Posteo vs Tuta Business
In short: they tie on privacy, Posteo wins on price, and Tuta Business wins on features. The full comparison is below, last checked 25 October 2026.
Which should you choose?
- Go for Posteo if you'd like the lower price (€1 a month); the choice of any mail app over IMAP; and features the other lacks, like PGP encryption as well as sieve filters.
- Tuta Business suits you best if you want mail that's encrypted end to end without any setup; to use your own domain, like you@yourname.co.uk; and 50 GB of storage.
| Feature | Posteo | Tuta Business |
|---|---|---|
| Overall | 4.5 | 4.0 |
| Privacy | 4.5 | 4.5 |
| Price | 5.0 | 2.5 |
| Features | 3.0 | 4.0 |
| Cheapest plan | Posteo €1 a month | Essential About €6 per user a month |
| Free plan | No | No |
| Storage | 4 GB | 50 GB |
| Your own domain | No | ✓ Yes |
| End-to-end encryption | Optional (PGP or encrypted storage) | ✓ Built in |
| Company based in | Germany | Germany |
| Your data is kept in | Germany | Germany |
| Founded | 2009 | 2011 |
| Free trial | No, €1 a month from the start | Unknown |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | No, its own apps only |
| Calendar and contacts | ✓ Yes | ✓ Yes |
| Aliases | Yes (posteo.de only) | Yes |
| Open-source apps | ✓ Yes | ✓ Yes |
| Sign up without ID | ✓ Yes | No |
| White label | No | No |
| Reader offer | None | None |
| Last checked | 22 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
The key differences
- Cheapest plans: Posteo Posteo, €1 a month. Tuta Business Essential, About €6 per user a month.
- Space: Posteo gives 4 GB of storage, Tuta Business 50 GB of storage.
- On encryption, Posteo offers optional encryption (PGP or encrypted storage), whereas Tuta Business encrypts mail end to end.
- You can use your own domain with Tuta Business, but not with Posteo.
- Mail apps: Posteo works in any mail app over IMAP; Tuta Business only works in its own apps.
- Aliases: Posteo offers yes (posteo.de only), Tuta Business yes.
Questions people ask
Is Posteo more private than Tuta Business?
They score the same for privacy: 4.5 out of 5 each. The differences are in the details, such as where your mail is kept (Germany for Posteo, Germany for Tuta Business).
Is Posteo cheaper than Tuta Business?
Posteo is cheaper. Its Posteo plan is €1 a month, against About €6 per user a month for Tuta Business's Essential. Check the renewal price before you pay, as some first-year prices go up.
Can I use my own domain with Posteo or Tuta Business?
Only Tuta Business does (Yes). With Posteo your address stays on its own domain.
Where is my email stored with Posteo and Tuta Business?
Both keep it in Germany.
Can I use Posteo and Tuta Business in Apple Mail or Outlook?
Posteo works in any mail app over IMAP. Tuta Business only works in its own apps.
Prices and the latest news
I haven't seen either change its price since I started checking on 22 October 2026.
The latest headlines: Posteo news · Tuta Business news.
Not sold on either? Try these
Posteo vs mailbox.org · Tuta Business vs mailbox.org · Posteo vs Proton Mail · Tuta Business vs Proton Mail · Posteo vs Tuta · Tuta Business vs Tuta
How to switch
Moving to Posteo · Moving from Posteo. Or see all my switching guides.