ProtonMail vs FastMail

ProtonMail is the world's largest secure email service, designed to keep your private communications truly private through end-to-end encryption and zero-access architecture. Based in Switzerland, it ensures your sensitive data remains shielded from third-party tracking, advertising algorithms, and unauthorized surveillance. With apps available across web, desktop, and mobile devices, it seamlessly integrates advanced cryptographic security into your daily workflow without sacrificing ease of use. Users can easily send encrypted emails to anyone, manage custom domains, and organize their inbox with modern productivity features.

FastMail provides independent, ad-free email and calendar hosting designed for privacy, speed, and efficiency. It offers a clean, lightning-fast interface across web and mobile applications with robust tools to keep your inbox organized. Built for individuals and businesses seeking a reliable alternative to big tech, FastMail supports custom domains, advanced spam protection, and seamless integration with standard email clients via IMAP, SMTP, and CalDAV.

• End-to-end and zero-access encryption
• Protected by strict Swiss privacy laws
• Open-source and independently audited apps
• Free tier available with no ads

• Completely ad-free with a strong focus on user privacy
• Lightning-fast web interface and responsive mobile apps
• Easy setup for custom domain email hosting
• Reliable customer support and robust spam protection

• Free tier has limited storage and features
• Advanced features require a paid subscription
• No native IMAP/POP3 support without a bridge app

• No permanent free tier available, only a limited trial
• Does not include a built-in free email option like major consumer providers
• Advanced administrative features require higher-tier plans