The MailerCheck Insider’s Guide
Everything we know about MailerCheck in one document: what it costs, its grades, getting a refund, getting help and what else to look at. Read it here, or keep a copy.
MailerCheck
The Insider’s Guide
Email list verification with credits that never expire
Every plan, grade, refund rule and rival among email verification and deliverability tools, read from MailerCheck’s own pages.
Made by MailerCheck · checked Nov 12, 2026 · toolgpa.com
Contents
- 01WelcomeWhat it is, who it suits, its grades and the ten things to know first
- 02What it costsEvery plan, the free plan, ways to pay less and how prices have moved
- 03What it doesIts main features, where it runs, what it works with and who makes it
- 04Where it standsIts grades against its category, and whether to keep it or make your own
- 05The alternativesThe tools it is most often weighed against, side by side
- 06Quick answersThe questions people ask about it, each answered in a line or two
- 07About ToolGPAWho made this guide, what else is on the site, and how to cite it
ToolGPA put this guide together from MailerCheck’s own pages, its app-store listings and our grades. Every fact in it is on MailerCheck’s page too, where it is kept up to date. Checked Nov 12, 2026.
Part 01 · Overview
Welcome
What it is, who it suits, its grades and the ten things to know first
2.2
GPA, above 12 of the 38 other email verification and deliverability tools we grade
MailerCheck, made by the team behind MailerLite, verifies email addresses by bulk upload, one at a time, or through a real-time API. Alongside verification it sells two content and deliverability checks, Email Insights and Inbox Placement, which spend the same credits. Everything is paid for with prepaid credits.
To get you started, here are 9 things to know about MailerCheck, taken from its own pages and our grades.
You create an account and upload or connect a list, a few steps.
- 1
Best for pay-as-you-go email list checks
MailerCheck verifies email lists with credits that never expire, at $10 for 1,000, plus a real-time API, Email Insights and Inbox Placement.
- 2
What it costs
Paid plans start at $10 one-time for 1,000 credits.
- 3
You can try it first
10 free credits for new accounts, usable for email list verification only.
- 4
It runs on Web
Web.
- 5
Bulk list verification
Upload a list, then download the cleaned result with safe, risky and harmful addresses separated; duplicates are removed without being charged.
- 6
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.
- 7
Result categories
Reports flag typos, catch-all and role-based addresses, disposable emails and full mailboxes.
- 8
A 2.2 GPA, above 12 of 38
That is against the other email verification and deliverability tools we grade, on value, the free plan, features, ease of use and platforms.
- 9
Keep it
Nothing MailerCheck does is plain enough to make in a weekend. The 4 things listed below take a company.
MailerCheck at a glance
- Pricing
- Free trial, from $10 one-time for 1,000 credits
- Free plan
- No
- Free trial
- 10 free credits for new accounts, usable for email list verification only.
- Runs on
- Web
- Made by
- MailerCheck
- Category
- Email Verification & Deliverability
- Our grade
- 2.2 GPA, fair
The report card
Best for pay-as-you-go email list checks
MailerCheck verifies email lists with credits that never expire, at $10 for 1,000, plus a real-time API, Email Insights and Inbox Placement. New accounts get only 10 free credits, and the refund policy covers only the vendor ending the service.
| Subject | Grade | Comment |
|---|---|---|
| Value for money | C | $10 for 1,000 credits, a little above the $8 middle for one-time prices in the category. Packs fall to $80 for 10,000 and $500 for 100,000, and the page offers no discounts. |
| Free plan and trial | C | New accounts get 10 free credits for list verification only. There is no free plan, and Email Insights and Inbox Placement cannot be tried on them. |
| Features | B | Bulk list verification, a real-time API, result categories, Email Insights and Inbox Placement. Nothing in the listing is missing from the core job. |
| Ease of use | C | No store rating on record. You create an account and upload or connect a list, a few steps. |
| Platforms and integrations | C | Web and an API. No integrations or apps are listed. |
An A is worth 4 points, a B 3, a C 2, a D 1 and an F nothing. The GPA is the average of the five.
Who MailerCheck is for
- 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
Who it is not for
- 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
Good to know
Good for
- Occasional list cleaning without a subscription
- MailerLite users who want a verifier from the same team
- Teams that want to check content and inbox placement alongside verification
Worth knowing
- 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.
