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ImprovMX alternatives · Email

ImprovMX alternatives with a Windows app

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

ImprovMX has a free plan. Paid plans start at $50 per year (Light, up to 5 domains). 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 ImprovMX

  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). ImprovMX starts at $50 per year (Light, up to 5 domains).
    • Only Zoho Mail lists macOS, Windows, Linux, iOS and Android apps.
    • Zoho Mail also covers tasks, calendar and email client.
    • ImprovMX also covers inbox filtering and transactional email.
    Zoho Mail vs ImprovMXZoho Mail pricing and details

  2. 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. ImprovMX starts at $50 per year (Light, up to 5 domains).
    • ImprovMX has a free plan. Fastmail does not, though it has a free trial.
    • Only Fastmail lists Windows, macOS, Linux, iOS and Android apps.
    • Fastmail also covers calendar and email client.
    Fastmail vs ImprovMXFastmail pricing and details

  3. Missive

    Team email client with shared inboxes, internal chat and rules

    • Missive starts at $14 per user / month, billed yearly ($18 billed monthly). ImprovMX starts at $50 per year (Light, up to 5 domains).
    • ImprovMX has a free plan. Missive does not, though it has a free trial.
    • Only Missive lists macOS, Windows, iOS and Android apps.
    • Missive also covers tasks, email client, shared inbox and workflow automation.
    Missive pricing and details

  4. Front

    Shared inbox and customer operations platform with AI and ticketing

    • Front starts at $25 per seat / month, billed annually. ImprovMX starts at $50 per year (Light, up to 5 domains).
    • ImprovMX has a free plan. Front does not, though it has a free trial.
    • Only Front lists macOS, Windows, iOS and Android apps.
    • Front also covers shared inbox and workflow automation.
    Front pricing and details

  5. 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). ImprovMX starts at $50 per year (Light, up to 5 domains).
    • Only Microsoft Outlook lists Windows, macOS, iOS and Android apps.
    • Microsoft Outlook also covers tasks, calendar and email client.
    • ImprovMX also covers transactional email.
    Microsoft Outlook pricing and details

  6. 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). ImprovMX starts at $50 per year (Light, up to 5 domains).
    • Only BlueMail lists iOS, Android, macOS, Windows and Linux apps.
    • Only ImprovMX lists a web app.
    • BlueMail is end-to-end encrypted, according to its own site.
    BlueMail pricing and details

  7. 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+). ImprovMX starts at $50 per year (Light, up to 5 domains).
    • Only Edison Mail lists iOS, Android and Windows apps.
    • Only ImprovMX lists a web app.
    • Edison Mail also covers email client.
    Edison Mail pricing and details

  8. Drag

    Shared inbox for Gmail teams with kanban boards and built-in AI

    • Drag starts at $12 per user / month, billed yearly. ImprovMX starts at $50 per year (Light, up to 5 domains).
    • ImprovMX has a free plan. Drag does not, though it has a free trial.
    • Only Drag lists macOS, Windows, iOS and Android apps.
    • Only Drag lists a browser extension.
    Drag pricing and details

  9. 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). ImprovMX starts at $50 per year (Light, up to 5 domains).
    • ImprovMX has a free plan. Kiwi for Gmail does not, though it has a free trial.
    • Only Kiwi for Gmail lists macOS and Windows apps.
    • Only ImprovMX lists a web app.
    Kiwi for Gmail pricing and details

  10. Inbox Zero

    Open source AI email assistant for Gmail and Outlook

    • Inbox Zero starts at $18 per user / month, billed annually ($20 billed monthly). ImprovMX starts at $50 per year (Light, up to 5 domains).
    • ImprovMX has a free plan. Inbox Zero does not, though it has a free trial.
    • Only Inbox Zero lists macOS, Windows, iOS and Android apps.
    • Only Inbox Zero lists a browser extension.
    Inbox Zero pricing and details

  11. Claws Mail

    Lightweight GTK email and news client, free under the GPL

    • Claws Mail is free. ImprovMX starts at $50 per year (Light, up to 5 domains).
    • Only Claws Mail lists Linux and Windows apps.
    • Only ImprovMX lists a web app.
    • Claws Mail is open source, according to its own site.
    Claws Mail pricing and details

  12. Sylpheed

    Lightweight desktop email client built on GTK+

    • Sylpheed is free. ImprovMX starts at $50 per year (Light, up to 5 domains).
    • Only Sylpheed lists Windows, macOS and Linux apps.
    • Only ImprovMX lists a web app.
    • Sylpheed is open source, according to its own site.
    Sylpheed pricing and details

27 more that list a Windows app

All 39 in one table

Common questions

Which ImprovMX alternatives have a Windows app?

Zoho Mail, Fastmail, Missive, Front, Microsoft Outlook, BlueMail, Edison Mail, Drag and 31 more list a Windows app.

Does ImprovMX have a Windows app?

The ImprovMX listing does not include a Windows app. It lists Web.

Which of these email apps are free?

Zoho Mail, Microsoft Outlook, BlueMail, Edison Mail, Claws Mail, Sylpheed, Spark Mail, Shortwave 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 ImprovMX: the alternatives its listing names first, then the tools that share the most features with it.