How to Tell Which Mac Apps Are Optimized for Apple Silicon

This guide explains how to determine if an app is optimized for Apple Silicon in macOS using built-in tools, Terminal commands, and third-party utilities. Ensure your apps run efficiently on Apple Silicon.

Bertie Atkinson

Apple Silicon, Apple’s custom-designed system-on-a-chip (SoC) architecture, has revolutionized macOS performance by offering enhanced efficiency and speed. However, not all apps are optimized to take full advantage of this architecture.

Understanding Apple Silicon Optimization

Apple Silicon, starting with the M1 chip, uses an ARM-based architecture, which differs significantly from the Intel x86 architecture used in previous Macs. Apps optimized for Apple Silicon are compiled to run natively on ARM, ensuring better performance and energy efficiency. Non-optimized apps rely on Rosetta 2, a translation layer, which can result in slower performance and higher energy consumption.

To check whether an app is optimized for Apple Silicon, you can use built-in macOS tools and third-party utilities. These methods provide insights into the app’s architecture and compatibility with Apple Silicon.

Using System Information to Check App Optimization

macOS includes a built-in tool called System Information that provides detailed information about your Mac and the apps installed on it. Here’s how to use it:

  • Click the Apple menu in the top-left corner of your screen and select About This Mac.
  • Click System Report to open the System Information window.
  • In the left sidebar, navigate to Software > Applications.
  • Locate the app you want to check in the list. The Kind column will indicate whether the app is Universal (optimized for Apple Silicon) or Intel (requires Rosetta 2).

This method is straightforward and does not require any additional software. However, it only provides a high-level overview of app compatibility.

Using Terminal to Verify App Architecture

For a more technical approach, you can use the Terminal application to check the architecture of an app. Follow these steps:

  • Open Terminal from the Applications > Utilities folder.
  • Type the following command and press Enter: file /Applications/AppName.app/Contents/MacOS/AppName (replace AppName with the actual name of the app).
  • The output will indicate whether the app is ARM64 (optimized for Apple Silicon) or x86_64 (Intel-based).

This method provides precise information about the app’s architecture and is particularly useful for developers or advanced users.

Third-Party Tools for App Optimization Checks

Several third-party tools can simplify the process of checking app optimization for Apple Silicon. One popular option is Silicon Info, a lightweight utility that displays the architecture of all running apps. Here’s how to use it:

  • Download and install Silicon Info from the developer’s website.
  • Launch the app, and it will display a list of all running processes along with their architecture.
  • Look for the app you want to check. If it shows Apple Silicon, it is optimized; if it shows Intel, it is not.

Third-party tools like Silicon Info are user-friendly and provide real-time information, making them ideal for non-technical users.

Performance Checks for Apple Silicon Optimization

Beyond checking the app’s architecture, you can evaluate its performance to determine if it is optimized for Apple Silicon. Here are some indicators:

  • Launch Speed: Optimized apps typically launch faster on Apple Silicon compared to Intel-based apps running through Rosetta 2.
  • Energy Usage: Check the Energy tab in Activity Monitor. Optimized apps generally consume less energy.
  • System Responsiveness: Apps optimized for Apple Silicon tend to run more smoothly, with fewer lags or delays.

These performance checks can help you assess whether an app is fully leveraging the capabilities of Apple Silicon.

Ensuring Compatibility with macOS Updates

Apple frequently releases macOS updates that improve compatibility with Apple Silicon. To ensure your apps remain optimized:

  • Keep your macOS version up to date by enabling automatic updates or manually checking for updates in System Preferences.
  • Regularly update your apps to the latest versions, as developers often release optimizations for Apple Silicon.
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