NeverBounce vs ZeroBounce (and Veml): an honest comparison
All three check whether email addresses are real. The differences are in price, how you pay, and what you get on top. Here is the side-by-side, taken from each company's own pages.
ZeroBounce has the most extra tools and a free plan (100 credits a month), but costs about $129 for 10,000 checks pay-as-you-go. NeverBounce is about $80 for 10,000 and offers a 3% bounce guarantee with conditions. Veml (same owner as EmailNa) charges $19 for 10,000 with no account or subscription, but has no free checks and fewer integrations.
Side-by-side comparison
| Feature | NeverBounce | ZeroBounce | Veml |
|---|---|---|---|
| Smallest purchase | $8 for 1,000 | $39 for 2,000 | $2 for 500 |
| About 10,000 checks | ~$80 | ~$129 | $19 |
| Subscription option | $49/mo for up to 10,000 | From $99/mo | None |
| Account needed | Yes | Yes | No |
| Free checks | Free first-list analysis and test credits, no card needed | 100 a month | None |
| Credits expire | 12 months after purchase | Says never, with conditions for non-subscribers | Unused balance kept 30 days in the same browser |
| Result types | valid, invalid, disposable, catch-all, unknown | valid, invalid, catch-all, spamtrap, abuse, do_not_mail, unknown (plus sub-statuses) | Passed, Risky, Unknown, Invalid (with a reason) |
| API and integrations | Yes, 80+ integrations | Yes | No (web upload only) |
| Guarantee | Refund if "valid" addresses bounce over 3%, with conditions | States 99.6% accuracy | None stated |
Prices and limits were checked on the companies' own pricing and help pages in October 2026. They change, so confirm on the vendor's site before you buy.
NeverBounce: good for teams with a CRM
NeverBounce sells credits at $8 per 1,000 pay-as-you-go, or a Growth plan at $49 a month for up to 10,000 emails a month. Credits expire 12 months after purchase. It has real-time checking, an API and more than 80 integrations, including HubSpot and Mailchimp, and it does not charge for duplicates.
Its guarantee refunds the difference if more than 3% of addresses it marked valid bounce, but only if you send within 72 hours, the list has at least 500 unique addresses, and addresses at free providers like Gmail and Yahoo do not count.
ZeroBounce: most features, highest price
ZeroBounce starts at $39 for 2,000 credits, and about $129 for 10,000 pay-as-you-go. Its ZeroBounce ONE subscription starts at $99 a month. The free plan gives 100 credits a month plus some inbox and blacklist tests.
Its results are the most detailed: besides valid and invalid, it flags spam traps, "abuse" addresses that often mark mail as spam, and a "do not mail" group (role, disposable, toxic and more). It also offers an email finder and deliverability tools.
Veml: pay once, no account
Veml is a web tool: paste or upload a list, see the price, pay once through Stripe, and download the results with a status and reason for every address. 1,000 addresses cost $3 and 10,000 cost $19. It checks syntax, typos (with one-click fixes), mail servers, catch-all servers, about 9,000 throwaway domains, role addresses and the mailbox itself.
Things to know: you pay for every address after duplicates are removed, whatever the result. There is no API, no free trial, and no stated bounce guarantee. Results are deleted after 3 days. Veml and EmailNa have the same owner.
Which one should you pick?
- You need CRM sync or an API: NeverBounce or ZeroBounce.
- You want spam-trap and abuse flags and extra deliverability tools: ZeroBounce.
- You clean a list now and then and do not want a subscription: Veml.
- You only need a few checks: start with ZeroBounce's free 100 a month.
Whichever you use, check the list shortly before you send. Lists decay every month as people change jobs and close accounts.
Questions people ask
- Is NeverBounce or ZeroBounce more accurate?
- Both claim high accuracy, and we could not find an independent test of either. NeverBounce backs its claim with a 3% bounce guarantee; ZeroBounce states 99.6% accuracy. The best test is your own: check a sample of a list you have already mailed and compare against your actual bounces.
- Do these services send email to my contacts?
- No. They check mailboxes by talking to mail servers and stop before sending anything.
- What is a cheaper alternative to ZeroBounce?
- For occasional list cleaning without a subscription, Veml costs $19 for 10,000 addresses, and MillionVerifier sells credit packs that never expire.