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, no ...
application for the
Android operating system, designed to filter
blue light
Blue Light or Blue light may refer to:
Science and technology
* Portion of the visible spectrum related to the blue color
** Blue laser
** Blue LED
* Cherenkov radiation, the physical phenomenon responsible for the characteristic blue glow in nucl ...
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
Sleep is a sedentary state of mind and body. It is characterized by altered consciousness, relatively inhibited sensory activity, reduced muscle activity and reduced interactions with surroundings. It is distinguished from wakefulness by a d ...
. 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 st ...
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
Co ...
*
Redshift (software)
Redshift is an application that adjusts the computer display's color temperature based upon the time of day. The program is free software, and is intended to reduce eye strain as well as insomnia (see Sleep#Circadian clock and Phase response ...
*
Night Shift (software)
Night Shift is a built in software feature of iOS and macOS. It was introduced in 2016-2017 into iOS in iOS 9.3 and into macOS in macOS Sierra 10.12.4. The feature changes the color temperature of the display towards the warmer part of the color ...
*
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. Scree ...
*
Light effects on circadian rhythm
Light effects on circadian rhythm are the effects that light has on circadian rhythm.
Most animals and other organisms have "built-in clocks" in their brains that regulate the timing of biological processes and daily behavior. These "clocks" are ...
*
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 diso ...
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