Krystal vs Mox
On privacy it's Krystal. On price it's a tie. On features it's Krystal. Here's everything side by side, last checked 25 October 2026.
Which should you choose?
- Krystal suits you best if you want your mailbox stored in the United Kingdom and a calendar and contacts alongside your mail.
- Mox is the better pick if you want to try it free first and open-source apps anyone can check.
| Feature | Krystal | Mox |
|---|---|---|
| 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 | Netherlands |
| 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 | No |
| 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.
Where they differ
- On price: Krystal Email hosting at Not confirmed, against Mox Open source at Free.
- For free, Krystal gives you no free plan, and Mox a free plan (open source).
- Your mail is stored in the United Kingdom with Krystal, and in Your own server with Mox.
- Krystal is based in the United Kingdom and Mox in the Netherlands, so different privacy laws apply.
Questions people ask
Do Krystal and Mox work with my own domain?
Yes, both do. Krystal: Yes. Mox: Yes.
Where do Krystal and Mox keep my email?
Krystal keeps it in the United Kingdom. Mox keeps it in Your own server.
Price changes and news
No price changes for either since 25 October 2026. I check regularly and add any change here with its date.
The latest headlines: Krystal news · Mox news.
Alternatives to Krystal and Mox
- 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 · Mox vs mailbox.org · Krystal vs Proton Mail for Business · Mox vs Proton Mail for Business · Krystal vs Tuta Business · Mox vs Tuta Business
How to switch
Whichever you choose, the move follows the same steps. Pick your two providers for the steps.