Free
$0
- 15-minute full-screen session
- Live desktop red filter (⌥⌘R)
- Study-versus-display readout
- A timer
- One display
Pricing
Free to try. Pro is $9.99 once.
The session and the filter are free on one display. Pay once if you want the rest of the Mac.
Pro
$9.99
- Display Boost uses the HDR headroom of XDR displays (MacBook Pro 14/16 Liquid Retina XDR, Pro Display XDR). On other displays it has no effect and is hidden.
- Multi-display and Display Wall
- Red filter on every display
- Custom colors
- Saved routines and history
- Display profiling
No subscription. There is not enough recurring service cost to justify one yet.
Works on macOS 14+. Pro is a one-time in-app purchase processed by Apple.