One-time purchase
FocusRail — Reading Ruler Pro
Pay once for lifetime access. No recurring subscription.
Lifetime license
US$4.99 one-time
Glow underline, focus window, and color-mask styles
Custom ruler colors
Per-site presets
Custom in-page keyboard shortcuts
Exact-host and wildcard exclusion list
Up to three device activations
When available, secure checkout and license delivery are handled by Dodo Payments.