Krystal vs Modoboa
Krystal wins on privacy, they tie on price and Krystal wins on features. Every fact below was checked on or before 25 October 2026.
Which should you choose?
- Choose Krystal if you want your email to stay in the United Kingdom.
- Modoboa is the better pick if you want a free plan to start on and open-source apps anyone can check.
| Feature | Krystal | Modoboa |
|---|---|---|
| Overall | Not rated | Not rated |
| Privacy | 2.5 | Not rated |
| Price | Not rated | Not rated |
| Features | 4.5 | Not rated |
| Cheapest plan | Email hosting Not confirmed | Open source Free |
| Free plan | No | Yes, open source |
| Storage | Not confirmed | Not confirmed |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | United Kingdom | France |
| Your data is kept in | United Kingdom | Your own server |
| Founded | 2002 | Unknown |
| Free trial | 60-day money-back guarantee | 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 | No | ✓ 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
- Krystal's cheapest plan is Email hosting (Not confirmed); Modoboa's is Open source (Free).
- Krystal has no free plan; Modoboa has a free plan (open source).
- Data location: United Kingdom for Krystal, Your own server for Modoboa.
- The companies sit under different laws: Krystal in United Kingdom, Modoboa in France.
Krystal and Modoboa: your questions
Can I use my own domain with Krystal or Modoboa?
Yes, both do. Krystal: Yes. Modoboa: Yes.
Where is my email stored with Krystal and Modoboa?
Krystal keeps it in the United Kingdom. Modoboa keeps it in Your own server.
Price changes and news
I haven't seen either change its price since I started checking on 25 October 2026.
The latest headlines: Krystal news · Modoboa news.
Alternatives to Krystal and Modoboa
- mailbox.org4.5 out of 5 overall
- Proton Mail for Business4.0 out of 5 overall
- Tuta Business4.0 out of 5 overall
Krystal vs mailbox.org · Modoboa vs mailbox.org · Krystal vs Proton Mail for Business · Modoboa vs Proton Mail for Business · Krystal vs Tuta Business · Modoboa vs Tuta Business
Switching between them
Moving between any two providers works the same way. Pick your two providers for the steps.