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StartMail alternatives · Email

StartMail alternatives with a Windows app

The StartMail listing does not include a Windows app. 30 of the 73 other email apps in this directory list a Windows app.

StartMail is a paid product with a free trial, starting at $4.99 per month, billed annually ($59.88). 19 of them are free or have a free plan.

30 tools · Listings checked up to Nov 12, 2026 · Where the facts come from

The 12 closest to StartMail

  1. 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. StartMail starts at $4.99 per month, billed annually ($59.88).
    • Proton Mail has a free plan. StartMail does not, though it has a free trial.
    • Only Proton Mail lists macOS, Windows, Linux and iOS apps.
    • Proton Mail is open source and end-to-end encrypted, according to its own site.
    Proton Mail vs StartMailProton Mail pricing and details

  2. Tuta Mail

    End-to-end encrypted email and calendar from Germany

    • Tuta Mail starts at €3 per month, paid yearly (lowest paid personal plan). StartMail starts at $4.99 per month, billed annually ($59.88).
    • Tuta Mail has a free plan. StartMail does not, though it has a free trial.
    • Only Tuta Mail lists Windows, macOS, Linux and iOS apps.
    • Tuta Mail is open source and end-to-end encrypted, according to its own site.
    Tuta Mail vs StartMailTuta Mail pricing and details

  3. 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. StartMail starts at $4.99 per month, billed annually ($59.88).
    • Only Fastmail lists Windows, macOS, Linux and iOS apps.
    • Fastmail also covers calendar.
    • StartMail also covers inbox filtering.
    Fastmail vs StartMailFastmail pricing and details

  4. 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). StartMail starts at $4.99 per month, billed annually ($59.88).
    • Microsoft Outlook has a free plan. StartMail does not, though it has a free trial.
    • Only Microsoft Outlook lists Windows, macOS and iOS apps.
    • Microsoft Outlook also covers tasks and calendar.
    Microsoft Outlook pricing and details

  5. 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). StartMail starts at $4.99 per month, billed annually ($59.88).
    • BlueMail has a free plan. StartMail does not, though it has a free trial.
    • Only BlueMail lists iOS, macOS, Windows and Linux apps.
    • Only StartMail lists a web app.
    BlueMail pricing and details

  6. Edison Mail

    Free multi-account email app with one-tap unsubscribe

    • Edison Mail starts at $14.99 per month, or $99.99 per year (Edison Mail+). StartMail starts at $4.99 per month, billed annually ($59.88).
    • Edison Mail has a free plan. StartMail does not, though it has a free trial.
    • Only Edison Mail lists iOS and Windows apps.
    • Only StartMail lists a web app.
    Edison Mail pricing and details

  7. Kiwi for Gmail

    Desktop app that runs Gmail and Google Workspace outside the browser

    • Kiwi for Gmail starts at $4 per month (Starter; monthly or annual billing basis not confirmed). StartMail starts at $4.99 per month, billed annually ($59.88).
    • Only Kiwi for Gmail lists macOS and Windows apps.
    • Only StartMail lists a web app.
    • Only StartMail lists an Android app.
    Kiwi for Gmail pricing and details

  8. Inbox Zero

    Open source AI email assistant for Gmail and Outlook

    • Inbox Zero starts at $18 per user / month, billed annually ($20 billed monthly). StartMail starts at $4.99 per month, billed annually ($59.88).
    • Only Inbox Zero lists macOS, Windows and iOS apps.
    • Only Inbox Zero lists a browser extension.
    • Inbox Zero is open source and self-hostable, according to its own site.
    Inbox Zero pricing and details

  9. Claws Mail

    Lightweight GTK email and news client, free under the GPL

    • Claws Mail is free. StartMail starts at $4.99 per month, billed annually ($59.88).
    • Claws Mail has a free plan. StartMail does not, though it has a free trial.
    • Only Claws Mail lists Linux and Windows apps.
    • Only StartMail lists a web app.
    Claws Mail pricing and details

  10. 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). StartMail starts at $4.99 per month, billed annually ($59.88).
    • Only Superhuman Mail lists macOS, Windows and iOS apps.
    • Only Superhuman Mail lists a browser extension.
    • Superhuman Mail also covers calendar and booking links.
    Superhuman Mail pricing and details

  11. 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). StartMail starts at $4.99 per month, billed annually ($59.88).
    • Spark Mail has a free plan. StartMail does not, though it has a free trial.
    • Only Spark Mail lists macOS, Windows and iOS apps.
    • Only StartMail lists a web app.
    Spark Mail pricing and details

  12. Shortwave

    AI email client for Gmail with an assistant, filters and split inbox

    • Shortwave starts at $18 per seat / month (Pro, the individual plan). StartMail starts at $4.99 per month, billed annually ($59.88).
    • Shortwave has a free plan. StartMail does not, though it has a free trial.
    • Only Shortwave lists macOS, Windows and iOS apps.
    • Shortwave also covers chat assistant, AI search and templates.
    Shortwave pricing and details

18 more that list a Windows app

All 30 in one table

Common questions

Which StartMail alternatives have a Windows app?

Proton Mail, Tuta Mail, Fastmail, Microsoft Outlook, BlueMail, Edison Mail, Kiwi for Gmail, Inbox Zero and 22 more list a Windows app.

Does StartMail have a Windows app?

The StartMail listing does not include a Windows app. It lists Web and Android.

Which of these email apps are free?

Proton Mail, Tuta Mail, Microsoft Outlook, BlueMail, Edison Mail, Claws Mail, Spark Mail, Shortwave and 11 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 12, 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 StartMail: the alternatives its listing names first, then the tools that share the most features with it.