MailerCheck vs. Wiza

Reach the inbox and boost your deliverability by verifying, analyzing and cleaning your email lists. MailerCheck is an email deliverability platform that provides businesses with tools to improve their campaigns and email configuration for maximum delivery performance. The email verification tool allows users to check a single email address or an entire contact list. It detects invalid or problematic emails so they can be removed, preventing damage to the sender's reputation and improving their chances of successful delivery.

Founded in 2019, with offices in New York City and Toronto, Wiza is a leading sales-intelligence platform serving nearly 500,000 individuals and over 50,000 companies globally. Wiza primarily serves sales, recruiting, and marketing teams, providing a reliable and efficient source of 100% verified email addresses and phone numbers for B2B outreach. Wiza has developed a proprietary AI-driven approach to live-source contacts and their contact information in real-time, leveraging Linkedin to ensure accuracy regarding where somebody is employed at any given moment. Zero bounces.