ZeroBounce vs.

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The choice is clear when you review the services between ZeroBounce and

As an email marketer, you know that your email hygiene is paramount. Making sure your campaigns reach real people is the first step to increase your ROI. If you can’t decide which email checker is best for you, our comparisons may help. Below you can find a table that looks at ZeroBounce and 250ok to determine the features each email checker offers. 250ok is a platform that provides several email solutions, with email validation being just a part of the service. That’s why the company doesn’t disclose most features. ZeroBounce, on the other hand, is dedicated to email verification to ensure your emails hit the inbox.

Price per 10,000 email verifications
Email Bounce Detection
Spam Trap Detection
Free deduplication
Data security: Unique key for each file uploaded in the system; military grade encryption algorithm to safeguard all files and personal information.
Email Abuse Detection
Email Data Append
Toxic Domain Detection
Social Append
IP Information Append
Disposable Email Detection
Catch-All Domain Detection
Email Gender Append
24/7 Support
Accuracy Rate
Money-Back Guarantee














Comparison as of July 2019

Disclaimer: The third party's name is utilized for comparison purposes only and is the trademark of its respective owner. ZeroBounce claims no rights whatsoever in the use of such name and/or any related trademarks. Zero Bounce is not affiliated with the third party referenced on this page.

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ZeroBounce is more than an email validation service.

We clean your email list, score it and enhance it by adding missing data to it. What’s more, our email testing and blacklist monitoring tools work together to help you land in the inbox.

Founded in Santa Barbara, CA, ZeroBounce is headquartered in Boca Raton, FL and also has offices in Romania.

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We’re serious about security and your privacy

Your data’s security is everything to us. From day one, our entire team wanted not only the best email validator but also, military-grade security. Customers tell us it gives them great peace of mind knowing that, while they scrub their lists, their data is safe.

ZeroBounce is GDPR, SOC 2 and PCI compliant. Also, we partnered with reputable cybersecurity companies to always ensure we exceed standards.

  • GDPR compliant

    GDPR Compliant

  • Privacy Shield

    Privacy Shield

  • SOC 2 Compliant

    SOC 2 Compliant

  • CCPA Compliant

    CCPA Compliant

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