Skip to content
ToolGPA

Fastmail alternatives · Email

Alternatives to Fastmail with a one-time purchase

The Fastmail listing shows no one-time purchase. 5 of the 51 other email apps in this directory can be bought with a one-time purchase.

Fastmail is a paid product with a free trial, starting at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly. All of them are free or have a free plan.

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

How each one differs from Fastmail

  1. 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. Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
    • Canary Mail has a free plan. Fastmail does not, though it has a free trial.
    • Only Fastmail lists a web app.
    • Only Fastmail lists a Linux app.
    Canary Mail pricing and details

  2. eM Client

    Desktop email client for Windows and Mac with calendar and chat

    • eM Client starts at $39.95 per year (Personal subscription, up to 3 devices). Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
    • eM Client has a free plan. Fastmail does not, though it has a free trial.
    • Only Fastmail lists a web app.
    • Only Fastmail lists a Linux app.
    eM Client pricing and details

  3. FairEmail

    Open source, privacy-oriented email client for Android

    • FairEmail starts at $7.49 one-time (pro features, US Google Play in-app purchase). Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
    • FairEmail has a free plan. Fastmail does not, though it has a free trial.
    • Only Fastmail lists a web app.
    • Only Fastmail lists Windows, macOS, Linux and iOS apps.
    FairEmail pricing and details

  4. 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). Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
    • Mailbird has a free plan. Fastmail does not, though it has a free trial.
    • Only Fastmail lists a web app.
    • Only Fastmail lists Linux, iOS and Android apps.
    Mailbird pricing and details

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

Common questions

Is there an alternative to Fastmail that you buy once?

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

Can you buy Fastmail once instead of subscribing?

The Fastmail listing shows no one-time purchase. The listing was checked on Oct 5, 2026 against the pages it cites.

When was this checked?

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