Apps like SonarPen Calibrate

Here are some great alternatives to SonarPen Calibrate by GreenBulb :
Touchscreen Calibration
Touchscreen Calibration
★4.0
Accelerometer Calibration
Accelerometer Calibration
★4.0
Touchscreen Calibration: Repai
Touchscreen Calibration: Repai
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NoiseCapture
NoiseCapture
★3.7
Touch Screen Test
Touch Screen Test
★3.3
Motorbike Speed
Motorbike Speed
★5.0
ArgyllPRO ColorMeter
ArgyllPRO ColorMeter
★4.2
Vibration Meter
Vibration Meter
★4.4
MusicReader
MusicReader
★3.5
FL STUDIO MOBILE
FL STUDIO MOBILE
★4.1
Stroke Rate Coach
Stroke Rate Coach
★4.8
Phone Settings - All Settings
Phone Settings - All Settings
★4.0
projectM Music Visualizer Pro
projectM Music Visualizer Pro
★4.6
Power Sonic
Power Sonic
★3.4
Pen Wallpaper
Pen Wallpaper
★4.0
Screen Recorder
Screen Recorder
★3.7