SystemPanel does not collect any information about you or your usage of the app. It does not send any information about you to anyone. It will never install additional products on your device or change your device's configuration.
SystemPanel does contains ads in its free version. You can pay for the plus version and the ads go away. Ads are provided by Google's AdMob service.
SystemPanel is designed to tell you everything it can about your device and what it is doing. As such, it asks for a large number of permissions. The information that SystemPanel gathers about your device is displayed ONLY to you, on the device. It is not sent over the Internet to NextApp or any third-party.
NextApp is a US Corporation (California). This product was developed in the United States.