Reeva vs Proton Mail
Proton Mail popularized end-to-end encrypted email for consumers. Reeva takes a different bet: build a privacy-respecting service on open standards — JMAP, IMAP, SMTP, CalDAV — so any client works natively and your data never gets trapped. Here is how the two compare.
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| Feature | Reeva | Proton Mail |
|---|---|---|
| Custom domain (paid) | ||
| JMAP native protocol — Proton uses a proprietary API; IMAP/SMTP via Bridge | — | |
| IMAP / SMTP without an extra bridge app | — | |
| Encryption in transit (TLS) | ||
| Encryption at rest | ||
| End-to-end encryption for messages between users on the platform | TLS + at-rest | E2EE |
| Encrypted calendar | ||
| Password vault | ||
| File cloud bundled with mail | ||
| Open-source mail server (Stalwart) | — | |
| Free plan | ||
| Web app | ||
| Desktop & mobile apps |
When Reeva is the better fit
- You want first-class IMAP / JMAP / SMTP without a bridge app.
- You prefer an open-source mail engine you can audit (Stalwart).
- You want a unified subscription for mail, calendar and cloud at lower entry prices.
When Proton is the better fit
- End-to-end encrypted messaging between accounts is a hard requirement.
- You want a long-established Swiss provider with a large user base.
Information about Proton Mail reflects publicly documented features at time of writing. See Proton's website for current details. We do our best to keep this comparison accurate — tell us if we got something wrong.
Reeva is an independent product and is not affiliated with, endorsed by, or sponsored by any third party mentioned on this page. All product names, logos, and brands are the property of their respective owners and are used here only for identification and comparison.
Proton → Reeva: frequently asked questions
Why choose Reeva over Proton Mail?
Proton Mail is built around end-to-end encryption inside its own apps, which means desktop clients need the Proton Bridge app and standard mobile clients are not supported. Reeva speaks JMAP, IMAP and SMTP natively, so Thunderbird, Apple Mail and other standards-compliant clients work out of the box — and one account bundles encrypted mail, calendar, contacts, password vault and file cloud.
Can I migrate from Proton Mail to Reeva?
Yes. Use Proton's export tools or the Proton Bridge with an IMAP copy tool (or Thunderbird) to move your messages into Reeva over IMAP. Export calendars as iCal and contacts as vCard, then import them via CalDAV / CardDAV.
Is Reeva end-to-end encrypted like Proton Mail?
No — and that is a deliberate trade-off. Proton encrypts messages end-to-end between Proton users, but that design blocks standard protocols. Reeva encrypts in transit (TLS) and at rest on an open-source server, keeping full compatibility with JMAP / IMAP / SMTP clients. If strict E2EE between accounts matters most, Proton is a fair choice; if open standards and client freedom matter most, Reeva is.
Is Reeva cheaper than Proton Mail?
Reeva paid plans start at $0.79 / month billed yearly and include mail, calendar, contacts, password vault and file cloud. Proton's comparable bundles are typically priced higher — check current pricing on both sites before deciding.