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GMX vs addy.io

On privacy it's addy.io. On price it's a tie. On features it's GMX. Here's everything side by side, last checked 25 October 2026.

GMX or addy.io: which should you choose?

  • GMX is the better pick if you want a mailbox that costs nothing; more space for your mail: 65 GB; and freedom to use the mail app you already like.
  • addy.io is the better pick if you want email from a company that doesn't make money from adverts; an address on your own domain; and open-source apps anyone can check.
FeatureGMXaddy.io
Overall3.54.0
Privacy2.03.5
Price5.05.0
Features4.0Not rated
Cheapest planFree
Free (paid plans only for German and Austrian residents)
Lite
About $1 a month, yearly
Free planYes, with advertsYes
Storage65 GBForwards only
Your own domainNo✓ Yes
End-to-end encryptionNoNo
Company based in Germany United Kingdom
Your data is kept in Germany (European data centres) EU
Founded19972018
Free trialFreeFree plan
Funded by advertisingYes, or its parent company isNo
Works in any mail app✓ IMAP and SMTPNo, its own apps only
Calendar and contacts✓ YesNo
AliasesUp to 10 addressesUnlimited aliases
Open-source appsNo✓ Yes
Sign up without IDNo✓ Yes
White labelNoNo
Reader offerNoneNone
Last checked25 October 202625 October 2026

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Where they differ

  • GMX's cheapest plan is Free (Free (paid plans only for German and Austrian residents)); addy.io's is Lite (About $1 a month, yearly).
  • For free, GMX gives you a free plan (with adverts), and addy.io a free plan ().
  • GMX comes with 65 GB of storage and addy.io with no storage, as it forwards mail on.
  • Your mail is stored in Germany (European data centres) with GMX, and in the EU with addy.io.
  • GMX is based in Germany and addy.io in the United Kingdom, so different privacy laws apply.
  • addy.io lets you bring your own domain name; GMX doesn't.
  • GMX works in any mail app over IMAP, and addy.io only works in its own apps.
  • Only GMX is part of an advertising business.
  • For extra addresses, GMX has up to 10 addresses and addy.io has unlimited aliases.

Common questions

Which is more private, GMX or addy.io?

addy.io scores 3.5 out of 5 for privacy and GMX 2. addy.io gives you email from a company that doesn't make money from adverts, open-source apps anyone can check and to sign up without proving who you are.

Which is cheaper, GMX or addy.io?

GMX costs nothing to start (Free (paid plans only for German and Austrian residents)). addy.io's cheapest plan, Lite, is About $1 a month, yearly. addy.io has a free plan too: .

Do GMX and addy.io work with my own domain?

Only addy.io does (Yes). With GMX your address stays on its own domain.

Where do GMX and addy.io keep my email?

GMX keeps it in Germany (European data centres). addy.io keeps it in the EU.

Do GMX and addy.io work in other mail apps?

GMX works in any mail app over IMAP. addy.io only works in its own apps.

Recent price changes

No price changes for either since 25 October 2026. I check regularly and add any change here with its date.

The latest headlines: GMX news · addy.io news.

Also worth a look

GMX vs mailbox.org · addy.io vs mailbox.org · GMX vs Posteo · addy.io vs Posteo · GMX vs Proton Mail · addy.io vs Proton Mail

How to switch

Whichever you choose, the move follows the same steps. Pick your two providers for the steps.

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