MailerCheck vs NeverBounce (2026): which should you pick?

Pick MailerCheck if

• Fits if you clean a list now and then and want credits that never expire
• Works for senders who also want an inbox placement check

Look elsewhere if

• Tight if you want to try it free, as it is 10 credits
• Skip it if you want smaller packs, since the minimum purchase is 1,000 credits
• Watch out: Email Insights and Inbox Placement cost 200 credits each and cannot be tried free
• Watch out: refunds are only given if the vendor ends the service without cause

Pick NeverBounce if

• Fits if you want a CRM or email platform rechecked without uploading anything, from $49 a month
• Works for sign-up forms that let through typos like gmai for gmail

Look elsewhere if

• Skip it if you clean once a year, as pay-as-you-go credits expire after 12 months
• Pricey if you want Sync or AI scoring, which need the $49 a month Growth plan
• Not for you if you need warm-up, inbox placement tests or DMARC tools as well
• Tight if you want to try it on a full list, as only test credits and a list analysis are free

MailerCheck

• There is no free plan: new accounts get only 10 free credits, and the page's slider also lists a 100-credit free step.
• Purchases start at 1,000 credits; the pricing page says no discounts are offered beyond the bulk rates.
• The refund policy allows refunds only if the vendor ends the service without cause before the paid period ends.
• Email Insights and Inbox Placement cannot be tested on the free credits.

NeverBounce

• Pay-as-you-go credits expire 12 months after purchase.
• NeverBounce only verifies addresses; it has no warm-up, inbox placement or DMARC tools.
• Automatic syncing and AI scoring need the $49 a month Growth plan.

MailerCheck

Bulk list verification

Upload a list, then download the cleaned result with safe, risky and harmful addresses separated; duplicates are removed without being charged.

Real-time API

Validates addresses as they are collected, with an autopay option that tops up credits when a balance falls below a set threshold.

Result categories

Reports flag typos, catch-all and role-based addresses, disposable emails and full mailboxes.

Email Insights

Tests email content for spam words, broken links and blocklists before sending; costs 200 credits per test.

Inbox Placement

Predicts whether an email reaches the inbox or the spam folder at mailbox providers including Google, AOL and Yahoo; costs 200 credits per test.

NeverBounce

Bulk list cleaning

Upload a list for results in one go; pay-as-you-go accounts can clean up to 10 lists at once, and Growth any number in parallel.

Real-time verification API

Checks addresses as they arrive from sign-up forms or apps, and fixes common typos such as gmai for gmail.

Sync

Connects to a CRM or email platform and keeps its contacts verified automatically, charging only for new, unique addresses.

Company data

Returns the company name behind each business address, and Growth adds AI scoring of how likely a contact is to convert.

GTM Guard

Checks contacts before they reach AI agents and automated workflows, with n8n workflow blueprints for building them.

MailerCheck

• Pay as you go, 1,000 credits$10

  one-time, for 1,000 credits used as you go

  Minimum purchase is 1,000 credits. 1 credit verifies 1 email address and credits never expire.

• Pay as you go, 10,000 credits$80

  one-time, for 10,000 credits used as you go

  Per-credit cost falls with volume: $45 for 5,000, $175 for 25,000, $500 for 100,000 and $2,000 for 1,000,000.

NeverBounce

• Pay as you go$8

  one-time for 1,000 credits

  Credits last 12 months. Bulk rates in the page's volume menu: $50 for 10,000, $400 for 100,000 and $2,500 for 1 million.

• Growth$49

  per month for up to 10,000 emails

  Automatic CRM sync charged only for new unique emails, AI scoring and 200 AI-picked leads a month. $159 a month at 100,000 emails in the page's menu.

• EnterpriseCustom

  Typically 250,000+ emails a month, with unlimited use across teams, advanced security and compliance, and an account manager.

MailerCheck

No public discounts listed.

NeverBounce

• Nonprofit

  Nonprofit discounts on request

  NeverBounce's pricing FAQ says nonprofits can get discounted verification by applying through its nonprofit pricing page.