Yes, Duet is completely free to use.

How do I uninstall Duet?

Open Terminal and run `brew uninstall --cask duet`. Homebrew will remove Duet and all associated files cleanly. You can verify it was removed by running `brew list`.

What are alternatives to Duet?

There are several system utilities apps available for macOS. Browse the System Utilities category on Bundl.run to compare features, popularity, and install counts for similar tools.

How do I update Duet to the latest version?

Run `brew upgrade --cask duet` in Terminal to update to the latest version. You can also run `brew outdated` to check if an update is available.

Does Duet work on Apple Silicon (M1/M2/M3/M4)?

Yes, Duet can be installed on both Apple Silicon and Intel Macs via Homebrew. Homebrew automatically handles the correct version for your hardware.

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Duet

Name: Duet
Availability: InStock

Remote desktop and second display tool

System UtilitiesFree

v3.20.3.0

Install with Homebrew

brew install --cask duet

How to Install Duet on Mac

Follow these steps to install Duet using Homebrew, the most popular package manager for macOS. This works on both Apple Silicon (M1/M2/M3/M4) and Intel Macs.

1
Open Terminal
Launch Terminal from your Applications > Utilities folder, or press Cmd + Space and type "Terminal".
2
Install Homebrew
If you don't have Homebrew yet, paste the install script from brew.sh into Terminal and follow the prompts.
3
Run brew install --cask duet
Paste the following command into Terminal and press Enter:
brew install --cask duet
4
Verify Installation
Run `brew list` to confirm duet is installed, then try `duet --version` to check the version number.
5
Launch Duet
Run `duet` in your Terminal to start using it.

Troubleshooting

• If you see a permission error, try prefixing the command with sudo.
• If Homebrew can't find the package, run brew update first to refresh the package list.
• On Apple Silicon Macs, make sure Homebrew is installed at /opt/homebrew (the default for M-series chips).

What is Duet?

Remote desktop and second display tool

Key Features

Easy installation via Homebrew

Regular updates and maintenance

Free to use

Professional support available

Pros

✓Simple one-command installation
✓Well-maintained and regularly updated
✓Completely free to use

Cons

✗Requires Homebrew to be installed
✗macOS only

Frequently Asked Questions about Duet

Open Terminal, install Homebrew if you haven't already (visit brew.sh), then run `brew install --cask duet`. The app will be downloaded and installed automatically. You can then run `duet` from Terminal.

About the Author

Jordan Kim

Productivity & Workflow Analyst

Productivity ApplicationsNote-Taking & Knowledge ManagementTask & Project Management

8+ years in operations management · PMP certified

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Duet

Remote desktop and second display tool

System UtilitiesFree

v3.20.3.0

Install with Homebrew

brew install --cask duet

How to Install Duet on Mac

Follow these steps to install Duet using Homebrew, the most popular package manager for macOS. This works on both Apple Silicon (M1/M2/M3/M4) and Intel Macs.

1
Open Terminal
Launch Terminal from your Applications > Utilities folder, or press Cmd + Space and type "Terminal".
2
Install Homebrew
If you don't have Homebrew yet, paste the install script from brew.sh into Terminal and follow the prompts.
3
Run brew install --cask duet
Paste the following command into Terminal and press Enter:
brew install --cask duet
4
Verify Installation
Run `brew list` to confirm duet is installed, then try `duet --version` to check the version number.
5
Launch Duet
Run `duet` in your Terminal to start using it.

Troubleshooting

• If you see a permission error, try prefixing the command with sudo.
• If Homebrew can't find the package, run brew update first to refresh the package list.
• On Apple Silicon Macs, make sure Homebrew is installed at /opt/homebrew (the default for M-series chips).