IONOS Mail vs Krystal
In short: they tie on privacy, IONOS Mail wins on price, and Krystal wins on features. The full comparison is below, last checked 25 October 2026.
Which should you choose?
- IONOS Mail is the better pick if you want a provider that's been going since 1988.
- Krystal suits you best if you want your diary and address book in one place with your email.
| Feature | IONOS Mail | Krystal |
|---|---|---|
| Overall | 3.0 | Not rated |
| Privacy | 2.5 | 2.5 |
| Price | 4.5 | Not rated |
| Features | 3.0 | 4.5 |
| Cheapest plan | Mail Basic About £1–£2 a month (not confirmed) | Email hosting Not confirmed |
| Free plan | No | No |
| Storage | 2 GB | Not confirmed |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | Germany | United Kingdom |
| Your data is kept in | UK data centre in Worcester; where email sits not confirmed | United Kingdom |
| Founded | 1988 | 2002 |
| Free trial | Unknown | 60-day money-back guarantee |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | ✓ IMAP and SMTP |
| Calendar and contacts | No | ✓ Yes |
| Aliases | Yes | Yes |
| Open-source apps | No | No |
| Sign up without ID | No | No |
| White label | Unknown | Unknown |
| Reader offer | None | None |
| Last checked | 22 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
How IONOS Mail and Krystal differ
- On price: IONOS Mail Mail Basic at About £1–£2 a month (not confirmed), against Krystal Email hosting at Not confirmed.
- IONOS Mail comes with 2 GB of storage and Krystal with storage not confirmed.
- Your mail is stored in the UK data centre in Worcester; where email sits not confirmed with IONOS Mail, and in the United Kingdom with Krystal.
- IONOS Mail is based in Germany and Krystal in the United Kingdom, so different privacy laws apply.
Questions people ask
Which is more private, IONOS Mail or Krystal?
They score the same for privacy: 2.5 out of 5 each. The differences are in the details, such as where your mail is kept (the UK data centre in Worcester; where email sits not confirmed for IONOS Mail, the United Kingdom for Krystal).
Do IONOS Mail and Krystal work with my own domain?
Yes, both do. IONOS Mail: Yes. Krystal: Yes.
Where do IONOS Mail and Krystal keep my email?
IONOS Mail keeps it in the UK data centre in Worcester; where email sits not confirmed. Krystal keeps it in the United Kingdom.
Recent price changes
I haven't seen either change its price since I started checking on 22 October 2026.
The latest headlines: IONOS Mail news · Krystal news.
Alternatives to IONOS Mail and Krystal
- mailbox.org4.5 out of 5 overall
- Proton Mail for Business4.0 out of 5 overall
- Tuta Business4.0 out of 5 overall
IONOS Mail vs mailbox.org · Krystal vs mailbox.org · IONOS Mail vs Proton Mail for Business · Krystal vs Proton Mail for Business · IONOS Mail vs Tuta Business · Krystal vs Tuta Business
Switching between them
Whichever you choose, the move follows the same steps. Pick your two providers for the steps.