Best Alternatives to Proton Mail
Looking for an alternative to Proton Mail? Whether you need different pricing, features, or simply want to explore your options in the Cybersecurity space, we've rounded up the top alternatives based on use case overlap and ratings.
Common reasons people look for Proton Mail alternatives include: Free tier limited to 500 MB storage and one email address only; Encrypted email only works between Proton users; external emails less protected.
10 Best Proton Mail Alternatives
YubiKey
Physical hardware key that makes phishing attacks technically impossible to succeed
Signal
The gold standard encryption protocol used as the basis for all major secure messengers
VeraCrypt
Hidden volume plausible deniability feature unique to VeraCrypt among free tools
Duo Security
Cisco-backed device health verification ensures only secure devices access corporate apps
HashiCorp Vault
Dynamic secret generation creates unique credentials per request that auto-expire
Tuta (Tutanota)
Encrypts email subjects and contacts in addition to body unlike most secure providers
Tresorit
PwC-audited zero-knowledge encryption positions it as most trusted encrypted cloud
Authy
Multi-device sync with encrypted cloud backup solves phone loss problem for 2FA
Auth0
Developer-first auth platform with highest SDK coverage and most flexible pipeline
Threema
Only major secure messenger requiring zero personal information for account creation
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