What are some alternatives?
When comparing NoBounce Email List Cleaner and Email Checker, you can also consider the following products
Email Verifier - Email verifier app lets you verify email.
Kickbox - Verify your email address lists with our drag and drop interface, or integrate into your app with our API. Prevent fake and bot account sign-ups by confirming your users are real humans with a real email address.
Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI
Email YoYo - Email YoYo is an list cleaning and real-time email verification API to verify email addresses online.
useBouncer - The most intelligent email checker, that lets you focus on valuable relationships! Verify email address with simple App or easy-to-integrate API.
Verifalia - Verifalia is a web-based email validation that lets users to upload and validate lists of email addresses.