Last updated: March 2026
MailTester Ninja is a budget-oriented verifier that covers basic SMTP verification. It lacks catch-all probability scoring and has limited API depth, making it a poor choice for B2B teams working with corporate email domains.
| Feature | VeriMails | MailTester Ninja |
|---|---|---|
| Pricing (5K emails) | $29 (10K credits) | $29/mo (10K) |
| Catch-all Detection | Probability score 0–100 | No scoring |
| SMTP Verification | Full handshake | Yes |
| Bulk CSV Upload | Yes — any format | Yes |
| REST API | Full API + webhooks | Basic API |
| Disposable Detection | 2,000+ providers | Limited |
| Role-based Detection | Yes | Partial |
| Free Tier | 25/day, no credit card | Trial only |
| Credits Expiry | Never expire | Monthly |
25 free verifications daily — no credit card. Run the same test list through both services and compare accuracy directly.
Start FreeBetter catch-all intelligence, lower cost, credits that never expire. No reason to wait.
Get Started Free