addy.io vs Stalwart
Addy.io wins on privacy, addy.io wins on price and they tie on features. Every fact below was checked on or before 25 October 2026.
Which should you choose?
- addy.io suits you best if you want your mail kept in the EU and to sign up without proving who you are.
- Stalwart is the better pick if you want the choice of any mail app over IMAP and calendar and contacts in the same account.
| Feature | addy.io | Stalwart |
|---|---|---|
| Overall | 4.0 | Not rated |
| Privacy | 3.5 | Not rated |
| Price | 5.0 | Not rated |
| Features | Not rated | Not rated |
| Cheapest plan | Lite About $1 a month, yearly | Community Free (Enterprise from €2 per mailbox a year) |
| Free plan | Yes | Yes, open source |
| Storage | Forwards only | Not confirmed |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | United Kingdom | United Kingdom |
| Your data is kept in | EU | Your own server |
| Founded | 2018 | 2019 |
| Free trial | Free plan | Free to download |
| Funded by advertising | No | No |
| Works in any mail app | No, its own apps only | ✓ IMAP and SMTP |
| Calendar and contacts | No | ✓ Yes |
| Aliases | Unlimited aliases | Yes |
| Open-source apps | ✓ Yes | ✓ Yes |
| Sign up without ID | ✓ Yes | No |
| White label | No | Unknown |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
How addy.io and Stalwart differ
- addy.io's cheapest plan is Lite (About $1 a month, yearly); Stalwart's is Community (Free (Enterprise from €2 per mailbox a year)).
- For free, addy.io gives you a free plan (), and Stalwart a free plan (open source).
- addy.io comes with no storage, as it forwards mail on and Stalwart with storage not confirmed.
- addy.io keeps your mail in the EU, while Stalwart keeps it in Your own server.
- addy.io only works in its own apps, and Stalwart works in any mail app over IMAP.
- For extra addresses, addy.io has unlimited aliases and Stalwart has yes.
Questions people ask
Do addy.io and Stalwart work with my own domain?
Yes, both do. addy.io: Yes. Stalwart: Yes.
Where do addy.io and Stalwart keep my email?
addy.io keeps it in the EU. Stalwart keeps it in Your own server.
Do addy.io and Stalwart work in other mail apps?
addy.io only works in its own apps. Stalwart works in any mail app over IMAP.
Recent price changes
I haven't seen either change its price since I started checking on 25 October 2026.
The latest headlines: addy.io news · Stalwart news.
Alternatives to addy.io and Stalwart
addy.io vs mailbox.org · Stalwart vs mailbox.org · addy.io vs Posteo · Stalwart vs Posteo · addy.io vs Proton Mail · Stalwart vs Proton Mail
How to switch
Whichever you choose, the move follows the same steps. Pick your two providers for the steps.