The app filters the blue spectrum on your phone or tablet after sunset and protects your eyes with a red filter. The filter intensity is smoothly adjusted to the sun cycle based on your local sunset and sunrise times.
f.lux Alternatives Filtered by 'blue-glow'
The best alternative to f.lux is Twilight, which is free. If that doesn't work for you, our users have ranked more than 50 alternatives to f.lux, but unfortunately only two of them are.
filter to find the best alternatives
f.lux alternatives are mainly Color Temperature Tools Other popular filters include Linux, Android, Windows, Screen Dimmer and Mac. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to f.lux.
Alternatives list
42 Twilight alternatives
Enjoy free cross-platform blue light reduction and PWM flicker-free brightness control with Iris mini. Minimalistic design, portable, and automatic for no-hassle, eyestrain-relief across all devices. Simply double-click to activate, perfect for every lighting condition.
Iris mini vs f.lux Comments
- Iris mini is Freemium and Proprietary
Bulgaria
EU
Very minimalistic and lightweight. Doesn't affect games (i.e. microstuttering) the way f.lux does (if you set it to Paused mode).