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Claws Mail alternatives · Email

Alternatives to Claws Mail with a one-time purchase

The Claws Mail listing shows no one-time purchase. 7 of the 125 other email apps in this directory can be bought with a one-time purchase.

Claws Mail is free to use. 6 of them are free or have a free plan.

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

How each one differs from Claws Mail

  1. Airmail

    Customizable email client for iPhone, iPad and Mac

    • Airmail starts at $7.99 per month, or $39.99 per year (US App Store in-app prices). Claws Mail is free.
    • Only Airmail lists macOS and iOS apps.
    • Only Claws Mail lists Linux and Windows apps.
    • Airmail can be bought with a one-time purchase.
    Airmail pricing and details

  2. FairEmail

    Open source, privacy-oriented email client for Android

    • FairEmail starts at $7.49 one-time (pro features, US Google Play in-app purchase). Claws Mail is free.
    • Only FairEmail lists an Android app.
    • Only Claws Mail lists Linux and Windows apps.
    • FairEmail is end-to-end encrypted, according to its own site.
    FairEmail pricing and details

  3. 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. Claws Mail is free.
    • Only Canary Mail lists macOS, iOS and Android apps.
    • Only Claws Mail lists a Linux app.
    • Canary Mail is end-to-end encrypted, according to its own site.
    Canary Mail pricing and details

  4. eM Client

    Desktop email client for Windows and Mac with calendar and chat

    • eM Client starts at $49.95 per year (Personal subscription, up to 3 devices). Claws Mail is free.
    • Only eM Client lists macOS, iOS and Android apps.
    • Only Claws Mail lists a Linux app.
    • eM Client can be bought with a one-time purchase.
    eM Client pricing and details

  5. Mailbird

    Desktop email client for Windows and Mac with a unified inbox

    • Mailbird starts at $34.49 per year (Premium Yearly Plan, US Mac App Store in-app price). Claws Mail is free.
    • Only Mailbird lists a macOS app.
    • Only Claws Mail lists a Linux app.
    • Mailbird can be bought with a one-time purchase.
    Mailbird pricing and details

  6. Aqua Mail

    Email app for Android and iOS that handles many accounts at once

    • Aqua Mail starts at $9.99 per month (Premium). Claws Mail is free.
    • Only Aqua Mail lists iOS and Android apps.
    • Only Claws Mail lists Linux and Windows apps.
    • Aqua Mail can be bought with a one-time purchase.
    Aqua Mail pricing and details

  7. Nine

    Exchange ActiveSync email, calendar and tasks app for phones

    • Nine starts at $14.99 one-time license. Claws Mail is free.
    • Claws Mail has a free plan. Nine does not, though it has a free trial.
    • Only Nine lists Android and iOS apps.
    • Only Claws Mail lists Linux and Windows apps.
    Nine pricing and details

Common questions

Is there an alternative to Claws Mail that you buy once?

Yes. Airmail, FairEmail, Canary Mail, eM Client, Mailbird, Aqua Mail and Nine can be bought with a one-time purchase.

Can you buy Claws Mail once instead of subscribing?

The Claws Mail listing shows no one-time purchase. The listing was checked on Nov 12, 2026 against the pages it cites.

Which of these email apps are free?

Airmail, FairEmail, Canary Mail, eM Client, Mailbird and Aqua Mail are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 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 Claws Mail: the alternatives its listing names first, then the tools that share the most features with it.