Why pay $80–$400/month and lose credits on "Unknown" results? Compare real 2026 pricing, disposable domain coverage, GDPR RAM processing, and multi-sheet Excel support across the top email verification tools.
| Provider | 10,000 Emails | 50,000 Emails | Free Monthly Quota | Unknown / Catch-All Billing | Multi-Sheet Excel (.XLSX) | Full Guide |
|---|---|---|---|---|---|---|
| ⚡ KaijuVerifier | $19 | $49 | 500 / month forever | $0 (100% Free) | ✅ Native Multi-Tab | See Plans → |
| ZeroBounce | $75 – $80 | $325 – $350 | 100 / mo (requires business domain) | Charged | CSV only | Compare → |
| NeverBounce | $50 | $250 | 10 credits on signup | Charged | CSV only | Compare → |
| Bouncer (UseBouncer) | $50 | $200 | 100 one-time | Refunded | CSV only | Compare → |
| Kickbox | $80 | $400 | 100 one-time | Refunded | CSV only | Compare → |
| MillionVerifier | $37 | $77 | None (trial only) | Refunded | CSV / XLS (single sheet) | Compare → |
Great enterprise recognition, but 4× to 7× more expensive and bills you for unknown/catch-all results.
Solid ESP integrations, but expensive per-email tiers and no recurring monthly free quota.
Strong GDPR focus, but 3×–4× pricier than KaijuVerifier and lacks native multi-sheet Excel preservation.
Clean UI and SendGrid heritage, but the most expensive per-credit pricing in the industry ($400 for 50k).
Budget bulk verifier, but slower async queues, dated UI, and smaller disposable-domain registry (~100k vs 1M+).
Complete 2026 pricing benchmark comparing cost per 10k, 50k, 100k and 1M emails across 10 email verification providers.
Switching from ZeroBounce, NeverBounce or Kickbox takes less than 5 minutes with our drop-in REST API and CSV/Excel cleaner.