Startmail vs SimpleLogin Comparison (2026)

What are the differences between Startmail and SimpleLogin?

Forward Email Team
Written by
Forward Email TeamVerified
Published
1/1/26
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to Startmail.

Email Service Comparison

20 facts in comparison
Startmailvs.SimpleLogin

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
vs.

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
$7/moPricing$4/mo
20 GBStorageNo SimpleLogin does not support storage
25 MBAttachments25 MB
NoOpen-SourceYes
❌ Startmail claims to use a User Vault, but this statement has not been audited and their source code is closed-sourceSandboxed Encryption No
NoUnlimited DomainsYes
NoUnlimited AliasesYes
NoTTI No
YesSMTPNo
YesIMAPNo
YesPOP3No
NoAPINo
⚠️ Supported if both sender and recipient are using OpenPGPE2EE ⚠️ Opt-in
⚠️ Supports OpenPGP, but does not support WKDOpenPGP Yes
NoWKD No

Email Service Screenshots

Closed-source

Startmail

Startmail is a closed-source email service. According to their website: Private email you can trust

Startmail is a closed-source email service.
Screenshot by Forward Email
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Open-source

SimpleLogin

SimpleLogin is an open-source email service. According to their website: Receive and send emails anonymously

SimpleLogin is an open-source email service.
Photo by Forward Email
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Compare Startmail with 78 email services