Part 02 · Pricing
What it costs
Every plan, the free plan, ways to pay less and how prices have moved
$10 one-time
To start
MailerCheck is a paid product with a free trial, starting at $10 one-time for 1,000 credits.
There is no free plan, and Email Insights and Inbox Placement cannot be tried on them.
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.
Trying it first
10 free credits for new accounts, usable for email list verification only.
Read from mailercheck.com on Nov 12, 2026.
Part 03 · Features
What it does
Its main features, where it runs, what it works with and who makes it
1
Place it runs: Web
Email list verification with credits that never expire. Here is what it does, as its own site describes it, and what it covers: public API, email verification.
Bulk list verification, a real-time API, result categories, Email Insights and Inbox Placement.
- 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.
Where it runs
- Web
What it works with
Its own pages name no integrations.
MailerCheck is made by MailerCheck.
Part 04 · Standing
Where it stands
Its grades against its category, and whether to keep it or make your own
12/38
Other email verification and deliverability tools it is graded above
MailerCheck's GPA of 2.2 is higher than 12 of the 38 other email verification and deliverability tools we grade, and level with 5.
It stands best on features (B, above 24 of 38) and worst on platforms and integrations (C, above 0).
Each grade against the category
Every bar is all 39 email verification and deliverability tools we grade, cut by the letter each got. MailerCheck’s own letter is outlined.
- CValue for moneyAbove 5 of 38
- CFree plan and trialAbove 5 of 38
- BFeaturesAbove 24 of 38
- CEase of useAbove 1 of 38
- CPlatforms and integrationsAbove 0 of 38
Keep it, or make your own?
Whether this is something you could build for yourself with an AI app builder, and what you would give up.
Keep it
Nothing MailerCheck does is plain enough to make in a weekend. The 4 things listed below take a company.
That makes this kind of software worth paying for, not this one in particular: 21 of the 38 other email verification and deliverability tools grade higher. It costs $10, paid once.
What you could not
- Checking that an address exists without writing to it.
- An API that other software can build on.
- What a company asks for before it lets staff use something: roles and permissions.
- The depth: we grade its features B, which means it covers the whole job.
What this rests on. MailerCheck’s listing: what it does, where it runs, what it plugs into and what it costs. It is a judgement about the kind of software this is. We have not built a replacement for it, and making your own means looking after it too. How we decide, and every tool’s verdict.
Part 05 · Alternatives
The alternatives
The tools it is most often weighed against, side by side
ZeroBounce, NeverBounce, Emailable, Kickbox and Bouncer
The 5 tools MailerCheck is most often weighed against, with where each one differs from it.
- 2.4GPA
ZeroBounce
Free plan · from $39 one-time
Email list verification with warm-up and DMARC monitoring in one plan.
- ZeroBounce has a free plan. MailerCheck does not, though it has a free trial.
- Only ZeroBounce lists an iOS app.
- ZeroBounce also covers inbox warm-up and dMARC.
- 2.4GPA
NeverBounce
Free trial · from $8 one-time
Email list cleaning and real-time verification, now part of ZoomInfo.
- 2.4GPA
Emailable
Free trial · from $38 one-time
Email list verification with inbox reports and blacklist monitoring.
- 2.4GPA
Kickbox
Free trial · from $5 one-time
Pay-as-you-go email verification with an optional threat score.
- 2.4GPA
Bouncer
Free trial · from $8 one-time
Part 06 · Questions
Quick answers
The questions people ask about it, each answered in a line or two
11
Questions, each answered in a line or two
The short version of everything above, for when you only need the answer. Each one is told in full in its part of the guide.
Is MailerCheck free?
No, MailerCheck is a paid product, but you can try it first. 10 free credits for new accounts, usable for email list verification only.
How much does MailerCheck cost?
MailerCheck lists 2 plans. Pay as you go, 1,000 credits: $10 one-time, for 1,000 credits used as you go.
What platforms does MailerCheck work on?
MailerCheck is available on Web.
Does MailerCheck have an Android app?
No Android app was listed when its pages were read on Nov 12, 2026. MailerCheck is listed for Web.
Does MailerCheck have an iPhone app?
No iPhone app was listed when its pages were read on Nov 12, 2026. MailerCheck is listed for Web.
