GMX vs Krystal
On privacy it's Krystal. On price it's GMX. On features it's Krystal. Here's everything side by side, last checked 25 October 2026.
GMX or Krystal: which should you choose?
- GMX is the better pick if you want to try it free first and more years of history: it started in 1997.
- Krystal suits you best if you want a company that isn't funded by advertising and an address on your own domain.
| Feature | GMX | Krystal |
|---|---|---|
| Overall | 3.5 | Not rated |
| Privacy | 2.0 | 2.5 |
| Price | 5.0 | Not rated |
| Features | 4.0 | 4.5 |
| Cheapest plan | Free Free (paid plans only for German and Austrian residents) | Email hosting Not confirmed |
| Free plan | Yes, with adverts | No |
| Storage | 65 GB | Not confirmed |
| Your own domain | No | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | Germany | United Kingdom |
| Your data is kept in | Germany (European data centres) | United Kingdom |
| Founded | 1997 | 2002 |
| Free trial | Free | 60-day money-back guarantee |
| Funded by advertising | Yes, or its parent company is | No |
| Works in any mail app | ✓ IMAP and SMTP | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | ✓ Yes |
| Aliases | Up to 10 addresses | Yes |
| Open-source apps | No | No |
| Sign up without ID | No | No |
| White label | No | Unknown |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 25 October 2026 |
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Where they differ
- Cheapest plans: GMX Free, Free (paid plans only for German and Austrian residents). Krystal Email hosting, Not confirmed.
- For free, GMX gives you a free plan (with adverts), and Krystal no free plan.
- GMX comes with 65 GB of storage and Krystal with storage not confirmed.
- Data location: Germany (European data centres) for GMX, United Kingdom for Krystal.
- GMX is based in Germany and Krystal in the United Kingdom, so different privacy laws apply.
- Krystal lets you bring your own domain name; GMX doesn't.
- Only GMX is part of an advertising business.
- For extra addresses, GMX has up to 10 addresses and Krystal has yes.
GMX and Krystal: your questions
Which is more private, GMX or Krystal?
Krystal scores 2.5 out of 5 for privacy and GMX 2. Krystal gives you a company that isn't funded by advertising.
Do GMX and Krystal work with my own domain?
Only Krystal does (Yes). With GMX your address stays on its own domain.
Where do GMX and Krystal keep my email?
GMX keeps it in Germany (European data centres). Krystal keeps it in the United Kingdom.
Recent price changes
Neither price has changed since my first check on 25 October 2026.
The latest headlines: GMX news · Krystal news.
Alternatives to GMX and Krystal
GMX vs mailbox.org · Krystal vs mailbox.org · GMX vs Posteo · Krystal vs Posteo · GMX vs Proton Mail · Krystal vs Proton Mail
Switching between them
Whichever you choose, the move follows the same steps. Pick your two providers for the steps.