Apps like Shielderfy

Here are some great alternatives to Shielderfy by Red Circle Tools :
OptiClean: Phone Optimizer
OptiClean: Phone Optimizer
★4.6
Screen Dimmer — Reduce flicker
Screen Dimmer — Reduce flicker
★4.6
Screen & Display Calibration
Screen & Display Calibration
★3.9
Cyber Cleaner
Cyber Cleaner
★4.1
Dark Screen (Lower brightness)
Dark Screen (Lower brightness)
★3.3
Auto Screen Brightness & Color
Auto Screen Brightness & Color
★3.6
Blue Light & Brightness Filter
Blue Light & Brightness Filter
★3.9
Screen Brightness Control
Screen Brightness Control
★4.2
Full Screen Color Light
Full Screen Color Light
★3.9
Screen Balance
Screen Balance
★3.5
Brightness Control & Dimmer
Brightness Control & Dimmer
★3.6
NeonCleaner Secure App Manager
NeonCleaner Secure App Manager
★4.7
Screen Filter -Bluelight Block
Screen Filter -Bluelight Block
★3.7
Keep Screen Always On Caffeine
Keep Screen Always On Caffeine
★4.4
Screen Filter, Eye Protector
Screen Filter, Eye Protector
★4.4
Fox Cleaner
Fox Cleaner
★4.0