Is MailerCheck open source?
MailerCheck is not described as open source on its own site, as read on Nov 12, 2026.
Does MailerCheck have an API?
Yes. MailerCheck offers a public API, according to its own site.
Who makes MailerCheck?
MailerCheck is made by a company of the same name.
What are the alternatives to MailerCheck?
The closest alternatives to MailerCheck in our directory are ZeroBounce, NeverBounce, Emailable, Kickbox and Bouncer.
How does MailerCheck compare with other email verification and deliverability tools?
MailerCheck's GPA of 2.2 is higher than 12 of the 38 other email verification and deliverability tools we grade, and level with 5.
Could I make my own version of MailerCheck?
Nothing MailerCheck does is plain enough to make in a weekend. The 4 things listed below take a company.
Where this guide comes from
The prices, plans, platforms and features were read from MailerCheck’s own pages on Nov 12, 2026, and the grades were given on Nov 12, 2026. Graded from this listing, whose facts were read from MailerCheck's own pages on 12 November 2026. Not based on using the product, and shorter than our full reviews.
Every tool we list gets five grades, A to F, each with its reason, and a GPA that averages them. How each is decided is at toolgpa.com/grades. This guide is ToolGPA’s own work; it is not made, paid for or approved by MailerCheck. Prices change, so check mailercheck.com before you buy.
Part 07 · About
About ToolGPA
Who made this guide, what else is on the site, and how to cite it
5,038
Tools graded, in 95 categories
ToolGPA grades software the way a school report grades a pupil: five subjects, a letter for each with the reason written beside it, and a GPA that averages them. Prices, plans and platforms are read from each maker’s own pages and dated, so you always know how fresh a figure is.
Every grade, review and ranking on ToolGPA is our own judgement. No company can pay for a grade or change one. Every tool on the site has a guide like this one, free to download and pass on. It all lives at toolgpa.com.
5,038
tools graded
95
categories
739
price changes on record
579
apps priced in 12 countries
What else is on toolgpa.com
- MailerCheck, kept up to dateEverything in this guide, with prices and grades as they are todaytoolgpa.com/tools/mailercheck
- How grades are givenThe rules behind every letter and every GPAtoolgpa.com/grades
- Value chartsWhat each tool costs against what it scores, for every categorytoolgpa.com/charts
- CompareAny two tools side by side, plan by plantoolgpa.com/compare
- Price changesEvery price rise and cut on record, each with its sourcetoolgpa.com/price-changes
- Prices by countryWhat apps cost on the App Store in 12 countriestoolgpa.com/prices-by-country
- Pay lessEvery public discount: yearly billing, students, nonprofitstoolgpa.com/save
- Keep or makeWhich tools are worth paying for, and which you could build yourselftoolgpa.com/keep-or-make
Scan for the live page
Prices and grades as they are today
Quoting this guide?
Please name ToolGPA and link to the live page, so readers can check the figures for themselves:
ToolGPA, "MailerCheck: The Insider's Guide", checked Nov 12, 2026. https://toolgpa.com/tools/mailercheck
Know someone choosing between email verification and deliverability tools?
Send them this guide: toolgpa.com/tools/mailercheck/guide
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See our other guides
The best-graded email verification and deliverability tools after MailerCheck, each with an Insider's Guide of its own.
- Email Verification & Deliverability Insider's GuideEvery one of the 40 email verification and deliverability tools we grade, compared
- QuickEmailVerification Insider's GuideBulk email list cleaning and a real-time verification API3.0 GPA
- Mail-Tester Insider's GuideSend an email to a test address and get a spam score out of 102.8 GPA
- Reoon Email Verifier Insider's GuideBulk and real-time email verification with refunds on unknowns2.8 GPA
Choosing software? Every tool graded, every price dated.
Compare tools at toolgpa.com ›Everything in this guide is ToolGPA’s own summary of what MailerCheck’s pages, its app-store listings and public reviews said on the dates shown. Grades are our judgement under the rules at toolgpa.com/grades. Every grade, review and ranking on ToolGPA is our own judgement. No company can pay for a grade or change one. MailerCheck is a trademark of its owner, and this guide is not made, paid for or approved by MailerCheck. Prices and plans change: check mailercheck.com before you buy.