Red Moon is a
free software
Free software or libre software is computer software distributed under terms that allow users to run the software for any purpose as well as to study, change, and distribute it and any adapted versions. Free software is a matter of liberty, ...
application for the
Android operating system, designed to filter
blue light from the device's display, helping reduce
eye strain
Eye strain, also known as asthenopia (from Greek ''a-sthen-opia'', grc, ἀσθενωπία, ), is a common eye condition that manifests through non-specific symptoms such as fatigue, pain in or around the eyes, blurred vision, headache, and ...
during night-time use and disruption of
sleep patterns. It allows for independent adjustment of
colour temperature
Color temperature is the color of light emitted by an idealized opaque, non-reflective body at a particular temperature measured in kelvins. The color temperature scale is used to categorize the color of light emitted by other light sources ...
,
luminosity
Luminosity is an absolute measure of radiated electromagnetic power (light), the radiant power emitted by a light-emitting object over time. In astronomy, luminosity is the total amount of electromagnetic energy emitted per unit of time by a s ...
and filter level, making it also possible to lower the effective screen brightness below the usual minimum brightness level of the device. Red Moon does not require
root
In vascular plants, the roots are the organs of a plant that are modified to provide anchorage for the plant and take in water and nutrients into the plant body, which allows plants to grow taller and faster. They are most often below the sur ...
.
See also
*
List of free and open-source Android applications
This is a list of notable applications (''apps'') that run on the Android platform which meet guidelines for free software and open-source software.
Advertisement blocking
Web browsers
Office Suites and synchronisation
Com ...
*
Redshift (software)
*
Night Shift (software)
*
Electronic media and sleep
Screen time is the amount of time spent using a device with a screen such as a smartphone, computer, television, or video game console. The concept is under significant research with related concepts in digital media use and mental health. Scre ...
*
Light effects on circadian rhythm
*
Delayed sleep phase disorder
Delayed sleep phase disorder (DSPD), more often known as delayed sleep phase syndrome and also as delayed sleep–wake phase disorder, is a delaying of a person's circadian rhythm (biological clock) compared to those of societal norms. The dis ...
References
External links
Source code* {{F-Droid, com.jmstudios.redmoon, Red Moon
Red Moonat
Google Play
Google Play, also known as the Google Play Store and formerly the Android Market, is a digital distribution service operated and developed by Google. It serves as the official app store for certified devices running on the Android (operating sys ...
Free and open-source Android software
Software using the GPL license