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Lunar vs Candela: catalog facts
Lunar	Candela
Freemium Core features are free; Lunar Pro is a $23 lifetime license with a 14-day trial.	Free Free and open source under the MIT license, with no paid tier.
macOS	macOS
Changes real monitor brightness over DDC rather than using an overlay Native smooth control of Apple-made displays	Tracks local display exposure and checkup history Can dim static bright regions on OLED panels
macOS only, version 11 or newer for the current release Some features require the paid Pro license	Requires macOS 14 or later and Apple Silicon Some docks and adapters block display controls
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.