Android is not a problem - switching on the setting Unknown Sources in Security Settings will allow you to install any APK file with either adb or by clicking on it either in a File Manager or in the browser downloaded files. With iOS the situation is entirely different - Apple doesn't allow installation of software out of its App Store, except for development and fortunately Enterprise Deployment
. In order to us this however, you will need to register for the iOS Developer Enterprise Program
which costs $299/year. Check the first document - it describes the process in detail.
Let me know if this helps.
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