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GMX Mail alternatives · Email

GMX Mail alternatives with a Windows app

The GMX Mail listing does not include a Windows app. 39 of the 125 other email apps in this directory list a Windows app.

GMX Mail is free to use. 25 of them are free or have a free plan.

39 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

The 12 closest to GMX Mail

  1. Zoho Mail

    Ad-free business email hosting with calendar, tasks and notes

    • Zoho Mail starts at $1 per user / month, billed annually (Mail Lite, 5 GB). GMX Mail is free.
    • Only Zoho Mail lists macOS, Windows and Linux apps.
    • Only GMX Mail lists a browser extension.
    • Zoho Mail also covers tasks.
    Zoho Mail vs GMX MailZoho Mail pricing and details

  2. 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. GMX Mail is free.
    • Only Proton Mail lists macOS, Windows and Linux apps.
    • Only GMX Mail lists a browser extension.
    • Proton Mail is open source and end-to-end encrypted, according to its own site.
    Proton Mail vs GMX MailProton Mail pricing and details

  3. Microsoft Outlook

    Microsoft's email and calendar app for desktop, mobile and web

    • Microsoft Outlook starts at $1.99 per month, or $19.99 per year (Microsoft 365 Basic). GMX Mail is free.
    • Only Microsoft Outlook lists Windows and macOS apps.
    • Only GMX Mail lists a browser extension.
    • Microsoft Outlook also covers tasks.
    Microsoft Outlook pricing and details

  4. 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). GMX Mail is free.
    • Only BlueMail lists macOS, Windows and Linux apps.
    • Only GMX Mail lists a web app.
    • Only GMX Mail lists a browser extension.
    BlueMail pricing and details

  5. Superhuman Mail

    Keyboard-driven email client for Gmail and Outlook with built-in AI

    • Superhuman Mail starts at $25 per member / month, billed annually ($30 billed monthly). GMX Mail is free.
    • GMX Mail has a free plan. Superhuman Mail does not.
    • Only Superhuman Mail lists macOS and Windows apps.
    • Superhuman Mail also covers booking links.
    Superhuman Mail pricing and details

  6. Spark Mail

    Email client with a unified smart inbox, AI tools and team features

    • Spark Mail starts at $8.25 per user / month, billed annually ($99 / year). GMX Mail is free.
    • Only Spark Mail lists macOS and Windows apps.
    • Only GMX Mail lists a web app.
    • Only GMX Mail lists a browser extension.
    Spark Mail pricing and details

  7. HEY

    Email service and calendar with sender screening, from 37signals

    • HEY starts at $99 per year (HEY for You, annual billing only). GMX Mail is free.
    • GMX Mail has a free plan. HEY does not, though it has a free trial.
    • Only HEY lists macOS, Windows and Linux apps.
    • Only GMX Mail lists a browser extension.
    HEY pricing and details

  8. Thunderbird

    Free, open-source email app for Windows, macOS, Linux and Android

    • Thunderbird is free. GMX Mail is free.
    • Only Thunderbird lists Windows, macOS and Linux apps.
    • Only GMX Mail lists a web app.
    • Only GMX Mail lists an iOS app.
    Thunderbird pricing and details

  9. Fastmail

    Paid, ad-free email with calendar, contacts and custom domains

    • Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly. GMX Mail is free.
    • GMX Mail has a free plan. Fastmail does not, though it has a free trial.
    • Only Fastmail lists Windows, macOS and Linux apps.
    • Only GMX Mail lists a browser extension.
    Fastmail pricing and details

  10. Tuta Mail

    End-to-end encrypted email and calendar from Germany

    • Tuta Mail starts at €3 per month, paid yearly (lowest paid personal plan). GMX Mail is free.
    • Only Tuta Mail lists Windows, macOS and Linux apps.
    • Only GMX Mail lists a browser extension.
    • Tuta Mail is open source and end-to-end encrypted, according to its own site.
    Tuta Mail pricing and details

  11. 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. GMX Mail is free.
    • Only Canary Mail lists macOS and Windows apps.
    • Only GMX Mail lists a web app.
    • Only GMX Mail lists a browser extension.
    Canary Mail pricing and details

  12. Spike

    Chat-style email app with team chat, notes, tasks and video calls

    • Spike starts at $4 per member / month, billed annually (Teamspace Team); Email App Pro is $6. GMX Mail is free.
    • Only Spike lists macOS and Windows apps.
    • Only GMX Mail lists a browser extension.
    • Spike also covers tasks, shared inbox, team chat and video calls.
    Spike pricing and details

27 more that list a Windows app

All 39 in one table

Common questions

Which GMX Mail alternatives have a Windows app?

Zoho Mail, Proton Mail, Microsoft Outlook, BlueMail, Superhuman Mail, Spark Mail, HEY, Thunderbird and 31 more list a Windows app.

Does GMX Mail have a Windows app?

The GMX Mail listing does not include a Windows app. It lists Web, iOS, Android and Browser extension.

Which of these email apps are free?

Zoho Mail, Proton Mail, Microsoft Outlook, BlueMail, Spark Mail, Thunderbird, Tuta Mail, Canary Mail and 17 more 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 Nov 13, 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 GMX Mail: the alternatives its listing names first, then the tools that share the most features with it.