LumiMax

XDR Brightness Boost

Only for Mac

Free · In‑App Purchases

Mac

LumiMax lets you push your Mac's XDR display beyond its standard brightness limit, reaching up to 1600 nits. Perfect for: • Working in bright sunlight or outdoors • HDR content creation and color grading • Matching brightness with external reference monitors Features: • XDR Boost up to 200% (1600 nits) on built-in displays • Support for Pro Display XDR and LG UltraFine • Per-display boost control • Auto-off on low battery • Auto-off timer • Battery-aware mode Try free for 3 days, then unlock unlimited access with a one-time purchase. Requires Mac with XDR display (MacBook Pro 14"/16" or Pro Display XDR or LG UltraFine).

Ratings & Reviews

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• Added a first-launch guide. • Added a What’s New popup after updates. • Updated the top logo on the main screen to use the real app icon. • Improved supported display detection and brightness behavior stability. • Refined overall UI details and usability.

Version 1.5.0

The developer, Joowon Lee, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Joowon Lee
    Size
    8.1 MB
    Category
    Utilities
    Compatibility
    Requires macOS 13.0 or later.
    • Mac
      Requires macOS 13.0 or later.
    Languages
    English and 6 more
    • English, French, German, Japanese, Korean, Simplified Chinese, Spanish
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 RamterStudio
  • Developer Website
  • Privacy Policy

    • More by Joowon Lee