A timed session on your Mac
Choose a full-screen red session, with a timer and an easy exit. Morning Red and Low Light are built in.
A Mac app for the display you already own
Take a timed full-screen red session, or keep working with a live red filter. Morning Red and Low Light are built in. Press Escape to end a session.
Mac beta not yet available. Get launch updates. Free to start; no account required.
Outcomes first
Choose a full-screen red session, with a timer and an easy exit. Morning Red and Low Light are built in.
Use ⌥⌘R to toggle a live red filter while keeping your desktop usable.
A Mac display is not a dedicated panel. Its calculated output is not a measured panel dose. Explore the science.
Two ways
Start a 15-minute full-screen red session, or choose Morning Red or the 30-minute Low Light session. The soft-grid appearance is for wellness and ambiance, not treatment. Press Escape to exit. See how sessions work.
Keep your desktop usable while its colors are remapped to red. Toggle the filter with Option-Command-R. Option-Command-Period restores colors and ends a running session.
Straight answers
Display P3 red’s published dominant wavelength is about 614.9 nm, a color description rather than a measured emission peak. The app does not provide 660 nm LED or 850 nm near-infrared output.
No. This is a timed red-light session and wellness utility. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease. People search the category as red light therapy. Clinical benefits have not been established for this app.
A laptop is not a dedicated panel. Calculated output is about 0.2–0.3 mW/cm² at the glass. Choose it for timed sessions and a desktop red filter on hardware you already own — not as a substitute for a measured panel dose.
Pricing
$0
$9.99
Red light sessions on your Mac. Fifteen minutes, or a live filter. Get notified when the Mac beta opens.
Works on macOS 14+. Not a medical device.