Vade Secure vs Startmail Comparison (2025)

What are the differences between Vade Secure and Startmail?

Written by

Forward Email Team

Published

7/1/25

Time to read

Less than 5 minutes

We recommend Forward Email as the best alternative to Vade Secure.

Email Service Comparison

20 facts in comparison

Vade Secure	vs.	Startmail
Vade Secure "Simple, Sophisticated Email Security Powered by AI" Website	vs.	Startmail "Private email you can trust" Website
Requires you to talk to a sales team	Pricing	$7/mo
Requires 3rd party	Storage	20 GB
50 MB	Attachments	25 MB
No	Open-Source	No
No	Sandboxed Encryption	❌ Startmail claims to use a User Vault, but this statement has not been audited and their source code is closed-source
No	Unlimited Domains	No
No	Unlimited Aliases	No
No	TTI	No
❌ Requires 3rd party	SMTP	Yes
❌ Requires 3rd party	IMAP	Yes
❌ Requires 3rd party	POP3	Yes
Yes	API	No
No	E2EE	⚠️ Supported if both sender and recipient are using OpenPGP
No	OpenPGP	⚠️ Supports OpenPGP, but does not support WKD
No	WKD	No

Email Service Screenshots

Closed-source

Vade Secure

Vade Secure is a closed-source email service. Their website says: Simple, Sophisticated Email Security Powered by AI

Vade Secure is a closed-source email service.

Photo by Forward Email

Closed-source

Startmail

Startmail is a closed-source email service. Its description from its website is: Private email you can trust

Startmail is a closed-source email service.

Photograph by Forward Email

Compare Vade Secure with 78 email services