Twilight vs f.lux Comparison
Compare features to find which solution is best for your needs.

Twilight
Twilight is an Android application designed to mitigate the potential negative effects of blue light emitted from device screens, particularly during evening hours. By applying a customizable red filter, it helps reduce eye strain and promotes better sleep patterns by aligning screen color temperature with natural light cycles.

f.lux
f.lux is a cross-platform application designed to reduce eye strain and improve sleep patterns by automatically adjusting the color temperature of your display based on your location and time of day. It gradually transitions the screen color from bright daytime tones to warmer, dimmer tones as the evening progresses. by f.lux Software LLC
Summary
Twilight and f.lux are both powerful solutions in their space. Twilight offers twilight is an android application designed to mitigate the potential negative effects of blue light emitted from device screens, particularly during evening hours. by applying a customizable red filter, it helps reduce eye strain and promotes better sleep patterns by aligning screen color temperature with natural light cycles., while f.lux provides f.lux is a cross-platform application designed to reduce eye strain and improve sleep patterns by automatically adjusting the color temperature of your display based on your location and time of day. it gradually transitions the screen color from bright daytime tones to warmer, dimmer tones as the evening progresses.. Compare their features and pricing to find the best match for your needs.
Pros & Cons Comparison

Twilight
Pros
- Effectively filters blue light to reduce eye strain.
- Automatic scheduling based on sunrise/sunset is convenient.
- Highly customizable filter intensity and color.
- App exclusion feature prevents conflicts.
- Manual brightness control for extremely dim environments.
Cons
- Screen overlay can occasionally interfere with some installations/UI elements.
- User interface could be visually updated.

f.lux
Pros
- Significantly reduces eye strain from blue light.
- Helps improve sleep quality by aligning with circadian rhythms.
- Automatic operation based on location and time.
- Lightweight and runs in the background.
- Supports multiple monitors.
- Customizable settings for individual preferences.
Cons
- Requires temporary disabling for color-sensitive work.
- Initial adjustment to warmer colors may be needed.