• instruction_bl_description

    instruction_bl_description

    Blue light is a part of the light spectrum, which according to the latest research studies increases alertness and can affect your natural sleep and awake cycles. Blue light is emitted by many sources including screens on smartphones, tablets, TVs and other electronic devices.
  • instruction_ct_title

    instruction_ct_title

    Color temperature
  • instruction_ct_description

    instruction_ct_description

    Color temperature is a way of measuring the light spectrum. Lower color temperatures are considered better for your sleep. Temperatures above 3500 K are better for working. Blue light belongs to the higher color temperatures.
  • instructions_ct_examples

    instructions_ct_examples

    Below are examples of color temperatures emitted by various light sources:
  • instruction_ct_example_1700

    instruction_ct_example_1700

    1700 KMatch flame
  • instruction_ct_example_1840

    instruction_ct_example_1840

    1840 KCandle flame
  • instruction_ct_example_2000

    instruction_ct_example_2000

    2000 KSunset or sunrise
  • instruction_ct_example_2500

    instruction_ct_example_2500

    2500 K40W classic, incadescent light bulb
  • instruction_ct_example_3000

    instruction_ct_example_3000

    3000 KFluorescent light or halogen
  • instruction_ct_example_3500

    instruction_ct_example_3500

    3500 KSunlight shortly before sunset (golden hour)
  • instruction_ct_example_4100

    instruction_ct_example_4100

    4100 KMoonlight
  • instruction_ct_example_4300

    instruction_ct_example_4300

    4300 KLate afternoon sunlight
  • instruction_af_title

    instruction_af_title

    Advanced features of this app
  • instruction_af_1

    instruction_af_1

    1. Blue light filter with adjustable color temperature and intensity
  • instruction_af_2

    instruction_af_2

    2. Extra screen dimming
  • instruction_af_3

    instruction_af_3

    3. Shake device to switch night mode on or off!
  • instruction_af_4

    instruction_af_4

    4. Keep screen on and lock screen orientation to comfortably browse the Internet from your bed
  • instruction_af_5

    instruction_af_5

    5. Quick Settings Tile easily switches night mode on or off
  • instruction_af_more

    instruction_af_more

    discover more!
  • instruction_af_rate

    instruction_af_rate

    Developing and maintaining this app takes much time. If you like it, please rate it by leaving a positive comment or by purchasing the Pro version.