Brisync for Mac

Automatic display brightness for macOS

Brisync is a free macOS app that automatically adjusts the brightness of external monitors. It reacts to ambient light and modifies display luminance so screens remain comfortable to view throughout the day, helping lower eye fatigue and improving the overall viewing experience.

How it operates

Brisync monitors environmental light levels and applies brightness changes without requiring user intervention. After you choose your preferred brightness ranges and behavior, the utility keeps external displays in sync with current conditions, removing the need to tweak settings manually.

Key benefits

Simplifies managing multiple monitors by keeping their brightness consistent and predictable.
Reduces eye strain through gradual, context-aware adjustments.
Offers an approachable interface so both professionals and casual users can configure settings quickly.

Quick-start guidance

Install Brisync and open its preferences.
Define target brightness levels or profiles for different lighting situations.
Let the app run in the background; it will handle automatic adjustments.

Recommended substitute

If you’re exploring alternatives, Zappy (free) is a popular option. It integrates cleanly with macOS and can serve as a reliable replacement for users looking for a similar set of features.

Why use it for work and play

Whether you’re editing documents, designing, or watching movies, Brisync keeps display brightness appropriate for your surroundings so content remains clear and comfortable without constant manual changes.