A MillionVerifier alternative: MailSure vs MillionVerifier
MailSure costs 49% less than MillionVerifier for 10,000 verifications and 33% less for 100,000, based on each vendor's published one-off prices on 6 November 2026.
| Pay as you go | 1,000 emails | 10,000 emails | 100,000 emails | Per 1,000 at 100,000 |
|---|---|---|---|---|
| MailSure | $4 | $20 | $100 | $1 |
| MillionVerifier | min. 10,000: $39 | $39 | $149 | $1.49 |
MillionVerifier prices from its pricing page, read 6 November 2026, in US dollars. Vendors change prices, so check before you buy.
Why teams choose MailSure over MillionVerifier
- Price: $20 vs $39 for 10,000 emails (49% less), and $100 vs $149 for 100,000 emails (33% less).
- Small jobs: MillionVerifier sells at least 10,000 credits at a time ($39); a MailSure pack of 1,000 is $4.
- A free allowance that renews: every account gets 100 free verifications every month, with no card.
- Packs never expire, and unknown results are never billed.
- A single check, CSV upload, REST API and a WordPress plugin are included from the first purchase, with no sales call.
Free allowance, expiry and unknown results
| Free allowance | Do credits expire? | Unknown results | |
|---|---|---|---|
| MailSure | 100 free verifications every month | Credit packs never expire | Unknown results are never billed |
| MillionVerifier | 100 free credits | Credits never expire | A refund policy for risky emails |
Subscriptions: Pay as you go only on the public page. MailSure plans start at $15 a month for 10,000 verifications.
Where MillionVerifier is the better choice
Choose MillionVerifier if you verify around 500,000 emails or more at once, where MillionVerifier’s listed $299 for 500,000 is below our $320. From its own pricing page, MillionVerifier also offers:
- A 100% money-back guarantee for risky emails
- One-click integrations with Mailchimp, HubSpot, ActiveCampaign, Mailgun and others
MailSure focuses on one job: telling you whether an address is real and safe to send to. If that is what you need, you are not paying for the rest.
Frequently asked questions
- Is MailSure cheaper than MillionVerifier?
- On one-off credits, yes at the volumes we compared: $20 vs $39 for 10,000 emails (49% less); $100 vs $149 for 100,000 emails (33% less). MillionVerifier figures were read from https://www.millionverifier.com/ on 6 November 2026 and can change.
- Do MillionVerifier credits expire?
- Credits never expire. MailSure credit packs never expire.
- Does MillionVerifier charge for unknown results?
- A refund policy for risky emails. MailSure never bills unknown results.
- Can I try MailSure before paying?
- Yes. Check an address on the home page with no account, or create a free account for 100 verifications every month.