protonmail vs fastmail: Which Is Better? [Comparison]

ProtonMail is an email service that emphasizes privacy and security through end-to-end encryption. It allows users to send encrypted emails and is designed to protect user data from unauthorized access.

Quick Comparison

Feature protonmail fastmail
Encryption End-to-end No end-to-end
Storage Limited (free tier: 500 MB) More options (starting at 2 GB)
User Interface Simple, minimal Feature-rich
Custom Domains Available (paid plans) Available (paid plans)
Pricing Free tier available, paid plans No free tier, paid plans only
Mobile Apps Yes Yes
Privacy Focus High Moderate

What is protonmail?

ProtonMail is an email service that emphasizes privacy and security through end-to-end encryption. It allows users to send encrypted emails and is designed to protect user data from unauthorized access.

What is fastmail?

FastMail is an email service that offers a range of features, including custom domains and advanced organizational tools. It focuses on providing a reliable email experience with a variety of storage options.

Key Differences

Which Should You Choose?

Frequently Asked Questions

Is ProtonMail really secure?

Yes, ProtonMail uses end-to-end encryption, which means that only the sender and recipient can read the messages.

Can I use my own domain with FastMail?

Yes, FastMail allows users to set up custom domains for their email addresses, which is useful for businesses and professionals.

Does ProtonMail have a mobile app?

Yes, ProtonMail offers mobile applications for both iOS and Android devices.

Is there a free version of FastMail?

No, FastMail does not offer a free version; all plans require a subscription.

Conclusion

ProtonMail and FastMail serve different user needs, with ProtonMail focusing on privacy and security, while FastMail emphasizes features and storage options. The choice between them depends on individual requirements regarding email usage and security preferences.

Last updated: 2026-02-08