Darker (Screen Filter)

Installs

2.7m

Rating

4.4

Rating count

21.6k

Category	Health & Fitness
Developer	黃柏翔
Price	Free
First release	10/19/2013 (12 years ago)
Version	VARY
In-app purchases	No
Contains ads	No
Content rating	Rated for 3+
Package name	com.mlhg.screenfilter

View on Play Store

Core Metrics

Data Breakdown

Date	Rating Count	Average Rating	Installs	Version
8/9/2025	21,649	4.396	2,740,310	VARY
5/21/2025	21,531	4.410	2,694,185	N/A
5/20/2025	21,525	4.410	2,694,185	N/A
5/19/2025	21,524	4.410	2,693,776	N/A

Details

Darker can lower your screen brightness to extremely low levels, to help prevent eyestrain during the night. Use the built-in color filter* to adjust the color of your display, perfect for filtering out harsh white backgrounds during the night.

This app is fully functional and does not include advertisements. Additional paid features are unlockable through an In-app purchase.

Xiaomi device / MIUI users need to go to Settings → Installed apps → Darker → Other permissions, and enable "Display pop-up window" for Darker to work correctly.

Paid features include:

» Auto-On & Auto-Off
» Start at boot
» Lower brightness below 20%
» Darken navigation bar
» Custom filter colors
» Root mode
» Customizable notification buttons
       • Up to three buttons can be added for quick access.
       • Buttons to increase and decrease the brightness (+5%, -5%, +10%, -10%)
       • Buttons to set a specific brightness (@0%, @10%, @20%, ... , @90%, @100%)
       • Quick toggles (stop, pause, reset, color filter)

Note: When manually installing APK files, Android blocks the "Install" button from being pressed when Darker is running. This is NOT a bug. It's a protective measure to prevent malicious apps from camouflaging the install button. Pausing Darker will solve this.

Darker requires the use of accessibility services to darken the screen, no data will be accessed or shared via the AccessibilityService API.

*The color filter is similar to how the desktop version of f.lux works. Selecting a redder color will reduce more bluelight emitted from the display.

Tasker Support
Darker has Tasker support, use these intents to send commands to Darker:

darker.STOP
darker.PAUSE
darker.INCREASE_5
darker.INCREASE_10
darker.DECREASE_5
darker.DECREASE_10
darker.SET_10
darker.SET_20
darker.SET_30
darker.SET_40
darker.SET_50
darker.SET_60
darker.SET_70
darker.SET_80
darker.SET_90
darker.SET_100
darker.TOGGLE_COLOR
darker.ENABLE_COLOR
darker.DISABLE_COLOR

Add the above intents to Tasker by going to Action Category→System→Send Intent→Action, leave the other fields default, and note that the intents are case sensitive.

These two intents below need an additional parameter in the "Extra" field

darker.SETCOLOR     "Extra" field: COLOR:1~16 (Colors are numbered left to right, top to bottom)
darker.COLORSTRENGTH     "Extra" field: STRENGTH:1~10

The intent below needs the "Target" field set to "Service"

darker.START

FlickStart Support
Darker can work in conjunction with FlickStart, an app which can send commands to Darker by using the sensors on your phone or Android Wear device.

The command set for Darker is available for download on the FlickStart website. Simply download the command set and import it into FlickStart.

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