Email Verification Tools

MailerCheck vs ZeroBounce

Compare MailerCheck and ZeroBounce side-by-side. See feature differences and pricing in the Email Verification Tools category.

MailerCheck

by Vercom

0.0 (0)

Pricing: Pay as you go credits that never expire, 1 per address: $10 per 1,000, $80 per 10,000, $500 per 100,000; 1,000-credit minimum; 10 free credits on signup

MailerCheck is pay-as-you-go email list verification and a real-time validation API with inbox placement and content tests, on credits that never expire.

10 /19 features Full profile

Most Features

ZeroBounce

by ZeroBounce

0.0 (0)

Pricing: Free for 100 validation credits a month; pay-as-you-go from $39 for 2,000 credits; ZeroBounce ONE from $99/mo for 10,000 credits, $79/mo billed annually (September 2026)

ZeroBounce is a credit-based email validation and deliverability suite: bulk and API list cleaning, inbox placement tests, blacklist and DMARC monitoring.

19 /19 features Full profile

Feature Comparison

Email Verification Tools features side-by-side

Feature	MailerCheck 10/19 features	ZeroBounce 19/19 features
Bulk list verification Upload a CSV or spreadsheet and get every address checked, with a downloadable results file and reason codes.	Yes	Yes
Real-time verification API An API that checks an address at signup or form submission before it enters the list.	Yes	Yes
Syntax and MX record checks Confirms the address is well formed and the domain has working mail servers.	Yes	Yes
SMTP mailbox check Connects to the mail server to confirm the mailbox exists without sending a message.	Yes	Yes
Catch-all domain detection Flags domains that accept every address so those results are marked unknown or risky rather than valid.	Yes	Yes
Disposable email detection Flags temporary and throwaway mailbox providers.	Yes	Yes
Role account detection Flags addresses such as info@, sales@ and support@ that belong to a function rather than a person.	Yes	Yes
Spam trap detection Flags known and likely spam trap addresses.	No	Yes
Abuse and complainer detection Flags addresses with a history of marking mail as spam.	No	Yes
Toxic domain detection Flags domains associated with fraud, litigation or bot signups.	No	Yes
Free mailbox provider flag Marks consumer mailboxes such as Gmail and Yahoo separately from business domains.	No	Yes
Typo suggestions Suggests a corrected domain for common misspellings such as gmial.com.	No	Yes
Email activity data Reports whether an address has opened or clicked mail recently across the vendor's network.	No	Yes
Per-address quality score A numeric score alongside the valid or invalid verdict, so borderline addresses can be ranked.	No	Yes
Email finder Finds a person's address from a name and a company domain.	No	Yes
Web form validation widget A JavaScript snippet or form plugin that validates addresses inside your signup forms.	No	Yes
List platform integrations Pulls a list from Mailchimp, HubSpot, Klaviyo or a CRM and writes the results back.	Yes	Yes
Non-expiring credit packs Credits bought once that never expire, without a subscription.	Yes	Yes
Duplicate removal Removes duplicate addresses from an uploaded list as part of the clean.	Yes	Yes
Overall Rating	0.0 0 reviews	0.0 0 reviews

MailerCheck 10/19 features

Bulk list verification: Yes
Real-time verification API: Yes
Syntax and MX record checks: Yes
SMTP mailbox check: Yes
Catch-all domain detection: Yes
Disposable email detection: Yes
Role account detection: Yes
Spam trap detection: No
Abuse and complainer detection: No
Toxic domain detection: No
Free mailbox provider flag: No
Typo suggestions: No
Email activity data: No
Per-address quality score: No
Email finder: No
Web form validation widget: No
List platform integrations: Yes
Non-expiring credit packs: Yes
Duplicate removal: Yes

0.0

(0)

ZeroBounce 19/19 features

Bulk list verification: Yes
Real-time verification API: Yes
Syntax and MX record checks: Yes
SMTP mailbox check: Yes
Catch-all domain detection: Yes
Disposable email detection: Yes
Role account detection: Yes
Spam trap detection: Yes
Abuse and complainer detection: Yes
Toxic domain detection: Yes
Free mailbox provider flag: Yes
Typo suggestions: Yes
Email activity data: Yes
Per-address quality score: Yes
Email finder: Yes
Web form validation widget: Yes
List platform integrations: Yes
Non-expiring credit packs: Yes
Duplicate removal: Yes

0.0

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Pricing

MailerCheck

Pay as you go credits that never expire, 1 per address: $10 per 1,000, $80 per 10,000, $500 per 100,000; 1,000-credit minimum; 10 free credits on signup

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ZeroBounce

Free for 100 validation credits a month; pay-as-you-go from $39 for 2,000 credits; ZeroBounce ONE from $99/mo for 10,000 credits, $79/mo billed annually (September 2026)

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