SimpleLogin vs Startmail Comparison (2025)

What are the differences between SimpleLogin and Startmail?

Forward Email Team
Written by
Forward Email TeamVerified
Published
7/1/25
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to SimpleLogin.

Email Service Comparison

20 facts in comparison
SimpleLoginvs.Startmail

SimpleLogin

Receive and send emails anonymously
"Receive and send emails anonymously"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

Startmail

Private email you can trust
"Private email you can trust"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$4/moPricing$7/mo
No SimpleLogin does not support storageStorage20 GB
25 MBAttachments25 MB
YesOpen-SourceNo
NoSandboxed Encryption ❌ Startmail claims to use a User Vault, but this statement has not been audited and their source code is closed-source
YesUnlimited DomainsNo
YesUnlimited AliasesNo
NoTTI No
NoSMTPYes
NoIMAPYes
NoPOP3Yes
NoAPINo
⚠️ Opt-inE2EE ⚠️ Supported if both sender and recipient are using OpenPGP
YesOpenPGP ⚠️ Supports OpenPGP, but does not support WKD
NoWKD No

Email Service Screenshots

Open-source

SimpleLogin

SimpleLogin is an open-source email service. Their website says: Receive and send emails anonymously

SimpleLogin is an open-source email service.
Photograph by Forward Email
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Closed-source

Startmail

Startmail is a closed-source email service. Their website says: Private email you can trust

Startmail is a closed-source email service.
Screenshot by Forward Email
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Compare SimpleLogin with 78 email services