Kolab Now vs Stalwart
On privacy it's Kolab Now. On price it's Kolab Now. On features it's Kolab Now. Here's everything side by side, last checked 25 October 2026.
Kolab Now or Stalwart: which should you choose?
- Kolab Now is the better pick if you want your email to stay in Switzerland and a provider that's been going since 2013.
- Go for Stalwart if you'd like to try it free first.
| Feature | Kolab Now | Stalwart |
|---|---|---|
| Overall | 3.5 | Not rated |
| Privacy | 3.0 | Not rated |
| Price | 3.0 | Not rated |
| Features | 4.5 | Not rated |
| Cheapest plan | Mailbox CHF 5 a month | Community Free (Enterprise from €2 per mailbox a year) |
| Free plan | No | Yes, open source |
| Storage | 5 GB | Not confirmed |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | Switzerland | United Kingdom |
| Your data is kept in | Switzerland | Your own server |
| Founded | 2013 | 2019 |
| Free trial | Unknown | Free to download |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | ✓ Yes |
| Aliases | Yes | Yes |
| Open-source apps | ✓ Yes | ✓ Yes |
| Sign up without ID | No | No |
| White label | Unknown | Unknown |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
The key differences
- Kolab Now's cheapest plan is Mailbox (CHF 5 a month); Stalwart's is Community (Free (Enterprise from €2 per mailbox a year)).
- Kolab Now has no free plan; Stalwart has a free plan (open source).
- Space: Kolab Now gives 5 GB of storage, Stalwart storage not confirmed.
- Data location: Switzerland for Kolab Now, Your own server for Stalwart.
- The companies sit under different laws: Kolab Now in Switzerland, Stalwart in United Kingdom.
Common questions
Can I use my own domain with Kolab Now or Stalwart?
Yes, both do. Kolab Now: Yes. Stalwart: Yes.
Where is my email stored with Kolab Now and Stalwart?
Kolab Now keeps it in Switzerland. Stalwart keeps it in Your own server.
Recent price changes
No price changes for either since 25 October 2026. I check regularly and add any change here with its date.
The latest headlines: Kolab Now news · Stalwart news.
Not sold on either? Try these
Kolab Now vs mailbox.org · Stalwart vs mailbox.org · Kolab Now vs Posteo · Stalwart vs Posteo · Kolab Now vs Proton Mail · Stalwart vs Proton Mail
How to switch
Moving between any two providers works the same way. Pick your two providers for the steps.