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DisplayBuddy 3.9.4

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DisplayBuddy 3.9.4
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DisplayBuddy is a native Mac menu bar utility that controls external monitor brightness, contrast, volume, and more via DDC/CI, with support for Presets, Schedules, Samsung and LG smart monitor integration, and deep macOS Shortcuts automation. Sold as a lifetime license with free updates for life, it currently requires macOS 12 or later and runs natively on Apple Silicon.

Features

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DisplayBuddy 3.9.4 Overview

DisplayBuddy is a native macOS utility that lets users directly control the brightness, contrast, and volume of external monitors from software, without touching a monitor's often clunky physical buttons. Sold as a lifetime license with free updates (including major versions like DisplayBuddy 2 and 3) and a 7-day refund policy on full-price purchases, DisplayBuddy currently requires macOS 12 or later and runs natively on Apple Silicon. A note on versioning: the official release notes page documents version 3.9.1 (June 28, 2026) followed directly by 3.9.5 (August 28, 2026, adding color profile and macOS Display Preset support), with no separately documented 3.9.4 entry — the download page has listed 3.9.4 as the current Mac build, so this may reflect a minor, undocumented point release between those two versions. What sets DisplayBuddy apart from adjusting a monitor's on-screen menu manually is its use of the DDC/CI protocol to control real hardware settings directly from the Mac menu bar, extensively tested across monitors from LG, Dell, Acer, BenQ, and other major manufacturers, alongside deeper integrations for Samsung Smart Monitors and LG MyView smart displays over Wi-Fi. Beyond basic brightness and volume sliders, DisplayBuddy supports Presets that save an entire multi-monitor configuration — resolution, rotation, input source, brightness, contrast, sync, HDR, True Tone, Night Shift, and even display arrangement — for one-click restoration, and Schedules that automatically activate those presets based on triggers like sunrise/sunset, specific times, charger status, or Dark Mode. A full command-line interface and MCP server (introduced in version 3.3) let power users and AI agents control displays programmatically, and deep macOS Shortcuts integration allows brightness and preset changes to be triggered by Spotlight or Siri.

Key Features

DDC/CI Display Control Directly controls brightness, contrast, and volume on compatible external monitors using the DDC/CI protocol, extensively tested across monitors from LG, Dell, Acer, BenQ, and other major manufacturers. Presets Saves an entire display configuration — resolution, rotation, input source, brightness, contrast, volume, sync, HDR, True Tone, Night Shift, color profile, and display arrangement — for instant one-click restoration. Schedules Automatically activates a saved Preset based on triggers such as sunrise/sunset, a specific time of day, charger connection status, Dark Mode, or when DisplayBuddy itself launches. Samsung & LG Smart Monitor Control Controls real volume, power, input source, brightness, and contrast on Samsung Smart Monitors (including the M5, M7, M8, and ViewFinity S9) and LG MyView Smart monitors and TVs running webOS over Wi-Fi, including a full remote control within the app. UltraBright Unlocks a MacBook screen's full peak brightness (up to 1600 nits on supported models) and extends support to the Apple Studio Display XDR. Command Line Interface & MCP Server Includes a full command-line interface for controlling DisplayBuddy features from Terminal, plus an MCP server that allows AI agents to control connected monitors directly. Deep macOS Shortcuts & Control Center Integration Fully integrates with the macOS Shortcuts app, Spotlight, and Siri for automating display settings, and lets users activate Presets or toggle Schedules directly from macOS Control Center. HDR, True Tone & Night Shift Control Controls True Tone, Night Shift, and Dark Mode across all connected displays, and can toggle HDR on displays that support high dynamic range on macOS. Multi-Language Support Available in numerous languages including French, Spanish, German, Chinese (Traditional and Simplified), Czech, Hungarian, Dutch, Romanian, Russian, Swedish, and Thai.

Programs Details

Release Date2026-08-18
File Size15.7 MB
Version3.9.4
DeveloperDisplayBuddy
PublisherDisplayBuddy
LanguagesEnglish

System Requirements

Minimum
OSmacOS
ProcessorApple Silicon
GPUIntegrated
Recommended
OSmacOS
ProcessorApple Silicon
GPUIntegrated

How to Use DisplayBuddy 3.9.4

Launch the app; it will appear in your Mac's menu bar with individual sections for each connected display. Use the brightness, contrast, and volume sliders for each display, or assign keyboard shortcuts for quick brightness adjustments. Create a Preset by configuring your desired settings across all displays, then saving that configuration for one-click recall. Set up a Schedule to automatically activate a Preset based on time of day, sunrise/sunset, charger status, or Dark Mode. If you own a Samsung Smart Monitor or LG MyView display, connect it over Wi-Fi for full remote control from within DisplayBuddy. Explore Preferences > Keyboard Shortcuts to set up custom shortcuts for switching inputs or toggling displays on individual monitors. For automation, use the DisplayBuddy CLI from Terminal, or set up macOS Shortcuts to trigger display changes via Spotlight or Siri.

Frequently Asked Questions