AppSumo Select Logo

TheChecker

Lifetime Deal

An accurate and automated way to clean up your email lists

AppSumo Select Logo

TheChecker

Lifetime deal

An accurate and automated way to clean up your email lists

This deal is unavailable (a bummer, we know). Don't miss a great deal again — drop your email to get all our latest tools!

60 day money-back guarantee. Try it out for 2 months to make sure it's right for you!

Plans & features

Deal terms & conditions
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    Lifetime access to TheChecker
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    You must redeem your code(s) within 60 days of purchase
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    All future plan updates
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    Stack unlimited codes
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    GDPR Compliant
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    Only for new TheChecker users who do not have existing accounts
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    Business email required to activate account

60 day money-back guarantee. Try it out for 2 months to make sure it's right for you!

Features included in all plans
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    No daily verification limit
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    Up to 99%+ accuracy
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    Real-time email verification
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    Filetypes compatibility
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    Email Bounce Checker
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    Anti-Greylisting technology
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    Accept-all email checker
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    Misspelled domain and role email detection
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    Syntax, domain, and risk validation
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    MX record checker
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    Teams feature
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    Customized exports
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    Free email deduplication
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    Spam trap remover
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    Disposable email checker
  • Single

    • All features above included
    • 1 Million credits (emails)
  • Double

    • All features above included
    • 2 Million credits (emails)
  • Multiple

    • All features above included
    • 3 Million credits (emails)

Questions

Reviews

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Helpful

Showing 10 of 30 reviews

user-avatar

Tool - a problem to use for client lists

I bought multiple deals based on the exceptional price - however in using this tool - its been nothing but a problem. It appears that if you have duplicates or blank cells in a client file - they will block your account and consider it a violation of spam policy.

In essence you will need to pre-clean a file - check for duplicates and any other data issues.

I don't need to do this with other verification tools.

I think there data verification process is OK, just the way they validate your file prior to running the veriification.

user-avatar

Input file must be perfect

The system works. Here are 2 situations where it doesn't:

1/ say for example you have a file with 10,000 rows. If there is a single character in that entire file that the checker doesn't like the entire output will be corrupt. They know this and have no intention of fixing it. Its probably a very simple fix. Too bad.

2/ If you want to clean a list that has more than just email the its not practical. See point 1.

Its too bad they can't include some basic error detection and simply remove or ignore the offending record.

user-avatar

The Checker DOES what it supposed to

I decided to test Checker against some of it's competitors and one thing that stood out for me was that Checker did not allow the user to continue if the field is invalid which is what should happen. The other competitors don't do this. They allow the user to continue which means that the invalid email gets added to the contact list just the same which defeats the purpose of preventing bad data from entering your database. That alone deserves more than 5 tacos.

user-avatar

Can't even use the feature...

I was excited to purchase this deal through app sumo as my agency strongly relies on cold email for prospecting. However, it's giving me an error message "Your account is currently locked due to suspicious activity, please contact us through the chat if you'd like to unlock it." so I can't even use this tool to clean my email list which is a joke... I just bought this deal and didn't even do anything other than uploaded my CSV, how is this suspicious...? Going to request a refund.

Hide replies 1
user-avatar

This problem happened to us as well. The checker has a problem with additional data. If you remove any additional information, like address, zip code, domain name, first and last name it works much better. This is a bit of a pain especially if you have a lot of data. I hope that this helped you and that your account is active again.

user-avatar

Modify that...

OK - even on the weekend support was working and fixed the issue within 3 minutes!!! OK, I'm impressed! Thank you.

user-avatar

Tool - a problem to use for client lists

I bought multiple deals based on the exceptional price - however in using this tool - its been nothing but a problem. It appears that if you have duplicates or blank cells in a client file - they will block your account and consider it a violation of spam policy.

In essence you will need to pre-clean a file - check for duplicates and any other data issues.

I don't need to do this with other verification tools.

I think there data verification process is OK, just the way they validate your file prior to running the veriification.

user-avatar

Input file must be perfect

The system works. Here are 2 situations where it doesn't:

1/ say for example you have a file with 10,000 rows. If there is a single character in that entire file that the checker doesn't like the entire output will be corrupt. They know this and have no intention of fixing it. Its probably a very simple fix. Too bad.

2/ If you want to clean a list that has more than just email the its not practical. See point 1.

Its too bad they can't include some basic error detection and simply remove or ignore the offending record.

user-avatar

The Checker DOES what it supposed to

I decided to test Checker against some of it's competitors and one thing that stood out for me was that Checker did not allow the user to continue if the field is invalid which is what should happen. The other competitors don't do this. They allow the user to continue which means that the invalid email gets added to the contact list just the same which defeats the purpose of preventing bad data from entering your database. That alone deserves more than 5 tacos.

user-avatar

Can't even use the feature...

I was excited to purchase this deal through app sumo as my agency strongly relies on cold email for prospecting. However, it's giving me an error message "Your account is currently locked due to suspicious activity, please contact us through the chat if you'd like to unlock it." so I can't even use this tool to clean my email list which is a joke... I just bought this deal and didn't even do anything other than uploaded my CSV, how is this suspicious...? Going to request a refund.

Hide replies 1
user-avatar

This problem happened to us as well. The checker has a problem with additional data. If you remove any additional information, like address, zip code, domain name, first and last name it works much better. This is a bit of a pain especially if you have a lot of data. I hope that this helped you and that your account is active again.

user-avatar

Modify that...

OK - even on the weekend support was working and fixed the issue within 3 minutes!!! OK, I'm impressed! Thank you.