Posteo vs addy.io
Posteo wins on privacy, they tie on price and Posteo wins on features. Every fact below was checked on or before 25 October 2026.
Which should you choose?
- Posteo is the better pick if you want more space for your mail: 4 GB; the choice of any mail app over IMAP; and calendar and contacts in the same account.
- addy.io is the better pick if you want a cheaper plan, at About $1 a month, yearly; to try it free first; and email at your own domain name.
| Feature | Posteo | addy.io |
|---|---|---|
| Overall | 4.5 | 4.0 |
| Privacy | 4.5 | 3.5 |
| Price | 5.0 | 5.0 |
| Features | 3.0 | Not rated |
| Cheapest plan | Posteo €1 a month | Lite About $1 a month, yearly |
| Free plan | No | Yes |
| Storage | 4 GB | Forwards only |
| Your own domain | No | ✓ Yes |
| End-to-end encryption | Optional (PGP or encrypted storage) | No |
| Company based in | Germany | United Kingdom |
| Your data is kept in | Germany | EU |
| Founded | 2009 | 2018 |
| Free trial | No, €1 a month from the start | Free plan |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | No, its own apps only |
| Calendar and contacts | ✓ Yes | No |
| Aliases | Yes (posteo.de only) | Unlimited aliases |
| Open-source apps | ✓ Yes | ✓ Yes |
| Sign up without ID | ✓ Yes | ✓ Yes |
| 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.
Where they differ
- On price: Posteo Posteo at €1 a month, against addy.io Lite at About $1 a month, yearly.
- For free, Posteo gives you no free plan, and addy.io a free plan ().
- Posteo comes with 4 GB of storage and addy.io with no storage, as it forwards mail on.
- Data location: Germany for Posteo, EU for addy.io.
- Posteo is based in Germany and addy.io in the United Kingdom, so different privacy laws apply.
- Posteo offers optional encryption (PGP or encrypted storage); addy.io doesn't encrypt mail end to end.
- addy.io lets you bring your own domain name; Posteo doesn't.
- Posteo works in any mail app over IMAP, and addy.io only works in its own apps.
- For extra addresses, Posteo has yes (posteo.de only) and addy.io has unlimited aliases.
Common questions
Which is more private, Posteo or addy.io?
Posteo scores 4.5 out of 5 for privacy and addy.io 3.5.
Which is cheaper, Posteo or addy.io?
addy.io is cheaper. Its Lite plan is About $1 a month, yearly, against €1 a month for Posteo's Posteo. addy.io also has a free plan. Check the renewal price before you pay, as some first-year prices go up.
Do Posteo and addy.io work with my own domain?
Only addy.io does (Yes). With Posteo your address stays on its own domain.
Where do Posteo and addy.io keep my email?
Posteo keeps it in Germany. addy.io keeps it in the EU.
Do Posteo and addy.io work in other mail apps?
Posteo works in any mail app over IMAP. addy.io only works in its own apps.
Prices and the latest news
No price changes for either since 22 October 2026. I check regularly and add any change here with its date.
The latest headlines: Posteo news · addy.io news.
Also worth a look
Posteo vs mailbox.org · addy.io vs mailbox.org · Posteo vs Proton Mail · addy.io vs Proton Mail · Posteo vs Tuta · addy.io vs Tuta
How to switch
Moving to Posteo · Moving from Posteo. Or see all my switching guides.