Outgrowing Reoon's daily credit resets, single-sheet CSV exports, and lack of async webhook batch jobs? KaijuVerifier gives you production REST APIs (/api/v1/jobs), HMAC-SHA256 webhooks, Multi-Sheet .XLSX preservation, and 16 built-in DNS deliverability tools.
Slide to your monthly email verification volume to see your exact savings:
| Feature / Metric | ⚡ KaijuVerifier | Reoon Email Verifier |
|---|---|---|
| 10,000 Verifications | $19 / mo (or $19 for 5k Non-Expiring Pack) | $26 |
| 50,000 Verifications | $49 / mo | $98 |
| 250,000 Verifications | $149 / mo | $350 |
| Recurring Free Tier | ✅ 100 / month forever (Full Smart SMTP) | 20/day 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 | ⚠️ Daily credits reset at midnight |
| 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 |
Reoon is popular among solo users who bought a historic AppSumo daily-credit deal for small manual checks.
For 95% of SaaS products, growth agencies, cold outreach teams, and e-commerce stores, KaijuVerifier delivers identical 99%+ SMTP accuracy at up to 50% 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 Reoon Email Verifier — free and without signup:
Agencies and SaaS teams switch to KaijuVerifier when they need unthrottled monthly/pack pools instead of daily reset caps, async REST API batch jobs (/api/v1/jobs) with signed webhooks, and native Multi-Sheet Excel (.xlsx) workbook cleaning.
KaijuVerifier offers a $19 non-expiring 5,000-credit pack, $19/mo for 10,000 credits, and $49/mo for 50,000 credits (50% less than Reoon's $98 rate for 50,000 credits).