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SimpleLogin vs Stalwart

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

Should you pick SimpleLogin or Stalwart?

  • SimpleLogin is the better pick if you want your mailbox stored in the EU.
  • Choose Stalwart if you want to read your mail in any app, such as Apple Mail, Outlook or Thunderbird and your diary and address book in one place with your email.
FeatureSimpleLoginStalwart
Overall3.5Not rated
Privacy3.0Not rated
Price4.0Not rated
FeaturesNot ratedNot rated
Cheapest planPremium
$36 a year (with Proton Pass)
Community
Free (Enterprise from €2 per mailbox a year)
Free planYes, 10 aliasesYes, open source
StorageForwards onlyNot confirmed
Your own domain✓ Yes✓ Yes
End-to-end encryptionNoNo
Company based in Switzerland (Proton) United Kingdom
Your data is kept in EUYour own server
Founded20192019
Free trialFree planFree to download
Funded by advertisingNoNo
Works in any mail appNo, its own apps only✓ IMAP and SMTP
Calendar and contactsNo✓ Yes
AliasesUnlimited aliasesYes
Open-source apps✓ Yes✓ Yes
Sign up without IDNoNo
White labelNoUnknown
Reader offerNoneNone
Last checked25 October 202625 October 2026

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

Where they differ

  • SimpleLogin's cheapest plan is Premium ($36 a year (with Proton Pass)); Stalwart's is Community (Free (Enterprise from €2 per mailbox a year)).
  • SimpleLogin has a free plan (10 aliases); Stalwart has a free plan (open source).
  • Space: SimpleLogin gives no storage, as it forwards mail on, Stalwart storage not confirmed.
  • Your mail is stored in the EU with SimpleLogin, and in Your own server with Stalwart.
  • The companies sit under different laws: SimpleLogin in Switzerland (Proton), Stalwart in United Kingdom.
  • Mail apps: SimpleLogin only works in its own apps; Stalwart works in any mail app over IMAP.
  • Aliases: SimpleLogin offers unlimited aliases, Stalwart yes.

Common questions

Can I use my own domain with SimpleLogin or Stalwart?

Yes, both do. SimpleLogin: Yes. Stalwart: Yes.

Where is my email stored with SimpleLogin and Stalwart?

SimpleLogin keeps it in the EU. Stalwart keeps it in Your own server.

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

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

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: SimpleLogin news · Stalwart news.

Alternatives to SimpleLogin and Stalwart

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

Moving your email

Moving between any two providers works the same way. Pick your two providers for the steps.

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