Proton Mail vs Heimdal Comparison (2024)
What are the differences between Proton Mail and Heimdal?
Written by
Forward Email Team
Published
12/1/24
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to Proton Mail.
Email Service Comparison
20 facts in comparisonProton Mail | vs. | Heimdal |
---|---|---|
Proton Mail"Secure email that protects your privacy" | vs. | Heimdal"One Platform. Total Security." |
$3.99/mo | Pricing | Requires you to talk to a sales team |
15 GB | Storage | Requires 3rd party |
25 MB | Attachments | Unknown |
❌ Proton Mail claims to be open-source, but their back-end actually is closed source | Open-Source | No |
No | Sandboxed Encryption | No |
No | Unlimited Domains | No |
No | Unlimited Aliases | No |
No | TTI | No |
❌ Requires you to download Proton Mail Bridge and forces vendor lock-in | SMTP | ❌ Requires 3rd party |
❌ Requires you to download Proton Mail Bridge and forces vendor lock-in | IMAP | ❌ Requires 3rd party |
❌ Proton Mail does not support POP3 | POP3 | ❌ Requires 3rd party |
No | API | Yes |
⚠️ Proton Mail rewrites your emails | E2EE | No |
Yes | OpenPGP | No |
Yes | WKD | No |
Email Service Screenshots
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