EmailVerifier vs ZeroBounce (2026): which should you pick?

Pick EmailVerifier if

• Fits if you clean a list a few times a year and do not want a subscription
• Works for developers who want a verification API without a monthly fee

Look elsewhere if

• Skip it if you want the monthly Unlimited plan, which is still marked coming soon
• Tight if you are testing it, as the free trial is 100 verifications once
• Watch out: no integration names are listed, so check the logo strip before counting on a connector
• Watch out: refunds are reviewed case by case, and only if you write within 7 days

Pick ZeroBounce if

• Fits if you want list cleaning, warm-up and DMARC for one domain on one bill
• Works for developers who want an API with SDKs in 16 languages, or checks from an iPhone or iPad

Look elsewhere if

• Pricey if you only need a list cleaned, at about $129 for 10,000 checks
• Tight if you send from several domains, as ONE watches DMARC for just one
• Watch out: unused tests, monitors and warm-up seeds on ONE don't roll over, only verification credits do
• Watch out: the free 100 checks a month need a business email domain at sign-up
• Not for you if you're on Android or a desktop, as the only app is for iPhone and iPad

EmailVerifier

• The Unlimited plan is marked coming soon and capped at 100 spots, so Pay As You Go is the practical option.
• The first free trial is 100 verifications, a one-time amount that does not renew.
• Refunds are reviewed case by case if you contact support within 7 days of a technical issue or wrong results.
• The site lists no integration names in text, only a logo strip, so check the logos before relying on a connector.

ZeroBounce

• Warm-up and DMARC monitoring come only with ZeroBounce ONE, and it covers a single DMARC domain.
• Unused tests, monitors, searches and warm-up seeds on ONE do not roll over; only verification credits do.
• The FAQ says credits never expire with an active ONE subscription; otherwise expiry rules may apply depending on when they were bought.
• The free credits need a business or premium email domain at sign-up.

EmailVerifier

Single, bulk and API checks

Verify one address, upload a CSV list, or call the real-time API from your own app. All three are included at every volume.

Spam trap and disposable detection

The site lists checks for spam-trap addresses and throwaway or disposable domains alongside syntax, domain and mailbox checks.

Catch-all and role-based flags

Accept-all domains are marked as risky, and generic inboxes such as info@ or sales@ can be filtered out of a list.

Credits that do not expire

Pay As You Go credits are a one-time purchase. The pricing FAQ says they can be used whenever you like, with no recurring fee.

File deletion after 30 days

The vendor says uploaded files are deleted automatically 30 days after upload and describes itself as GDPR and CCPA compliant.

ZeroBounce

Email validation

Checks lists by file upload or real-time API and flags invalid, catch-all, disposable, role-based, abuse and spam-trap addresses. Unknown results and duplicates are free.

AI scoring

An AI model scores each address for quality at one extra credit, which helps decide whether to send to catch-all and other uncertain addresses.

Email Finder

Finds a person's work address from a name and company domain, at 20 credits per successful search; unknown results cost nothing.

Warm-up and placement tests

ZeroBounce ONE includes warm-up through a seed network, inbox placement tests against 20+ providers and email server tests.

Blacklist and DMARC monitoring

Monitors IPs and domains on blacklists and gathers daily DMARC reports for one domain on the ONE plan.

API, SDKs and iOS app

A validation and scoring API with SDKs in 16 languages, an MCP server, and an iOS app for checking lists from an iPhone or iPad.

EmailVerifier

• Pay As You Go$18

  for 10,000 credits, paid once, never expire

  $1.80 per 1,000 emails at the 10,000 step; bulk, real-time and API checks included. Other volumes up to 10M.

• Unlimited$299

  per month for 10K emails/month

  Listed as coming soon, limited to 100 spots; the page shows a volume selector, and it includes everything in Pay As You Go.

ZeroBounce

• Freemium$0

  100 verification credits that refill each month, one inbox placement test, one server test and one blacklist monitor.

• Pay-As-You-Go$39

  one-time for 2,000 credits

  The minimum purchase. Per-credit rates fall with volume: about $129 for 10,000 ($0.0129 each) and $0.0032 each at 1 million.

• ZeroBounce ONE$79

  per month for 10,000 credits, billed annually ($99 monthly)

  Credits roll over, plus 250 warm-up seeds, 100 inbox tests, 100 server tests, 10 blacklist monitors, 1 DMARC domain and 15% off extra credits.

• EnterpriseCustom

  Purchases or subscriptions of more than 1 million credits, with onboarding and training.

EmailVerifier

No public discounts listed.

ZeroBounce

• Annual discount

  20% off ZeroBounce ONE billed annually

  ZeroBounce ONE costs $79 a month when paid annually in one charge, against $99 billed monthly.