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Silicon Info

About

Silicon Info is a tiny menu bar application allows the user to quickly view the architecture of the currently running application.

Useful for quickly determining if an application is running natively on Apple Silicon or running via Rosetta 2.

Update: Now on the Mac App Store

ARM

Installation

Download from Mac App Store

App store link

Download from Homebrew

brew install --cask silicon-info

Download release from Github

Download zip from repo
Move .app file to Applications folder
Open application
If “Silicon Info.app can’t be opened because Apple cannot check it for malicious software" appears, open Systems Preferences to the Security and Privacy window.
Select "Open Anyway"

Screenshots

Indicator icon in status bar

<img src='images/indicator-icon.png' width='500px' alt='Indicator-icon'/>

Example of a native ARM application

ARM

Example of an application running using Rosetta

x86