Gmail Peeper vs MailPop for Gmail

Gmail Peeper

Security & Privacy

Gmail Peeper is a Gmail add-on that allows users to see who opened their emails and what actions they took. It tracks opens, clicks, replies, and more to give visibility into how recipients engage with emails.

MailPop for Gmail

Office & Productivity

MailPop is an email client for Gmail that allows you to access your Gmail account offline. It syncs your emails, contacts, and calendar from Gmail to your computer so you can read, write, and organize emails without an internet connection.