Posteovs
Tuta (Tutanota)
Both score similarly on sovereignty (84 vs 84). The right choice depends on the details below – open source, self-hosting, pricing and focus.
Score comparison
| Posteo | Tuta (Tutanota) | |
|---|---|---|
| Sovereignty | 84 | 84 |
| Privacy | 92 | 93 |
| Open Source | 10 | 85 |
| Business fit | 66 | 66 |
| Migration ease | 60 | 55 |
| Pricing transparency | 90 | 82 |
| Enterprise readiness | 55 | 58 |
Features & facts
| Posteo | Tuta (Tutanota) | |
|---|---|---|
| Country | Germany | Germany |
| Open Source | No | Yes |
| Self-Hosting | No | No |
| Cloud/SaaS | Yes | Yes |
| EU data residency | Yes | Yes |
| DPA / AV-Vertrag | Yes | Yes |
| ISO 27001 | Yes | unknown |
| Data location | Germany (Berlin, Frankfurt) | Germany |
| From | 1 € / Monat | 3 € / Monat |
| Founded | 2009 | 2011 |
Posteo
Germany
Ad-free, green email service from Berlin with strong privacy – anonymous sign-up and payment, servers in Germany.
Strengths
- Anonymous sign-up and payment, ad-free
- Servers in Germany, ISO 27001, 100% green electricity
- Simple flat plan (€1/month), annual transparency reports
Weaknesses
- Not open source, no self-hosting
- Focus on email/groupware, few business/team features
- Comparatively little storage in the base plan
Tuta (Tutanota)
Germany
End-to-end encrypted email and calendar from Germany – open source and ad-free.
Strengths
- End-to-end encrypted, headquarters and servers in Germany
- Open-source apps, ad-free
- Low-cost entry plans
Weaknesses
- No classic IMAP/SMTP access due to encryption
- Fewer groupware/business features
Choose Posteo if…
- Privacy-conscious private users
- Users who value anonymity and sustainability
Choose Tuta (Tutanota) if…
- Privacy-conscious private users
- Small teams with high encryption needs
Scores are editorial orientation, not legal advice. Details are based on public provider information and are not independently verified.