Verifalia's "High" and "Extreme" quality levels consume 2× to 4× credits per email address — turning a 50,000-email list into 200,000 billed credits. On KaijuVerifier, our deepest 7-Layer Smart SMTP pass is always 1 credit ($0 for Unknowns).
Slide to your monthly email verification volume to see your exact savings:
| Feature / Metric | ⚡ KaijuVerifier | Verifalia |
|---|---|---|
| 10,000 Verifications | $19 / mo (or $19 for 5k Non-Expiring Pack) | $40 – $159 (1x–4x credits) |
| 50,000 Verifications | $49 / mo | $199 – $490 |
| 250,000 Verifications | $149 / mo | $950 |
| Recurring Free Tier | ✅ 100 / month forever (Full Smart SMTP) | 25/day (Standard quality only) |
| Unknown / Greylisted Billing | ✅ $0 (100% Free — never deducted) | ❌ Charged (2x–4x credits on Extreme) |
Multi-Sheet Excel (.XLSX) |
✅ Native Multi-Tab Upload & Export | ✅ Supported |
| Unused Credit Rollover | ✅ Monthly Rollover + Never-Expiring Packs | ⚠️ Daily credits reset; packs expire in 1 yr |
| Disposable Email Registry | ✅ 1,000,000+ domains updated daily | ~150,000 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 |
Verifalia is a solid option if you already use their .NET / C# SDK and prefer daily trickle quotas over monthly pools.
For 95% of SaaS products, growth agencies, cold outreach teams, and e-commerce stores, KaijuVerifier delivers identical 99%+ SMTP accuracy at up to 84% 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 Verifalia — free and without signup:
Never. Verifalia charges 2 credits per email on High quality and 4 credits per email on Extreme quality. KaijuVerifier runs its full 7-Layer Smart SMTP & Catch-All probe for 1 credit per definitive result — and $0 for Unknowns.
Yes. KaijuVerifier natively parses and exports multi-worksheet .xlsx files while preserving every sheet and column.