MTARGET SONAR VS Saleshandy

Unlimited and forever free tool to track your emails easily. This is SONAR, a Gmail tracker extension for Google Chrome that makes you able to track your email activities, such as when your email is opened. Other than that, SONAR will give you peace of mind and a hint of what next email you should send or the next action you should take after you send an email and know who opened your emails, and how many times your emails are opened.

Saleshandy is a cold email platform that helps organizations increase their email outreach operations without sacrificing quality. On Saleshandy, you can send hundreds (or thousands) of campaigns with multi-stage automated follow-up emails to your leads at once. You can use merge tags to customize your email campaigns and have automated follow-ups delivered based on the previous email's interaction (opens or clicks).