Email Apps - Directory w/ AI Reviews

Email client applications

Gmail 1 4.4 Gmail iOS, Android, Web Free Free Plan 10B+ downloads Google LLC 1 review Gmail is the world's largest email service with 1.8 billion users, offering AI-powered Smart Compose, advanced spam filtering, conversation threading, labels, and deep Google Workspace integration. Outlook 2 4.3 Outlook iOS, Android, Web, macOS, Windows Freemium Free Plan 500M+ downloads Microsoft Corporation 1 review Microsoft Outlook is a full-featured email client with focused inbox, multi-account support, intelligent search, and deep integration with Microsoft 365 services. Proton Mail 3 4.1 Proton Mail iOS, Android, Web, macOS, Windows, Linux Freemium Free Plan 50M+ downloads Proton AG 1 review Proton Mail is an end-to-end encrypted email service based in Switzerland, offering zero-access encryption, self-destructing messages, and full PGP support for maximum privacy.