Tuta vs Posteo

Both Tuta and Posteo are European-built, GDPR-compliant solutions in the email hosting space. This comparison breaks down their features, pricing, compliance posture, and data residency so you can make an informed choice for your team.

Quick Overview

Tuta

Headquarters: Hanover, DE
Pricing: Free / From €3/mo
Open Source: Yes

Posteo

Headquarters: Berlin, DE
Pricing: From €1/mo
Open Source: No

Key Differences

Tuta offers a free tier, while posteo starts at €1/month. This makes Tuta more accessible for individuals and small teams exploring their options before committing.
Tuta is open source, meaning you can audit the code, self-host, and avoid vendor lock-in. Posteo is proprietary, which often means a more polished out-of-the-box experience and dedicated support, but less flexibility for customisation.
Each product has unique strengths: Tuta offers End-to-end encrypted email and Encrypted subject lines, while Posteo provides 100% renewable energy powered and PGP and S/MIME encryption. Your choice depends on which capabilities matter most for your workflow.

Feature Comparison

Feature	Tuta	Posteo
Name	Tuta	Posteo
Pricing	Free / From €3/mo	From €1/mo
Free Tier
GDPR
ISO 27001
Open Source
Headquarters	Hanover, DE	Berlin, DE
Data Centers	DE	DE
End-to-end encrypted email
Encrypted subject lines
Encrypted calendar
Encrypted contacts
Custom domain support
Desktop and mobile apps
Two-factor authentication
Anonymous sign-up option
100% renewable energy powered
PGP and S/MIME encryption
Anonymous registration
Calendar and contacts (CalDAV/CardDAV)
Incoming mail encryption
No ads or tracking
Cash payment option

Pricing Comparison

Tuta

Free / From €3/mo

freemium

Posteo

From €1/mo

subscription

Compliance Comparison

Tuta

GDPRDPA

Posteo

GDPRDPA

Get Started

Try Tuta

Secure email and calendar made in Germany

Visit Tuta

Try Posteo

Green and privacy-focused email provider

Visit Posteo

How to Choose

You need code transparency or self-hosting

Choose Tuta

You want a fully managed, turnkey solution

Choose Posteo

You're a startup or individual on a budget

Choose Tuta

You need enterprise-grade support and stability

Choose Tuta

You prefer a nimble provider with personalised support

Choose Posteo

Tuta vs Posteo — FAQ

What is the main difference between Tuta and Posteo?

Both Tuta and Posteo are European email hosting solutions with full GDPR compliance. The key differences lie in their approach: Tuta is open source while Posteo is proprietary, and Tuta uses freemium pricing while Posteo uses subscription. Tuta is headquartered in Hanover, Germany, while Posteo is based in Berlin, Germany. Your choice should depend on your specific requirements for features, pricing, and data residency.

Which is more affordable, Tuta or Posteo?

Tuta offers a free tier, while posteo starts at €1/month. Pricing models differ (freemium vs. subscription), so compare based on your usage pattern rather than just the starting price.

Are both Tuta and Posteo GDPR compliant?

Yes. Both Tuta and Posteo are European companies that store data within the EU/EEA and offer Data Processing Agreements. Neither is subject to the US CLOUD Act or FISA surveillance. For GDPR purposes, either option eliminates the legal risks associated with using US-based services.