Apps like Greyscale

Here are some great alternatives to Greyscale by Yufz :
SystemUI Tuner
SystemUI Tuner
★3.7
SecondScreen
SecondScreen
★4.2
Gray-Switch (Grayscale)
Gray-Switch (Grayscale)
★3.8
Automatic Dark Theme for Andro
Automatic Dark Theme for Andro
★4.3
Redmi Note 2 Tool
Redmi Note 2 Tool
★4.9
Wear brightness control
Wear brightness control
★3.8
Ultra White Screen
Ultra White Screen
★4.8
Droid48
Droid48
★4.8
Super Dim
Super Dim
★4.2
Amoled
Amoled
★4.6
NotifyEdge - Edge Lighting
NotifyEdge - Edge Lighting
★4.1
NotifyBuddy - Notification LED
NotifyBuddy - Notification LED
★3.8
Blackr: OLED Screen Off
Blackr: OLED Screen Off
★4.4
Pix-Minimal Black/White Icons
Pix-Minimal Black/White Icons
★4.7
Basic Black Theme for Smart La
Basic Black Theme for Smart La
★4.3
CF.lumen
CF.lumen
★4.0