Paul O'Brieneverything email Subscribe

Posteo vs SimpleLogin

In short: Posteo wins on privacy, Posteo wins on price, and Posteo wins on features. The full comparison is below, last checked 25 October 2026.

Posteo or SimpleLogin: which should you choose?

  • Choose Posteo if you want to pay less: €1 a month; 4 GB of storage; and the choice of any mail app over IMAP.
  • SimpleLogin suits you best if you want to try it free first; email at your own domain name; and features the other lacks, like catch-all address as well as mobile apps.
FeaturePosteoSimpleLogin
Overall4.53.5
Privacy4.53.0
Price5.04.0
Features3.0Not rated
Cheapest planPosteo
€1 a month
Premium
$36 a year (with Proton Pass)
Free planNoYes, 10 aliases
Storage4 GBForwards only
Your own domainNo✓ Yes
End-to-end encryptionOptional (PGP or encrypted storage)No
Company based in Germany Switzerland (Proton)
Your data is kept in Germany EU
Founded20092019
Free trialNo, €1 a month from the startFree plan
Funded by advertisingNoNo
Works in any mail app✓ IMAP and SMTPNo, its own apps only
Calendar and contacts✓ YesNo
AliasesYes (posteo.de only)Unlimited aliases
Open-source apps✓ Yes✓ Yes
Sign up without ID✓ YesNo
White labelNoNo
Reader offerNoneNone
Last checked22 October 202625 October 2026

Want to add another? Open this in the compare tool.

The key differences

  • Posteo's cheapest plan is Posteo (€1 a month); SimpleLogin's is Premium ($36 a year (with Proton Pass)).
  • Posteo has no free plan; SimpleLogin has a free plan (10 aliases).
  • Space: Posteo gives 4 GB of storage, SimpleLogin no storage, as it forwards mail on.
  • Your mail is stored in Germany with Posteo, and in the EU with SimpleLogin.
  • The companies sit under different laws: Posteo in Germany, SimpleLogin in Switzerland (Proton).
  • On encryption, Posteo offers optional encryption (PGP or encrypted storage), whereas SimpleLogin doesn't encrypt mail end to end.
  • You can use your own domain with SimpleLogin, but not with Posteo.
  • Mail apps: Posteo works in any mail app over IMAP; SimpleLogin only works in its own apps.
  • Aliases: Posteo offers yes (posteo.de only), SimpleLogin unlimited aliases.

Posteo and SimpleLogin: your questions

Is Posteo more private than SimpleLogin?

Posteo scores 4.5 out of 5 for privacy and SimpleLogin 3. Posteo gives you sign-up without ID.

Is Posteo cheaper than SimpleLogin?

Posteo is cheaper. Its Posteo plan is €1 a month, against $36 a year (with Proton Pass) for SimpleLogin's Premium. SimpleLogin also has a free plan. Check the renewal price before you pay, as some first-year prices go up.

Can I use my own domain with Posteo or SimpleLogin?

Only SimpleLogin does (Yes). With Posteo your address stays on its own domain.

Where is my email stored with Posteo and SimpleLogin?

Posteo keeps it in Germany. SimpleLogin keeps it in the EU.

Can I use Posteo and SimpleLogin in Apple Mail or Outlook?

Posteo works in any mail app over IMAP. SimpleLogin only works in its own apps.

Prices and the latest news

Neither price has changed since my first check on 22 October 2026.

The latest headlines: Posteo news · SimpleLogin news.

Not sold on either? Try these

Posteo vs mailbox.org · SimpleLogin vs mailbox.org · Posteo vs Proton Mail · SimpleLogin vs Proton Mail · Posteo vs Tuta · SimpleLogin vs Tuta

How to switch

Moving to Posteo · Moving from Posteo. Or see all my switching guides.

Get new posts and become a member

You're subscribing to Paul O'Brien - Insights, my newsletter. When I publish a new review, guide or explainer, it comes straight to your inbox. It's free, and you also become a member.

See everything members get

I'll send one email first so you can confirm it's you. Already subscribed? Sign in to manage your details