Head-to-Head Comparison · Alternative to Proton Mail · 🛠️ dev tools
Proton Mail vs Tuta
Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking. Here is how Tuta ($0/mo open source) stacks up against Proton Mail ($25/mo) across cost, hosting, data privacy, and real-world trade-offs.
Tuta is a verified Open Source-licensed open-source replacement for Proton Mail. Switching from Proton Mail ($25/mo) saves $300/yr per solo seat, or $1,500/yr for a 5-person team. Deployment: Runs on Local.
The catch: Community-driven open source project without dedicated enterprise SLAs.
Proton Mail vs Tuta Specifications
facts verified 2026-11-07
| Dimension | Proton Mail (Paid) | Tuta (Replacement) |
|---|---|---|
| Monthly Price | $25 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $300 / yr | $0 / yr (Save $300) |
| 1-Year Cost (5 seats) | $1,500 / yr | $0 / yr (Save $1,500) |
| 1-Year Cost (10 seats) | $3,000 / yr | $0 / yr (Save $3,000) |
| Source & License | Proprietary SaaS | open source Open Source |
| Where It Runs | Vendor Cloud | Local (on your machine) |
| Platforms | Web / Cloud | desktopcross-platformone-click install |
| GitHub Stars | — | ★ 8.1k (active nov 2026) |
Deep Dive: Switching from Proton Mail to Tuta
Trade-offs, installation & data architecture
What you trade away
Community-driven open source project without dedicated enterprise SLAs.
How to deploy Tuta
Clone https://github.com/tutao/tutanota or deploy with Docker Compose
What it takes to run
Download the native package or installer for your operating system.
Where your data lives
All application data lives locally on your own machine.
Why fork Tuta instead of vibe-coding a Proton Mail clone?
Instead of paying recurring SaaS fees for Proton Mail or rebuilding it from scratch, deploy one of the 2 battle-tested open-source alternatives like Tuta.
Proton Mail vs Tuta FAQ
Is Tuta a good free alternative to Proton Mail?+
Yes. Tuta is a verified open-source (Open Source) replacement for Proton Mail. Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.
What is the catch when switching from Proton Mail to Tuta?+
Community-driven open source project without dedicated enterprise SLAs.
How much do you save switching from Proton Mail to Tuta?+
Proton Mail costs $25/mo ($300/yr) per seat, whereas Tuta is $0/mo. Switching saves $300/yr for a solo user, $1,500/yr for a 5-person team, and $3,000/yr for a 10-person team.
How do I install or self-host Tuta instead of Proton Mail?+
Install: Clone https://github.com/tutao/tutanota or deploy with Docker Compose. Setup: Download the native package or installer for your operating system.
