The Apple has a security feature in iOS. When installing an Enterprise application (not from App Store) on iOS, the device shows a prompt that the Developer is untrusted. This new security feature does not allow any application, distributed through Enterprise Developer account, to run until allowed by the user.
Follow the below steps to include KAppStore in trusted applications on iOS and make it accessible on your device.
Step 1: Go to Settings screen and select General menu.
Step 2: Open Profiles & Device Management. Now select Komatsu Ltd.
Step 3: Tap on Trust "Komatsu Ltd."
Step 4: A message asks for confirmation. Press Trust.
