NeverBounce has no free tier and starts at $0.008 per verification. If you need a free alternative with better provider coverage, CheckMail1 is the best option in 2026.
| Feature | NeverBounce | CheckMail1 |
|---|---|---|
| Free tier | No free tier | 300/day free |
| Gmail verification | Basic | Provider-specific |
| iCloud verification | No | Yes |
| QQ / Naver / Yandex | No | Yes |
| Price per 10,000 | $80 | $9 |
| Bulk API | Yes | Yes |
| Real-time API | Yes | Yes |
NeverBounce uses generic SMTP verification that returns UNKNOWN for Gmail, iCloud, and many Asian email providers. CheckMail1 uses provider-specific handshake patterns that correctly verify these accounts.