MailTester Ninja |
Winner |
|---|---|---|---|
| Pricing model | Flat $9–$79/mo unlimited¹ | Pay-per-verification + bundles¹ | ✅ |
| Accuracy claim | 99.6 % (SMTP + MX layer) | 99 % stated on site¹ | ➖ |
| Free tier | 300 verifications, no card | 25 free verifications/day¹ | ➖ |
| Integrations | 35+ via native + Zapier | No native integrations¹ | ✅ |
| REST API | Full REST + webhooks | API available (limited)¹ | ✅ |
| Refund policy | Auto-credit on hard bounces | No refund policy stated¹ | ✅ |
| GDPR / EU hosting | EU-hosted by default | Unknown — likely US servers¹ | ✅ |
| Support SLA | Email + chat, 24 h SLA | Email support¹ | ✅ |
¹ Competitor data verified from public sources as of 2026-05-20. Pricing and features may change — check the competitor's site for the latest.
MailTester Ninja
¹ As of 2026-05-20. Check their site for latest pricing.
MailTester Ninja is a reasonable entry-level tool for freelancers who only verify a few hundred addresses a month and want a simple web interface without signing up for a subscription. Their 25 free verifications per day model is useful for ongoing low-volume spot checks. The tool is uncomplicated — upload, verify, download — which appeals to less technical users.
emailzeno is a much more capable platform at a similar entry price point. Our Solo plan ($9/mo, 5 000 verifications) costs the same as their 5 000-verification bundle ($29) provides — you get 5× the volume for the same monthly cost, and it renews every month. We offer a full REST API, 35+ integrations, EU hosting, and auto-refunds. For any volume beyond occasional use, emailzeno is the clear upgrade.
Switching from MailTester Ninja? Their CSV output includes an email column with a status field. Export your results, keep bounce/invalid entries for emailzeno's Suppression Manager, and import the verified addresses into your preferred platform. Our bulk upload wizard handles the column mapping automatically.
Import your suppression list →300 verifications /mo · five-minute API integration · credit refund on hard bounces. Trusted by senders who treat sender reputation like the asset it is.