MillionVerifier is known for budget bulk checks, but charges $39 minimum for 10k, $79 for 50k, has no recurring free tier, and lacks signed webhooks. KaijuVerifier gives you $19/10k, $49/50k, sub-second API, and Multi-Sheet .XLSX preservation.
Slide to your monthly email verification volume to see your exact savings:
| Feature / Metric | ⚡ KaijuVerifier | MillionVerifier |
|---|---|---|
| 10,000 Verifications | $19 / mo (or $19 for 5k Non-Expiring Pack) | $39 |
| 50,000 Verifications | $49 / mo | $79 |
| 250,000 Verifications | $149 / mo | $249 |
| Recurring Free Tier | ✅ 100 / month forever (Full Smart SMTP) | None (limited trial only) |
| Unknown / Greylisted Billing | ✅ $0 (100% Free — never deducted) | ✅ Refunded |
Multi-Sheet Excel (.XLSX) |
✅ Native Multi-Tab Upload & Export | ⚠️ Single-sheet only |
| Unused Credit Rollover | ✅ Monthly Rollover + Never-Expiring Packs | ✅ Credits do not expire |
| Disposable Email Registry | ✅ 1,000,000+ domains updated daily | ~100,000 domains |
| Pre-DNS Consumer Typo Guard | ✅ Auto-suggests gmial.com → gmail.com ($0 cost) |
⚠️ Basic syntax only |
| Included Free Deliverability Suite | ✅ B2B Email Finder + 360° SPF/DKIM/DMARC/DNSBL Audit | ❌ Paid add-on or not included |
MillionVerifier can be slightly cheaper on one-off multi-million archive dumps where API speed and multi-sheet Excel aren't needed.
For 95% of SaaS products, growth agencies, cold outreach teams, and e-commerce stores, KaijuVerifier delivers identical 99%+ SMTP accuracy at up to 51% lower cost.
Read our in-depth editorial breakdown →Instant client-side pre-scan (0 credits) + live 5-email Smart SMTP sample check before you even sign up.
Compare our real-time latency, composite 0–100 score, and catch-all/typo detection against MillionVerifier — free and without signup:
Yes. KaijuVerifier charges $19 for 10,000 emails (vs $39 on MillionVerifier), $49 for 50,000 emails (vs $79), and $149 for 250,000 emails (vs $249).
KaijuVerifier includes a 7-Layer Smart SMTP engine with pre-DNS typo suggestions, 1M+ disposable domains, Multi-Sheet .XLSX workbook preservation, HMAC-SHA256 webhooks, and 100 free monthly credits.