Proton Mail vs Tutanota

Proton Mail is a secure, privacy-focused email service founded by CERN scientists and protected by strict Swiss privacy laws. It utilizes end-to-end encryption and zero-access encryption to ensure that even the provider cannot read user messages. The platform offers a seamless experience across web and mobile devices, featuring modern interfaces, custom domain support, and integrated calendar and drive services. Designed for individuals and organizations seeking ultimate data confidentiality, it removes ads and trackers from standard email workflows.

Tutanota (now known as Tuta) is a privacy-first communication service designed to keep your emails, calendars, and contacts completely confidential. Utilizing advanced, quantum-resistant encryption, it ensures that only you and your intended recipients can access your personal data. Built on open-source principles and hosted on secure servers in Germany that run entirely on renewable energy, Tutanota offers an ad-free experience with strict compliance to European privacy laws. It provides seamless cross-platform synchronization while eliminating tracking and data harvesting.

• Strong Swiss legal protection and privacy jurisdiction
• Zero-access encryption means data cannot be handed over to third parties
• Ad-free experience with no tracking of user habits
• Open-source client apps audited by independent security experts

• End-to-end encryption for emails and calendars
• Strict GDPR compliance and green hosting in Germany
• Open-source client applications
• Ad-free experience with no tracking

• Free tier has strict storage limits and features disabled
• Metadata such as sender, recipient, and timestamps cannot be fully encrypted by email standards
• Paid subscription required for advanced features like custom domains and multiple addresses

• Limited storage space on the free tier
• Does not natively support IMAP or POP3 protocols
• Search capabilities are limited due to client-side encryption