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Threema

Threema AG · Threema Desktop Beta is an end-to-end encrypted messaging app with multi-device support for a mobile device and up to two computers.

CaskCommunicationApple silicon · Intel
Homepage
From homebrew/cask
30-day installs25#1271 in App
1-year installs435Last 365 days
Latest version2.0-beta66Sep 15 · Sep 15
Download size131MBarm64 / x86_64 · dmg
Release cadenceMonthly1 release in 30 days

Threema is a Communication app for Mac. It needs macOS 12 or later.

About

Threema Desktop Beta is the beta edition of Threema’s desktop messaging app. It provides end-to-end encrypted instant messaging and supports using a mobile device together with up to two computers through its multi-device functionality. The official download page describes the software as generally stable while still in development, so occasional issues may occur.

  • This Homebrew cask installs the macOS beta app as Threema Beta.app, selecting the Apple Silicon or Intel build for the host architecture.
  • The cask installs the macOS build for the host architecture; Windows and Linux releases are not installed by this cask.
  • The cask requires macOS 12 or later.

Install with brew install --cask threema@beta. After installation, open Threema Beta.app from Applications and follow Threema’s setup flow to use the desktop app with a mobile device.

Sources: Threema Desktop Beta · Homebrew cask

New What’s new in 2.0-beta66 Sep 15 · OpenNavo editorial

  • ChangesAdds protection against screenshots and Windows Recall recording.
See all 30 releases

Install and uninstall

Homebrew installs the app in your Applications folder.

Install without Homebrew

Download the file Homebrew uses for your chip: Apple siliconIntel

SHA-256 only checks that the download is complete; it is not a security certification. See the SHA-256 and download address

Uninstall command
$ brew uninstall --cask \threema@beta

A regular uninstall removes the app and keeps its settings and caches.

Deep clean (optional)
$ brew uninstall --zap --cask \threema@beta

--zap also deletes the settings, caches and other files listed in the Homebrew definition. They can include data shared with other apps and cannot be restored, and it does not guarantee that nothing is left.See which files are removed

Facts and sources

Version 2.0-beta66
Recorded by Homebrew on Sep 15Released by the vendor on Sep 15

Questions

Is Threema safe?

Threema is in Homebrew’s official catalog and has not been disabled. Since September 2026, Homebrew disables apps that fail macOS Gatekeeper checks. When installing, Homebrew checks the download from releases.threema.ch against its SHA-256 checksum. It was installed 25 times through Homebrew in the last 30 days.

How do I completely uninstall Threema on a Mac?

Run brew uninstall --cask threema@beta. To delete its settings and caches as well, run brew uninstall --zap --cask threema@beta. That also deletes 3 files and folders, including ~/Library/Application Support/ThreemaDesktop.

Does Threema run on Apple silicon (M1 and later) Macs?

Yes. Homebrew downloads separate builds for Apple silicon and Intel Macs. It needs macOS 12 or later.

Where does Threema store its settings and data?

Its settings are in ~/Library/Preferences/ch.threema.threema-desktop.plist. Its data is in ~/Library/Application Support/ThreemaDesktop. These locations come from Homebrew’s clean-up list.

What is the latest version of Threema?

The latest version is 2.0-beta66, added to Homebrew on Sep 15. Run brew upgrade --cask threema@beta to update it.