GMX vs 20i
20i wins on privacy, GMX wins on price and 20i wins on features. Every fact below was checked on or before 25 October 2026.
Which should you choose?
- Choose GMX if you want a free plan before you pay anything and more space for your mail: 65 GB.
- 20i suits you best if you want a provider with no advertising business behind it and an address on your own domain.
| Feature | GMX | 20i |
|---|---|---|
| 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 | 10 GB |
| 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 | Unknown |
| Free trial | Free | Unknown |
| 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 | ✓ Yes |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 25 October 2026 |
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The key differences
- Cheapest plans: GMX Free, Free (paid plans only for German and Austrian residents). 20i Email hosting, Not confirmed.
- GMX has a free plan (with adverts); 20i has no free plan.
- Space: GMX gives 65 GB of storage, 20i 10 GB of storage.
- Data location: Germany (European data centres) for GMX, United Kingdom for 20i.
- The companies sit under different laws: GMX in Germany, 20i in United Kingdom.
- You can use your own domain with 20i, but not with GMX.
- GMX (or its parent company) makes money from advertising; 20i doesn't.
- Aliases: GMX offers up to 10 addresses, 20i yes.
Common questions
Is GMX more private than 20i?
20i scores 2.5 out of 5 for privacy and GMX 2. 20i gives you a provider with no advertising business behind it.
Can I use my own domain with GMX or 20i?
Only 20i does (Yes). With GMX your address stays on its own domain.
Where is my email stored with GMX and 20i?
GMX keeps it in Germany (European data centres). 20i keeps it in the United Kingdom.
Prices and the latest news
I haven't seen either change its price since I started checking on 25 October 2026.
Also worth a look
GMX vs mailbox.org · 20i vs mailbox.org · GMX vs Posteo · 20i vs Posteo · GMX vs Proton Mail · 20i vs Proton Mail
How to switch
Moving between any two providers works the same way. Pick your two providers for the steps.