USB OTG Checker Pro is one of the best android usb otg checker application that comes with awesome features like "One Click To check".
USB OTG Checker lets you to check the otg compabiltiy of your smart device.
OTG Checker or USB on the go makes it easier to test whether your phone is compatible with USB OTG devices or not.

Without Rooting your Android Phone or Tablet you can quickly and effectively check and verify your Android device system USB OTG capabilities by USB OTG Checker.
If your device can support USB OTG that means your device can be used to connect to standard USB input devices such as keyboard external storage and etc.

Speciality:
1) No disruptive ads.
2) No unwanted permissions.
2) One can easily test his/her smartphones otg compatibility without wasting the money of a USB OTG Cable connector.