Proton Mail
Tresorit
| Feature | Proton Mail | Tresorit |
|---|---|---|
| Pricing | Free / from $3.99/mo | From $11.99/mo |
| Free Plan | ✓ Yes | ✗ No |
| Rating | 4.5 / 5 | 4.4 / 5 |
| Best For | privacy-conscious-users, journalists, activists, security-professionals | law-firms, healthcare, financial-services, privacy-focused-businesses |
| Founded | 2014 | 2011 |
| Encryption | ✓ | ✗ |
| Zero Access Architecture | ✓ | ✗ |
| Self Destructing Emails | ✓ | ✗ |
| Custom Domains | ✓ | ✗ |
| Bridge For Desktop | ✓ | ✗ |
| Calendar | ✓ | ✗ |
| End To End Encryption | ✗ | ✓ |
| Secure Sharing | ✗ | ✓ |
| Digital Rights Management | ✗ | ✓ |
| Audit Logs | ✗ | ✓ |
| Remote Wipe | ✗ | ✓ |
| Compliance | ✗ | ✓ |
| Email Encryption | ✗ | ✓ |
✓ Proton Mail Pros
- End-to-end encryption
- No ads
- Swiss privacy laws
- Open source
✗ Proton Mail Cons
- Limited free storage
- Fewer integrations
- Search limited to metadata
✓ Tresorit Pros
- Zero-knowledge end-to-end encryption for all files
- GDPR, HIPAA, and Swiss privacy law compliant
- Secure file sharing with expiring links and watermarks
- No access to user data even by Tresorit staff
✗ Tresorit Cons
- More expensive than mainstream cloud storage
- Smaller ecosystem of integrations
- File preview limited compared to Google Drive
The Verdict
Proton Mail is built for privacy conscious users and journalists, with a focus on encryption and zero-access-architecture. Tresorit targets law firms and healthcare and leads with end-to-end-encryption and secure-sharing.
On pricing, Proton Mail is the clear winner for budget-conscious users — starting at $3.99/mo compared to $11.99/mo for Tresorit. That $8/mo difference adds up quickly for growing teams.
Proton Mail has a free plan, which gives it a meaningful edge for individuals and small teams exploring their options. Tresorit requires a paid subscription from day one.
Feature-wise, Tresorit offers broader built-in capabilities (7 features vs 6), while Proton Mail takes a more focused approach — which can mean a simpler, faster onboarding experience.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.