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DisplayBuddy vs Win10_BrightnessSlider: catalog facts
DisplayBuddy	Win10_BrightnessSlider

Best for: Mac or Windows users with external monitors they want to adjust without the hardware buttons	Best for: Laptop users on Windows who change screen brightness often
Paid Paid app with a 7-day refund on full-price purchases; also available through Setapp.	Free Free to use.
Windows, macOS	Windows
Controls brightness, contrast, volume and input over DDC Handles several displays from one menu Presets switch a whole monitor setup at once Works with monitors from most major brands	One-click brightness control from the tray Small and focused on a single task Still receiving commits in 2026
Paid, with no free tier mentioned Depends on the monitor supporting DDC control	Windows only External monitors may need DDC/CI enabled License is not a standard open-source license
Downloadable app	Downloadable app
Not open source	Not open source
License not stated	License: Freeware
Not stated if an account is needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for DisplayBuddy displaybuddy.app Catalog checked October 1, 2026	Official website Full listing and sources Sources for Win10_BrightnessSlider github.com/blackholeearth/Win10_BrightnessSlider Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.