Apps like Monochrome

Here are some great alternatives to Monochrome by techno_neko :
Monochrome Color Photo Effects
Monochrome Color Photo Effects
★3.4
Black and White Photo
Black and White Photo
★4.5
MIX by Camera360
MIX by Camera360
★4.0
Black and White Camera
Black and White Camera
★3.5
Black and White Camera PRO
Black and White Camera PRO
★4.8
Black and White Camera
Black and White Camera
★4.0
Colour Wheel App
Colour Wheel App
★4.1
Colorize old photos
Colorize old photos
★4.7
Sepia / Monochrome Photo
Sepia / Monochrome Photo
★4.7
Photo Curves - Color Grading
Photo Curves - Color Grading
★4.2
Real Color Mixer
Real Color Mixer
★4.0
Color Changer Pro [root]
Color Changer Pro [root]
★4.6
Color Changer Lite [root]
Color Changer Lite [root]
★4.0
Toolwiz Photos - Pro Editor
Toolwiz Photos - Pro Editor
★4.3
RGB - Hex
RGB - Hex
★4.2
Hexify – RGB to Hex to RGB
Hexify – RGB to Hex to RGB
★4.0