Thunderbird alternative
A native Mac alternative to Thunderbird
Thunderbird is a free, open-source mail app from the Mozilla family, with calendar and contacts built in. Like Bloop.email, it keeps your messages on your device and connects straight to your provider. Bloop.email is built only for the Mac, and only for mail.
Bloop.email vs Thunderbird
| Feature | Bloop.email | Thunderbird |
|---|---|---|
| Price | $4.99 once | Free and open source, supported by donations |
| Platforms | Mac | Windows, Mac, Linux and Android |
| Calendar and contacts | Mail only | Included |
Based on public information as of October 2026. Sources: Thunderbird (Mozilla), Thunderbird privacy notice (Mozilla).
Which should you choose?
Choose Thunderbird if
You want a free, open-source app with calendar and contacts, or the same app on Windows, Linux and Android.
Choose Bloop.email if
You want a mail app built natively for the Mac, with ⌘1 to ⌘9 for each inbox and notifications from the notch.