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Spark Mail alternatives · Email

End-to-end encrypted alternatives to Spark Mail

The Spark Mail listing does not describe it as end-to-end encrypted. 8 of the 51 other email apps in this directory are end-to-end encrypted, according to their own sites.

Spark Mail has a free plan. Paid plans start at $8.25 per user / month, billed annually ($99 / year). 6 of them are free or have a free plan.

8 tools · Listings checked up to Oct 9, 2026 · Where the facts come from

How each one differs from Spark Mail

  1. BlueMail

    Cross-platform email client with a unified inbox and built-in AI

    • BlueMail starts at $35.99 per year (Plus, shown as $3 per month billed annually). Spark Mail starts at $8.25 per user / month, billed annually ($99 / year).
    • Only BlueMail lists a Linux app.
    • BlueMail is end-to-end encrypted, according to its own site.
    • BlueMail also covers inbox filtering.
    BlueMail vs Spark MailBlueMail pricing and details

  2. Canary Mail

    AI email client with PGP encryption for Mac, iOS, Windows, Android

    • Canary Mail starts at $36 per year (Growth), shown as $3 per month billed yearly. Spark Mail starts at $8.25 per user / month, billed annually ($99 / year).
    • Canary Mail is end-to-end encrypted, according to its own site.
    • Canary Mail can be bought with a one-time purchase.
    • Spark Mail also covers meeting notes and shared inbox.
    Canary Mail vs Spark MailCanary Mail pricing and details

  3. Proton Mail

    End-to-end encrypted email service based in Switzerland

    • Proton Mail starts at $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly. Spark Mail starts at $8.25 per user / month, billed annually ($99 / year).
    • Only Proton Mail lists a web app.
    • Only Proton Mail lists a Linux app.
    • Proton Mail is open source and end-to-end encrypted, according to its own site.
    Proton Mail pricing and details

  4. Tuta Mail

    End-to-end encrypted email and calendar from Germany

    • Tuta Mail starts at €3 per month, paid yearly (lowest paid personal plan). Spark Mail starts at $8.25 per user / month, billed annually ($99 / year).
    • Only Tuta Mail lists a web app.
    • Only Tuta Mail lists a Linux app.
    • Tuta Mail is open source and end-to-end encrypted, according to its own site.
    Tuta Mail pricing and details

  5. mailbox

    Paid, ad-free email with cloud storage and office tools from Germany

    • mailbox starts at €1 per month, annual payment only (€12 a year, Light). Spark Mail starts at $8.25 per user / month, billed annually ($99 / year).
    • Spark Mail has a free plan. mailbox does not, though it has a free trial.
    • Only mailbox lists a web app.
    • Only Spark Mail lists macOS, Windows, iOS and Android apps.
    mailbox pricing and details

  6. Posteo

    Ad-free, green-powered email from Berlin for €1 a month

    • Posteo starts at €1 per month, prepaid (minimum top-up €12). Spark Mail starts at $8.25 per user / month, billed annually ($99 / year).
    • Spark Mail has a free plan. Posteo does not.
    • Only Posteo lists a web app.
    • Only Spark Mail lists macOS, Windows, iOS and Android apps.
    Posteo pricing and details

  7. Mailfence

    Private email from Belgium with built-in OpenPGP encryption

    • Mailfence starts at €2.50 per month, billed yearly (Base). Spark Mail starts at $8.25 per user / month, billed annually ($99 / year).
    • Only Mailfence lists a web app.
    • Only Spark Mail lists macOS and Windows apps.
    • Mailfence is end-to-end encrypted, according to its own site.
    Mailfence pricing and details

  8. FairEmail

    Open source, privacy-oriented email client for Android

    • FairEmail starts at $7.49 one-time (pro features, US Google Play in-app purchase). Spark Mail starts at $8.25 per user / month, billed annually ($99 / year).
    • Only Spark Mail lists macOS, Windows and iOS apps.
    • FairEmail is open source and end-to-end encrypted, according to its own site.
    • FairEmail can be bought with a one-time purchase.
    FairEmail pricing and details

Common questions

Is there an end-to-end encrypted alternative to Spark Mail?

Yes. BlueMail, Canary Mail, Proton Mail, Tuta Mail, mailbox, Posteo, Mailfence and FairEmail are end-to-end encrypted, according to their own sites.

Is Spark Mail end-to-end encrypted?

The Spark Mail listing does not describe it as end-to-end encrypted. The listing was checked on Oct 4, 2026 against the pages it cites.

Which of these email apps are free?

BlueMail, Canary Mail, Proton Mail, Tuta Mail, Mailfence and FairEmail are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 4, 2026 to Oct 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Spark Mail: the alternatives its listing names first, then the tools that share the most features with it.