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OpenDisplay vs Lunar

Side-by-side comparison for macOS

OpenDisplay

7.0
Utilities

Second-display utility for iPhone and iPad over USB and Wi-Fi

Lunar

8.0
Utilities

Adaptive brightness for external displays

Metric OpenDisplay Lunar
Category Utilities Utilities
AI Score 7.0 8.0
30-day Installs 125 737
90-day Installs 261 2.3K
365-day Installs 261 10.8K
Version 1.17.0 6.11.0
Auto-updates Yes Yes
Deprecated No No
GitHub Stars 1.7K 5.5K
GitHub Forks 120 134
Open Issues 83 5
License GPL-3.0 MIT
Language Swift Swift
Last GitHub Commit 1mo ago 5mo ago
First Seen Jul 21, 2026 Aug 9, 2023

Reviews

OpenDisplay

OpenDisplay is an open-source alternative to Sidecar and Duet, allowing users to connect their iPhone or iPad as a second display for their Mac via USB or Wi-Fi. It supports low-latency H.264 video, Retina HiDPI, and touch input, making it ideal for users who want a versatile and customizable second-screen experience.

Enables iPhone and iPad to function as a second display for Mac over USB or Wi-Fi.

Pros

  • + Open-source and free to use.
  • + Supports both USB and Wi-Fi connections.
  • + Low-latency performance and Retina HiDPI support.
  • + Regular updates and active development.

Cons

  • - Limited community discussion and user feedback.
  • - Some unresolved issues related to device compatibility.

Lunar

Lunar is a macOS utility that provides adaptive brightness and volume control for external displays, making it ideal for users with multiple monitors. Its automatic adjustments based on ambient light and preferences enhance productivity and comfort.

Lunar automatically adjusts brightness and volume for external displays based on ambient light and user settings.

Pros

  • + Actively developed with strong community support
  • + Effective adaptive brightness and volume control
  • + Seamless integration with macOS

Cons

  • - Niche appeal may limit its user base
  • - Potential learning curve for new users